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陜西省延安中學2013屆高三上學期11月地理試題
第I卷（共44分)
一、選擇題(在每小題給出的四個選項中，只有一項是符合題目要求的。每小題4分，共44分。)
2004年10月，中國超級雜交稻第三期目標現場實測結果表明：稻谷結實率達95％以上，每畝高產847公斤，并篩選出適合華南地區種植的兩個中國新型香米新品種。這一結果標志著中國超級雜交稻育種研究繼續領跑世界。回答1～2題。
1．水稻種植業的區位因素最主要的是
A．地形　　?????? B．氣候　????? 　C．土壤　??????? 　D．農業技術
2．從材料的分析可知，我國推廣超級高產雜交水稻的重要意義是
A．提高糧食總產量　　????????????? B．提高糧食單位面積產量
C．發展農業技術　　　????????????? D．提高我國農業的國際地位
3．右圖中陰影所表示的農業區域屬于（??? ）?
A．種植園農業??????? B．商品谷物農業?
C．大牧場放牧農業??? D．混合農業
右圖是鐵路、水運、公路、管道四種運輸方式的示意圖，回答4～ 6題。
4．表示管道運輸方式的是
A．X?　 B．Y?　 C．Z 　 D．W
5．宜采用鐵路運輸的距離區間是
A．①　 B．②　 C．③　 D．④
6．在各種交通運輸方式中，承擔其他運輸方式 之間的周轉和聯系的運輸方式是
A．鐵路運輸?????B．公路運輸??
?C．水路運輸 ?D．管道運輸
影響工業區位的因素很多，不同工業部門具有不同的區位指向。回答7～8題。
7.區位宜接近原料產地的是
A、葡萄酒廠、羊毛加工廠、水果罐頭廠
B、服裝加工廠、羊毛加工廠、水果罐頭廠
C、造船廠、飛機制造廠、電子裝配廠
D、鋼鐵廠、時裝加工廠、家具廠
8.啤酒廠、家具廠、面包加工廠的區位屬于
A、原材料指向型 B、技術指向型
C、勞動力指向型 D、市場指向型
9．小米手機的零部件從世界各地采購的原因不包括
A．零部件運量小? ? B．采購價格低?? C．發揮各地區優勢???D．現代化的交通
10．小米手機在各地的銷售采取“前店后廠”的模式，即后面是組裝工廠，前面是銷售店鋪。這種銷售模式的主導因素是
A．勞動力　　 ?B．原料? C．市場　　? ? D．技術
聯合國氣候變化框架公約《京都議定書》一直未取得實質性進展，而美國布什政府卻宣布將不執行《京都議定書》，這將使得《京都議定書》成為一紙空文，所以引起了國際社會的震驚和一致譴責。完成11題：?
11．《京都議定書》要解決的問題是
A．酸雨?　　　　　　　　? B．氟氯烴等溫室氣體的排放量?
C．二氧化碳的排放量?　　　D．臭氧層破壞?
第Ⅱ卷非選擇題　（共56分）
二、綜合題（共56分）
(1)該地將建焦化廠、鋼鐵廠、發電廠和水泥廠，請把四個工廠填入右圖空白處。
(2)該地主導工業部門是________工業。
(3)下列四廠中，與該主要工業聯系密切的是
A.重型機械廠B.精密儀表廠??C.造船廠D.純堿廠
(4)從當地農業需要和綜合利用資源方面考慮，該地還將建氮肥廠，其原料供應的有利條件有___ _____。
(5)為了充分利用當地資源，該地還可建立輕工業有________、________等。
13.讀下圖，回答問題。
(1)將下列農產品的名稱，按圖中字母所示的產地填入后面的空格內。
乳制品、小麥、水稻、牛肉、天然橡膠、玉米
A________，B________，C________，D________，E________，F________。
(2)圖中人口密集，人地矛盾突出的地區是________(填字母)，該地主要的農業地域類型為________；牧牛業占重要地位的是_______地區。
(3)C、D、E三地區都可以大規模進行商品性生產的共同條件有________和________。
(4)F地氣候的重要特征是________，適宜________的生長，________、 和________是影響該地乳畜業生產的兩個重要因素。
(5)D、E兩地的農業生產對我國畜牧業的發展有什么借鑒意義？

第Ⅱ卷（非選擇題　共56分）
12.（共20分）（1）（每空2分，共8分）
(2) ______ __工業。（2分）
(3) （2分）
(4)從當地農業需要和綜合利用資源方面考慮，該地還將建氮肥廠，其原料供應的有利條件有 _ ____。（4分）
(5) _ _______、__ ______等（4分）
13（共36分）(1)（每空1分，共6分）
A___ _____，B___ _____，C____ ____，D_____ ___，E__ ______，F__ ______。
(2) ________(填字母)，該地主要的農業地域類型為____ ____；牧牛業占重要地位的是_______(填字母)地區。（每空2分，共6分）
(3) ____ ____和__ ______。（4分）
(4)F地氣候的重要特征是___ _____，適宜_____ ___的生長，
____ ____、 和____ ____是影響該地乳畜業生產的兩個重要因素。（10分）
(5)D、E兩地的農業生產對我國畜牧業的發展有什么借鑒意義？（10分）
陜西省延安中學2013屆高三上學期11月政治試題
考生注意：本試題分第I卷和第II卷，共6頁，2道大題，滿分100分，考試時間為60分鐘。
第I卷（共48分）
一、選擇題（本大題共12小題，每小題4分，共48分，）
1. 中國人民銀行外匯牌價顯示：2011年9月15日，人民幣對美元匯率中間價為6.387元.2011年9月16日，人民幣對美元匯率中間價為6.3797元，較上一個交易日升值81個基點，創匯改以來新高。這一變化表明 （ ）
A．人民幣匯率升高，美元升值 B．美元匯率跌落，人民幣升值
C．美元匯率升高，人民幣貶值 D．人民幣匯率跌落，美元貶值
2．下列措施屬于積極的財政政策的是 （ ）
①增發長期建設國債1000億元 ②降低銀行基準利率，擴大信貸投資規模
③增加稅收和經濟建設支出 ④實施家電下鄉補貼政策
A．①② B．②③ C．①④ D．③④
3.中國人民銀行決定，自2012年7月6日起下調存款類金融機構人民幣存貸款基準利率，一年期存款利率下調0.25個百分點，消息一出，中國A股市場投資者人心振奮，股票指數一度創出年內新高。對此兩種現象內在關聯理解正確的是 （ ）
①社會資本從銀行流入股市的預期增加，刺激了投資者對股票的需求
②居民普遍取出存款改投股市，改變了股票市場的總體供求關系
③上市企業還貸壓力減輕，利潤預期增加導致其每股預期收益增加
④釋放貨幣流動性，刺激經濟增長，提升投資者對宏觀經濟的信心
A．①②④ B．①②③ C．①③④ D．②③④
4.2012年8月2日，中國政府網發布《國務院關于批準交通運輸部等部門重大節假日免收小型客車通行費實施方案的通知》。今后國務院辦公廳確定的法定節假日，全國收費公路小型客車可以免費通行，隨后的中秋國慶8天假期就為老百姓節約了逾200億通行費。這一政策帶來的經濟影響是 （ ）
①勢必造成公路大面積交通擁堵 ②導致國家財政總收入大量流失
③刺激消費，帶動相關產業發展 ④拉動內需，滿足群眾出行需求
A.①②　 　 B.①④　 　C.②③　 　D.③④
5．“親，你大學本科畢業了不？辦公軟件使用熟練不？英語交流順溜不？駕照有木有？”今年8月初，外交部政務微博平臺外交小靈通（微博）發布的這條“淘寶體”招聘信息令網民至今印象深刻。當越來越多的草根進駐微博，看新聞、查信息、交朋友、談看法的時候，大量的政府機構、政府官員亦紛紛入駐微博。政府通過微博等新媒體平臺為公眾提供服務 （ ）
① 實現了即時有效的信息發布，增強了政府工作的透明度
② 創新了民主制度，保證了人們行使民主管理權力
③ 擴大了公民的政治權力，豐富了民主形式
④政府機構、官員和民眾互動的新平臺，拓寬了民主渠道
A. ①③ B. ②④ C. ②③ D. ①④
6. 全國人大常委會表決通過修訂后的《中華人民共和國保守國家秘密法》。此次修訂縮小了國家秘密范圍，提高了保密的規范性、科學性和準確性，有力的保障國家信息安全。維護國家安全、榮譽和利益 （ ）
①是公民參與管理國家和管理社會的基礎和標志 ②是公民履行義務的重要方式
③是我國順利進行社會主義現代化建設的根本保證④是公民愛國主義精神的具體表現
A．②③ B．③④ C． ②④ D．①③
7. 經濟職能是我國各級政府的一項重要職能，下面各項行為與經濟職能的對應正確的是
①天津市嚴厲打擊普通食鹽斷檔脫銷、擅自提高鹽價等價格違法行為 （ ）
②國家統計局公布2012年6月份CPI和PPI兩個經濟數據
③濰坊市采用科學的方法管理小商小販，給小商小販留足生存空間
④中國人民銀行決定，自2012年7月6日起下調金融機構人民幣存貸款基準利率
A.①公共服務 ②經濟調節 ③市場監管 ④社會管理
B.①市場監管 ②經濟調節 ③社會管理 ④公共服務
C.①公共服務 ②社會管理 ③市場監管 ④經濟調節
D.①市場監管 ②公共服務 ③社會管理 ④經濟調節
8．我國新設立的三沙市將管轄西沙、中沙、南沙群島的島礁及其海域，海域范圍將逾200萬平方公里，接近全國陸地面積（960萬平方公里）的四分之一。三沙市的設立，邁開了以行政治理宣示國家主權的新路徑，備受世人關注。這啟示我們 （ ）
①和平解決領土主權爭議是我國應盡的國際義務
②充分行使管轄權，才能維護國家海洋權益
③切實履行管理職能，將法定的南海主權落到實處
④維護國家主權是我國外交政策的宗旨
A．①③ B．②④ C．②③ D．③④
9．哲學的性質決定了它是“事后諸葛亮”；但它一旦產生又可以成為社會變革的先導，成為“事前諸葛亮”。哲學要成為“事前和事后諸葛亮”，就必須 （ ）
①正確地反映自然、社會和人生的變化與發展
②在具體知識的基礎上進行概括、總結和升華
③如實反映時代的客觀要求和歷史趨勢
④反映一定社會和時代的經濟和政治
A．①② B．①③ C．②④ D．③④
10.諾貝爾獎項中，終于有了中國本土的作家出現在獲獎名單中。瑞典皇家科學院諾貝爾獎評審委員會11日宣布，中國作家莫言獲得2012年諾貝爾文學獎。委員會表示，莫言“將魔幻現實主義與民間故事、歷史與當代社會融合在一起”。 各個媒體紛紛報道，莫言的書籍一時成為全球最暢銷的書籍，全球出現了“莫言熱”。然而作家莫言卻很淡定、很低調。莫言說：“自己不要把這個當成一件了不起的驚天動地的大事，不要把這個看得太重” 。“莫言熱”與莫言的淡定反映了 （ ）
①人們對客觀事物的主觀映象不同 ②人們對客觀事物的認識總要受主觀條件的限制
③客觀對象不同，解決問題的方法不同 ④改造客觀世界與改造主觀世界的不同
A．①② B．①④ C．②③ D．②④
11．《莊子．刻意》中說：“吹呴呼吸，吐故納新。”成語“吐故納新”由此而來。這個成語包含的哲理是： （ ）
A．新事物在曲折中前進的原理 B．量變與質變的關系原理
C．對立統一的原理 D．辯證否定的原理
12. 有體育常識的人都知道，無論賽跑還是賽車，在直道上是很難甩開對手的，只有在跑道的彎道區，才容易超越對手。這啟示我們 （ ）
A. 做好量的準備為質變創造條件 B. 發展要經過從量變到質變的趨勢
C. 抓住時機促成事物的質變與發展 D. 實現了質變就能推動事物的發展
第II卷非選擇題（共52分）
二、非選擇題（共2道大題，共52分）
13．（26分）蘋果成就了喬布斯。喬布斯一手締造了蘋果的商業傳奇。喬布斯為世人留存了巨大的精神財富和啟示。閱讀材料，回答問題。
材料一 1997年，蘋果公司已經虧損9億多美元，幾近破產邊緣，喬布斯重返蘋果公司，對公司進行了整頓并采取了一系列措施。將公司經營定位為產品至上、追求完美。逐一評估蘋果公司項目，保留了傾向于消費者市場的最優秀和能盈利的10個產品。注重產品使用的便利性的和愉悅感，讓簡潔成為所有蘋果產品的通用語言。早于競爭對手和電子元件制造商簽訂供貸協議，以更低的價格拿到原材料。設立全球的體驗店，提供豐富的軟件下載服務。正是憑借喬布斯的諸多創新之舉，引領蘋果公司近年來在全球IT業突飛猛進，現在，蘋果市值已躍居全球公司之首。
材料二 目前我國每年的創業新增人數不到5％，遠低于世界平均水平。喬布斯的離去引發大家對“下一個蘋果，能否砸中中國創業者”話題的思考。調查顯示，創業艱難的不光是融資難、貸款難，知識、技能和信息的缺乏也是很大困難；從注冊一家公司到開業平均所必經的審批步驟，中國內地需要111天，過7道關；對養老、醫療等方面的顧慮和擔憂，創業者背負了不少的精神壓力；侵犯知識產權現象時有發生，也妨害創業的積極性。
（1）結合材料一和所學的《經濟生活》知識，概括喬布斯引領蘋果公司取得成功的原因。（寫出任意三點，可得滿分）（14分）
（2）結合材料二，運用《政治生活》相關知識，說明我國政府應如何營造良好的創業環境。（12分）
14．（26分）閱讀材料，回答下列問題。
材料一:改革開放30年來，我國經濟社會事業發展取得巨大成就，為了讓人民群眾在改革發展中享受到實惠，十七大報告指出，要讓改革發展的成果惠及全體人民。
材料二 2012年“中央一號文件”在承繼以往“三農”政策的基礎上，把科技定位于實現農業持續穩定發展的根本出路。提出農業科技創新方向上要著眼長遠發展，超前部署農業前沿技術和基礎研究，力爭在世界農業科技前沿領域占重要位置；要面向產業需求，著力突破重大關鍵技術和共性技術，切實解決科技與經濟脫節的問題；推動產學研、農科教相結合，完善農業科技創新機制；提升農技推廣能力，加快培養農業科技人才和農村實用人才。
（1）結合材料一，運用政治常識的有關知識說明為什么要讓改革發展的成果惠及全體人民。（12分）
（2）結合材料二 ，說明“中央一號文件”對農業科技創新的部署是如何運用辯證思維方法的。（14分）
二、非選擇題（共2道大題，共52分）
13.（1）結合材料一和所學的《經濟生活》知識，概括喬布斯引領蘋果公司取得成功的原因。（寫出任意三點，可得滿分）（14分）
（2）結合材料二，運用《政治生活》相關知識，說明我國政府應如何營造良好的創業環境。（12分）
14 .（1）結合材料一，運用政治常識的有關知識說明為什么要讓改革發展的成果惠及全體人民。（12分）
（2）結合材料二 ，說明“中央一號文件”對農業科技創新的部署是如何運用辯證思維方法的。（14分）
延長縣中學2013屆高三年級第二次月考
政治試題答案
二、非選擇題（共2道大題，共52分）
13.（22分）
（1）（14分，寫出任意三點，可得滿分）
①制定正確經營戰略；
②開發市場潛在需求的產品；
③設計創新；
④掌握優質貨源，降低生產成本；
⑤注重服務，形成競爭優勢。
（2）（12分）
①組織社會主義經濟建設職能。（4分）
②提供社會公共服務職能。完善社會保障體系，減輕創業者精神壓力。打擊侵犯知識產權行為，維護人民合法權益。（4分）
③切實抓變政府職能，進一步深化行政審批制度改革，建設服務型政府。4分）
14題:（1）①我國是人民民主專政的社會主義國家，人民是國家的主人；（3分）②中國共產黨是我國的執政黨，是社會主義事業的領導核心，民主執政是黨的執政方式之一；（3分）③中國共產黨是中國工人階級的先鋒隊，中國人民和中華民族的先鋒隊，它的宗旨是全心全意為人民服務；（3分）④科學發展觀作為我黨的指導思想，其核心是以人為本。（3分）
(2)(14分)寫出四點給滿分：
陜西省延安中學2013屆高三上學期11月數學文試題
選擇題（每小題5分，共50分）
1．若集合、b、）中三個元素為邊可構成一個三角形，那么該三角形一定不可能是（ ）
A．銳角三角形 B．等腰三角形 C．鈍角三角形 D．直角三角形
2．“或是假命題”是“非為真命題”的（ ）
A．充分而不必要條件 B．必要而不充分條件
C．充要條件 D．既不充分也不必要條件
3. 已知函數，則 （ ）
A．= B． =
C． = D． =
4．為了得到函數的圖象，可以把函數的圖象( )
A．向左平移3個單位長度 B．向右平移3個單位長度
C．向左平移1個單位長度 D．向右平移1個單位長度
設曲線在點處的切線與直線平行，則（? ） A.1?????? B．? ?????? C．? ?????? D.-1?
6、若,則實數x= （ ）
A、23 B、 C、 D、
7.不等式 的解集是為( )
A B C（-2，1） D∪
8.數列{an}的通項公式，其前n項和為Sn，則S2012等于( )
A.1006 B.2012 C.503 D.0
9.復數z 滿足，則（ ）
A. B. C. D.
10．在200m高的山頂上，測得山下一塔頂與塔底的俯角分別是30°和60°,則塔高為( )
A．m B．m C．m D．m
二、填空題（每小題5分，共25分）
11.若實數滿足，則z=x+2y的值域是 .
12. 已知x+y=2,則的最小值為 .
13.仔細觀察下列表達式：
； ；
；；……
設是最簡分數且有，那么_
14、在等差數列{a}中，若a，a是方程x－4x－1=0的兩根，則a的值是 .

三、解答題（共6題，共75分）
16．（本題滿分12分）向量=(cos23°，cos67°)，=(cos68°，cos22°)，
(1)求
(2)求 的模的最小值．
18．（本小題滿分13分）
已知數列{an}的前n項和為Sn，且Sn=，n∈N﹡，數列{bn}滿足an=4log2bn＋3，n∈N﹡.
（1）求an，bn；
（2）求數列{an·bn}的前n項和Tn.
19. （本小題滿分12分）解關于x的不等式： x2+(1-a)x-a＜0
20．（本小題滿分12分）圍建一個面積為360m2的矩形場地，要求矩形場地的一面利用舊墻（利用舊墻需維修），其它三面圍墻要新建，在舊墻的對面的新墻上要留一個寬度為2m的進出口，如圖所示，已知舊墻的維修費用為45元/m,新墻的造價為180元/m,設利用的舊墻的長度為x(單位：元).（1）將y表示為x的函數；（2）試確定x,使修建此矩形場地圍墻的總費用最小，并求出最小總費用.
21. (本小題滿分13分)
設函數
若函數在處取得極小值是，
（Ⅰ）求a,b的值;
（Ⅱ）求函數的單調遞增區間;
延長縣中學高三年級(文)中考數學答案（卷）
三．解答題
16. 解：(1)a·b=cos23°cos68°+cos67°cos22°
=cos68°cos23°+sin68°sin23°
=cos45°=.
(2)|u|2=(a+tb)2=a2+2ta·b+t2b2
=1+t+t2=(t+)2+.
當t=－時，|u|min=.
17.解：（Ⅰ）由圖可得，，所以． 　
所以． …………………………………2分
當時，，可得 ，
因為，所以． ……………………………………………4分
所以的解析式為． …………………………………5分
（Ⅱ）

………………………………………8分
． ………………………………………10分
因為，所以．
當，即時，有最大值，最大值為； ………………12分
當，即時，有最小值，最小值為．……………………13分
解：方程x2+(1-a)x-a=0的解為x=-1或x=a,函數y=x2+(1-a)x-a的圖像開口向上，所以（1）當a<-1時，原不等式的解集為（a,-1）.(2) 當a=-1時，原不等式的解集為（3）當a>-1時，原不等式的解集為(-1,a)
21. (本小題滿分14分)
解：（I） .
得
解得：
(2) (2,3)為單調減區間， x>3或x<2為單調增區間
陜西省延安中學2013屆高三上學期11月數學理試題
第Ⅰ卷（選擇題 共50分）
一、選擇題（本大題共10小題，每小題5分，共50分. 在每小題給出的四個選項中，只有一項是符合題目要求的.）
1、設集合A=R，集合B={x | x＞0}，下列對應關系中，是從集合A到集合B的映射的是（ ）
A、x →y=| x | B、x→y= C、x→y=（）x D、x→y=（1+x）
2、如果復數 (其中為虛數單位，為實數)的實部和虛部互為相反數，那么等于（ ）
A、 B、 C、 D、2
3.定義運算 則函數 圖像的一條對稱軸方程是( )
A． B． C． D．
4．已知a，b，c成等比數列，a，m,b和b，n，c分別成兩個等差數列，則＋等于 (　　)
A．4　　　　 B．3 C．2 D．1
5．，則的夾角為（ ）
A. B. C.或 D.
6.若,則下列不等式成立的是 ( )
A． B． C． D．
7．定義在R上的函數滿足. 為的導函數，已知函數的圖象如圖所示．若兩正數滿足，則的取值范圍是 ( )
A． B．
C． D．
8. 設f(x)為定義在R上的奇函數，當x≥0時，f(x)＝2x＋2x＋b(b為常數)，則f(－1)＝(　　)
A．3 B．1 C．－1 D．－3
9. 在中，角、、所對邊的長分別為、、．若，則的值為（ ）
A B C D
10.已知都是正實數， 函數的圖象過（0,2）點，則的最小值是（ ）
A． B． C． D．
第II卷（非選擇題 共100分）
二、填空題（本大題共5小題，每小題5分，共25分）
那么方程的一個近似根（精確到）為
12.已知
13. 已知點P(x、y)滿足不等式組，則的取值范圍是 .
14．如圖，由曲線軸圍成的
陰影部分的面積是 。
15.已知函數f（x）=x2+kx的圖象在點A（）處的切線方程為3x－y+b=0，數列{}的前n項和為Sn，則S2009=
三、解答題：本大題共6小題，共75分. 解答應寫出文字說明，證明過程或演算步驟。
16．（本題滿分12分）已知向量＝（，），＝(2，cos2x)，其中
x（0，］.(1)試判斷向量與能否平行，并說明理由？
(2)求函數f(x)＝·的最小值．
17．（本題滿分12分）某廠生產某種產品的年固定成本為250萬元，每生產x千件，需另投入成本為Ｃ(x) ，當年產量不足80千件時，C(x)=x2+10x（萬元）；當年產量不小于80千件時，C(x)=51x+ ―1450（萬元）．通過市場分析，若每件售價為500元時，該廠當年生產該產品能全部銷售完．
（Ⅰ）寫出年利潤L(x)（萬元）關于年產量x（千件）的函數解析式；
（Ⅱ）年產量為多少千件時，該廠在這一產品的生產中所獲利潤最大，最大利潤是多少？
18.已知函數，．
（1）求的最大值和最小值
（2）若不等式在上恒成立，求實數的取值范圍．
19.解關于x的不等式
20.(本小題滿分13分)
（1）下面圖形由單位正方形組成，請觀察圖1至圖4的規律，并依此規律，在橫線上方處畫出下一個適當的圖形；
（3）依照（1）中規律，繼續用單位正方形繪圖，記每個圖形中單位正方形的個數為，設，求數列{cn}的前n項和.
21. (本小題滿分14分)
設函數
（Ⅰ）若函數在處取得極小值是，求的值;
（Ⅱ）求函數的單調遞增區間;
（Ⅲ）若函數在上有且只有一個極值點, 求實數的取值范圍.


延長縣中學高三《理科》數學第二次月考答案
二、填空題（25分）11. 1.4 12. 13.
14. 3 15 .
三、解答題（75′）
16. （12分）16.[解析]　(1)若a∥b，則有·cos2x＋·2＝0.
∵x∈，∴cos2x＝－2，這與|cos2x|≤1矛盾，
∴a與b不能平行．
(2)∵f(x)＝a·b＝－＝＝＝2sinx＋，
∵x∈，∴sinx∈(0,1]，∴f(x)＝2sinx＋≥2＝2.
當2sinx＝，即sinx＝時取等號，故函數f(x)的最小值為2
∴當且僅當
綜上所述，當最大值1000，即年產量為100千件時，該廠在這一商品的生產中所獲利潤最大。
18.解：（12分）（1）．
又，，即，
．
（2），，
且，
，即的取值范圍是．
20. (本小題滿分13分)
解：略解：（1）答案如右圖所示： 　　　　　　
（2）易知，后一個圖形中的著色三角形個數是前一個的3倍，
所以，著色三角形的個數的通項公式為：．
（3）由題意知，，
　　所以 .　　　　　　　　 ①
所以 .　　　②
①－②得 .
所以＝．
即 .
21. (本小題滿分14分)
（Ⅲ）由題意可得：……12分

的取值范圍 ……14分

陜西省延安中學2013屆高三上學期11月物理試題
考生注意：本試題分第I卷和第II卷，共6頁，3道大題，滿分100分，考試時間為60分鐘。
第I卷（共48分）
一、選擇題(本大題共8小題，每小題6分。在每小題給出的四個選項中，有的只有一項符合題目要求，有的有多項符合題目要求。全部選對的得6分，選對但不全的得3分，有選錯的得0分。)
1、在平直的公路上，汽車由靜止開始做勻加速運動，當速度達到，立即關閉發動機而滑行直到停止，v-t 圖線如圖1所示，汽車的牽引力大小為F1,摩擦力大小為F2，全過程中，牽
2、將物體以60 J的初動能豎直向上拋出，當它上升至某點P時，動能減為10 J，機械能損失10 J，若空氣阻力大小不變，那么物體落回拋出點的動能為 （ ）
A．36 J B．40 J C．48 J D．50 J
3、如圖2所示，一輕彈簧固定于O點，另一端系一重物，將重物從與懸點O在同一水平面且彈簧保持原長的A點無初速地釋放，讓它自由擺下，不計空氣阻力，在重物由A點擺向最低點的過程中（ ）
A．重物的重力勢能減少 B．重物的重力勢能增大
C．重物的機械能不變 D．重物的機械能減少
4.電場中有一點P，下面哪些說法是正確的（ ）
A．若放在P點的點電荷減半，則P點的場強減半
B．P點的場強越大，則電荷的電勢能越大
C．P點的場強越大，則同一電荷在P點受到的電場力越大
D．P點的場強方向為電荷在該點的受力方向
6．圖4為一頭大一頭小的導體周圍的等勢面和電場線(帶箭頭的為
電場線)示意圖，已知兩個相鄰等勢面間的電勢之差相等，則下
列判斷正確的是 (　　)
A．a點和d點的電場強度相同
B．a點的電勢低于b點的電勢
C．將負電荷從c點移到d點，電場力做正功
D．將正電荷從c點沿虛線移到e點，電勢能先減小后增大
7．電場線分布如圖5所示，電場中a、b兩點的電場強度大小分別為和，a、b兩點的電勢分別為和，則 （ ）
A． ， B．，
C． ， D．，

圖5
8．如圖6，當K閉合后，一帶電微粒在平行板電容器間處于靜止狀態，下列說法正確的是（ ）
A．保持K閉合，使P滑動片向左滑動，微粒仍靜止
B．打開K后，使兩板錯開一定距離，微粒仍靜止
C．打開K后，使兩極板靠近，則微粒將向上運動
D．打開K后，使兩極板靠近，則微粒仍保持靜止 圖6
第II卷非選擇題（共52分）
二、實驗（共2道大題，共18分）
9. （6分）某同學在做利用橡皮筋探究功與速度變化關系的實驗時，小車在橡皮筋的作用下拖著紙帶由靜止運動到木板底端，
（1）指出下列操作不正確的是(　 )
A．每次實驗必須設法算出橡皮筋對小車做功的具體數值
B．每次實驗中，橡皮筋拉伸的長度沒有必要保持一致
C．放小車的長木板應該盡量使其水平
D．先接通電源，再讓小車在橡皮筋的作用下彈出
（2）關于實驗過程中打點計時器在紙帶上打下的點描述正確的是(　 )
A．相鄰點間的距離變化情況是均勻增大
B．相鄰點間的距離變化情況是先減小后增大
C．相鄰點間的距離變化情況是先增大后均勻不變
D．相鄰點間的距離變化情況是先增大后減小
10、（12分）用如圖7甲所示的實驗裝置驗證機械能守恒定律。
①實驗小組A不慎將一條選擇好的紙帶的前面一部分損壞了，剩下的一部分紙帶上各點間的距離如圖7乙所示的數值，已知打點計時器的周期為T=0.02S,重力加速度g=10m/s2;重錘的質量為m=1kg,已知S1=0.98cm,S2=1.42cm,S3=1.78cm, S4=2.18cm,重錘從B點到C點重力
②若實驗小組B在驗證機械能守恒定律的實驗中發現，重錘減小的重力勢能總是大于重錘動能的增加，其原因主要是因為 。
.三、計算題（34分）
11．（8分）做勻加速直線運動的物體途中依次經過A、B、C三點，已知AB=BC，AB段和BC段的平均速度分別為v1=3m/s、v2=6m/s，則
（1）物體經B點時的瞬時速度vB為多大？
（2）若物體運動的加速度a=2m/s2,試求AC的距離。
12、（12分）如圖5—10所示，電動傳送帶以恒定速度v0＝1.2m/s運行，傳送帶與水平面的夾角α＝37°，現將質量m=20kg的物品箱輕放到傳送帶底端，經過一段時間后，物品箱被送到h=1.8m的平臺上，已知物品箱與傳送帶間的動摩擦因數μ＝0.85，不計其他損耗，則（1）每件物品箱從傳送帶底端送到平臺上，需要多少時間？
（2）每輸送一個物品箱，電動機需增加消耗的電能是多少焦耳？（g＝10m/s2。Sin37°＝0.6）
13.（14分）如圖甲所示，電荷量為q=1×10-4C的帶正電的小物塊置于絕緣水平面上，所在空間存在方向沿水平向右的電場，電場強度E的大小與時間的關系如圖乙所示，物塊運動速度與時間t的關系如圖丙所示，取重力加速度g=10m/s2．
延長縣中學2013屆高三年級第二次月考
物理試題答案
二、實驗題（共2道大題，共18分）
9（1） ABC （2） C
10 0.142 0.140
重錘下落的過程中存在阻力作用

三、計算題（共34分）
（1）設物體加速度大小為a，AC的距離為l，經過A、C點的速度大小
12、（12分）
（1）物品箱先做勻加速運動
（2分）
t1＝ （2分） s1＝ （2分）
可見物品箱之后做勻速運動
s2＝ （2分） t2＝ （2分）
所以 t＝t1＋t2＝3.25s （1分）
（2）每輸送一個物品箱，電動機需增加消耗的電能等于物品箱機械能增加量及系統產生的內能
（4分）
13.（14分）
解：（1）由題意得：在勻強電場中電場力F為：F=Eq
由圖像得前2秒的位移S為： S=at2/2
則電場力做的功為： W =FS 代入數據得： W = 6（J）
（2） 在2—4秒內由圖像得： E2q = umg 。
前2秒物塊的加速度a=1m/s2
由牛頓第二定律得：E2q － E1q=ma 帶入數據得： m =1kg
（3）在2—4秒內由圖像得： E2q = umg 又 m =1Kg 則： u = 0.2
陜西省延安中學2013屆高三上學期11月英語試題
第I 卷 （選擇題 ,共95 分）
第一部分 英語知識運用 （共四節，滿分55分）
第一節：語音知識 （共5小題; 每小題1分，滿分5 分）
從每小題的A.B.C.D四個選項劃線部分與所給單詞劃線部分相同的選項，并在答題卡上將該選項涂黑。
1. organize A. design B. college C. ignore D. charge
2. exactly A.expression B. example C. exhibition D. exchange
3. accent A. official B. recover C. recognize D. pace
4. loose A. shoot B. outdoors C. football D. wool
5. valley A. vocabulary B. attraction C. many D. cave
第二節 情景對話 （共5小題，每小題1分，滿分5分）
根據對話情景和內容， 從對話后所給的選項中選出能填入每一空白處的最佳選項，并在答題卡上將該選項涂黑。選項中有兩項是多余項。
Jerry: Hi, Mike. Look like you’ve got some sun.
Mike: I guess so. I spent the weekend on the beach.
Jerry: Really? That sounds exciting. 6
Mike: At my friend’s house. He invited me to stay there for as long as I wanted.
Jerry: 7
Mike: Oh, I have a paper to work on.
Jerry: 8 I mean besides lying out in the sun.
Mike: I played some volleyball. I never realized how hard it is to run on sand.
Jerry: 9 Did you go swimming?
Mike: I intended to. 10 So I just went fishing.
Jerry: All sounds so relaxing.
What a pity!
It must be cool.
Where did you stay?
But how did you get there?
So what else did you do out there?
But the water wasn’t warm enough.
Then why not stay there for a longer time?
第三節 語法和詞匯知識 （共1 5小題，每小題1分，滿分1 5分）
從A.B.C.D四個選項中，選出可以填入空白處的最佳選項。
11. Sam has been appointed _____manager of the engineering department to take ____ place of George.
A. /, / B. the, / C. the, the D. /, the
12. The chief manager has decided to put he thinks is energetic, clever, and has good qualities in the position of the leadership of the company．
A. who B. whoever C. whomever D. anyone
13. ________ surprised me most was the way ________ she spoke to her father．
A．Which; what B．That; which C．That; what D．What; that
14. There are many such cases ________ consumer complaints have contributed to changes in the law.
A．that B．as C．where D．which
15. Scientists say it may be five or six years _________ it is possible to test this medicine on human patients.
A．since B．after C．before D．when
16. This is the largest clock in the world, __________ the minute hand is six meters long.
A. where B. of which C. which D. whose
17. The traffic problems we are looking forward to seeing __________ should have attracted the government’s attention.
A. solving B. solve C. to solve D. solved
18. It was in so poor light that I couldn't _________ what the newspaper said.
A. make out B. let out C. speak out D. cry out
19. It was only after he failed in the exam __________ he realized that he had wasted so much time.
A. which B. that C. it D．what
20. Those who _________ the rules of history will be punished by history.
A. stand for B. go against C. look for D. lean against
21. If you continue to cheat, you will ________ in prison.
A. put up B. hold up C. end up D. shut up
22. —Do you have anything to say for yourselves?
—Yes, there is one point _________ we must insist on.
A. why B. where C. how D. /
23. The order came _________ the soldiers _________ the small village the next
morning.
A. that; had to leave B. /; must leave
C. that; should leave D. when; should leave
24. _________ yesterday, our school organized a successful picnic in the countryside, with all the students and teachers taking part in.
A. As a fine day B. It was a fine day
C. It being a fine day D. For it was a fine day
25. Our teachers often encourage us that every minute we spend on studying will finally __________ in the near future．
A．run out B．go off C．come out D．pay off
第四節 完形填空（共20小題，每小題1.5分，滿分30分）
閱讀下面短文，從短文后所給各題的四個選項Ａ.Ｂ.Ｃ.Ｄ四個選項中，選出合適填入對應空白處的最佳選項。
He was 11 years old and went fishing every chance he got from the dock at his family’s cabin on an island in the middle of a New Hampshire lake. On the day 26 the bass (鱸魚) season opened, he and his father were fishing early in the evening, 27 sunfish with worms. Then he tied on a small lure (魚餌) and practiced casting. When his pole 28 , he knew something huge was 29 . His father watched 30 as the boy skillfully worked the fish alongside the dock. Finally, he very carefully lifted the 31 fish from the water. It was the largest one he had ever seen, 32 it was a bass. It was 10 p.m. — two hours before the season opened. The father looked at the fish, then at the boy.
“You’ll have to 33 , son,” he said.
“Dad!” cried the boy.
“There will be other fish,” said his father.
“Not as big as this one,” cried the boy.
34 no one had seen them, nor could anyone ever know what time he caught the fish, the boy could 35 by his father’s firm voice that the decision was 36 . He slowly worked the hook out of the lip of the huge bass and lowered it into 37 . The creature moved its powerful body and 38 . The boy thought that he would never again see such a great fish.
That was 34 years ago. Today, the boy is a successful architect in New York City . And he was 39 . He has never again caught such a magnificent fish as the one he 40 that night long ago. But he does see 41 fish again and again every time he comes up against a question of principles. As his father taught him, principles are simple matters of right and wrong. It is only the practice of principles 42 difficult. Do we 43 when no one is looking?
We would if we 44 to put the fish back when we were young. For we would have learned the truth. The decision to do right lives 45 in our memory. It is a story we will proudly tell our friends and grandchildren.
26．A. until B. when C. after D. before
27．A. providing B. catching C. feeding D. supplying
28．A. bent over B. came up C. turned over D.broke down
29．A. on the other end B. on the other hand
C. on one hand D. at the either side
30．A. with anxiety B. in surprise C. with admiration D. for fear
31．A. delighted B. frustrated C. frightened D. exhausted
32．A. and B. but C. however D. yet
33．A. bring it home B. put it aside C. put it back D. pick it up
34．A. Even though B. Now that C. Ever since D. In case
35．A. tell B. say C. speak D. talk
36．A. passed B. changed C. fixed D. refused
37．A. the wide container B. the broad sea
C. the black water D. the small river
38．A. fled B. disappeared C. floated D. swam
39．A. wrong B. right C. satisfactory D. pleased
40．A. landed B. saw C. cast D. threw
41．A. a different B. many big C. even bigger D. the same
42．A. which is B. it is C. that is D. this is
43．A. do wrong B. do right C. do harm D. do good
44．A. were taught B. told C. were let D. ordered
45．A. freshly B. fresh C. clearly D. strongly
第二部分：閱讀理解（共兩節，滿分40分）
閱讀下列短文，從每篇短文后所給各題的A，B，C，D四個選項中，選出最佳選項。
A
While watching the Olympics the other night, I came across an unbelievable sight. It was not a gold medal, or a world record broken, but a show of courage.
The event was swimming and started with only three men on the blocks. For one reason or another, two of them false started, so they were disqualified. That left only one to complete. It would have been difficult enough, not having anyone to race against, even though the time on the clock is important.
I watched the man dive off the block and knew right away that something was wrong. I'm not an expert swimmer, but I can tell a good dive from a poor one, and this was not exactly medal quality. When he resurfaced, it was evident that the man was not out for gold—his arms were waving in an attempt at freestyle. The crowd started to laugh. Clearly this man was not a medal competitor.
I listened to the crowd begin to laugh at this poor man who was clearly having a hard time. Finally he made his turn to start back. It was pitiful. He made a few desperate strokes and you could tell he was worn out.
But in those few awful strokes, the crowd had changed.
No longer were they laughing, but beginning to cheer. Some even began to stand and shout “Come on, you can do it！” and he did.
A clear minute past the average swimmer, this young man finally finished his race. The crowd went wild. You would have thought that he had won the gold, and he should have. Even though he recorded one of the slowest times in Olympic history, this man gave more heart than any of the other competitors.
Just a short year ago, he had never even swum, let alone race. His country had been invited to Sydney.
In a competition where athletes remove their silver medals feeling they have somehow been cheated out of gold, or when they act so proudly in front of their competitors, it is nice to watch an underdog.
46．From the passage we can learn that the young man ______.
A．made his turn to start back pitifully
B．was skillful in freestyle in the game
C．swam faster than the average swimmer
D．was not capable enough to win the medal
47．The crowd changed their attitudes because ________.
A．they felt sorry for the young man
B．they were moved by the young man
C．they wanted to show their sympathy
D．they meant to please the young man
48．According to the passage, “it is nice to watch an underdog” probably means ________.
A．it's amusing to watch a man with awful swimming skills
B．it's amazing to watch an ordinary man challenging himself
C．it's cheerful for athletes to act proudly before their competitors
D．it's brave enough for some athletes to remove the silver medals
B
Some years ago, I was hired by an American bank. I received a letter from the head of the Personnel Department that started, “Dear John, I am quite pleased that you have decided to join us.” That “quite” saddened me. I thought he was saying “we’re kind of pleased you decided to join us although I wish we had hired someone else.” Then I discovered that in American English “quite” sometimes means “very”, while in British English it means “fairly”.
So the first lesson about working in other countries is to learn the language and by that I don’t just mean the words people speak. It is the body language, dress, manners, ideas and so on. The way people do things highlights many of the differences we see between cultures.
Some of these differences may be only on the surface—dress, food and hours of work—while others may be deeper and take longer to deal with. Mostly, it is just a question of getting used to the differences and accepting them, like the climate, while getting on with business.
Some of the differences may be an improvement. People are more polite; the service is better; you ask for something to be done and it happens without having to ask again. However, other differences can be troubling, like punctuality(準時). If you invite people to a party at 7 o’clock your guests will consider it polite to turn up exactly on time in Germany, five minutes early in the American Midwest, an hour early in Japan, 15 minutes afterwards in the UK, up to an hour afterwards in Italy and some time in the evening in Greece. I prefer not to use the word “late” because there is nothing wrong with the times people arrive. It is simply the accepted thing to do in their own country.
49. The author was unhappy as mentioned in Paragraph 1 because he thought________.
A. the American bank didn’t think much of him
B. the American bank might hire another person
C. it’s difficult to get used to American culture
D. it’s easy to misunderstand Americans
50. The word “highlight” in Paragraph 2 probably means____________.
A. encourages B. helps to narrow C. increases D. draws attention to
51. According to the author, what should we do with most cultural differences?
A. Ask the native people for help
B. Understand and accept them
C. Do things in your own way
D. Do in-depth research
52. When invited to a party the people who are usually punctual are__________.
A. Italians B. Germans C. Greeks D. The British
C
Once Dr. Mellinkoff invited me to join him at the hospital to discuss interesting cases with his students . The case at hand was a Guatemalan man , aged 34 , who had a fever and many other medical problems . His condition was not improving , and there was not much hope he would live .
Dr. Mellinkoff asked to see the patient . He introduced himself in Spanish and , in a very gentle voice , asked how he felt . The patient smiled and said everything was all right . Then the doctor asked if he was able to eat . The patient said that he had no desire to eat .
“ Are you getting food you like ? ”
The patient said nothing .
“ Do you get the kind of food you have at home ? ”
The answer was no .
The doctor put his hand on the man’s shoulder and his voice was very soft .
“ If , you had food that you liked , would you eat it ? ”
“ Yes , yes . ” the patient said .
The change in the patient’s appearance couldn’t have been more obvious . Nothing was said , but it was easy to tell that a message had been sent and had also been received .
Later , the doctor asked why the Guatemalan man wasn’t getting food he could eat . One of the students said , “ We all know how difficult it is to get the kitchen to make special meals . ”
“ Suppose , ” the doctor replied , “ you felt a certain medicine was absolutely necessary but that our hospital didn’t carry it , would you accept defeat or would you insist the hospital meet your request ? ”
“ I would probably insist , ” the student said .
“ Very well , ” the doctor said . “ You might want to try the same method in the kitchen . It won’t be easy , but I can help you . Meanwhile , let’s get some food inside this man as fast as possible , and stay with it . Or he’ll be killed by hunger . By the way , there must be someone among you who can speak Spanish . If we want to make real progress , we need to be able to talk with him . ”
Three weeks later , Dr. Mellinkoff told me that the Guatemalan man had left the hospital under his own power . It takes more than medicine to help sick people ; you also have to talk to them and make them comfortable .
53. The patient had no desire to eat because __________ .
A. he was not hungry B. he was seriously ill
C. he was given special meals D. he was not satisfied with the food
54. According to the passage , we can conclude that __________ .
A. the patient was from another country .
B. the patient’s illness was caused by hunger
C. Dr. Mellinkoff performed an operation on the patient
D. the hospital failed to provide the right medicine for the patient
55. Which of the following words can be used to describe Dr. Mellinkoff ?
A. Cold . B. Considerate . C. Curious . D. Confident .
56. What do you think Dr. Mellinkoff wanted to tell his students in this case ?
A. Doctors should be able to speak foreign languages .
B. Doctors should know their patients’ real problems .
C. Doctors should try to improve their medical skills .
D. Doctors should give more medicine to patients .
D
Two teachers are needed in jiangsu Province ASAP!
7000-8000 RMB / month (20 lessons / week) plus benefits!
The school is located in Sihong Town, which is only two hours away from Nanjing City by bus.
Requirements:
Native English speakers from Australia, Canada, UK, etc. Bachelor' s degree and teaching experience
We offer:
Airfare reimbursement & Travel bonus
A spacious, private and on-campus apartment with the following items included:
Computer with free Internet access; Telephone; Color TV; Heater; Washing machine; Refrigerator; Microwave; Cooking facilities (plates, glasses, cups, pots and pans, etc.)
Water dispenser; Western-style toilet; Bath-tub; Non-stop hot water
To apply for the job, please send your resume to [email protected].
Application:
To apply for the job, please don’t forget to include the following information:
Personal data (age, place of birth, etc.)
Description of your academic history and teaching experience
A recent picture
Scanned documents, such as diploma(s), passport and current visa (if already in China)
A phone number where we can reach you
For inquiries, call +86 (871)3803085; 13700641813
57. This advertisement is about____________.
A. introducing a school B. taking on English teachers
C. attracting foreign students D. arranging the subjects
58. What is Not needed for you to apply for the job?
A. your resume B. your personal data
C. your academic history D. a recommendation letter
59. If you are employed, you may___________.
A. live far away from the campus B. share a room with another teacher
C. surf the Internet for free D. enjoy three free meals every day
60. Where can you mostly read the advertisement?
A. In a telephone book. B. In a newspaper.
C. In a travel guide. D. In a textbook.
第二節 （共5小題，每題2分，滿分10分）
根據短文內容， 從下框的A-F選項中選出能概括出每段主題的最佳選項。選項中有一項是多余項。
If your child has gone from a continuous chatterbox to making conversations that consist mostly of yes and no, it’s time to consider these tips on how to talk to kids, so you’ll know what’s going on in your child’s world.
61.
The quickest way to get kids to shut up and, as a result, shut you out of their lives is to continuously press them about things. A more effective way is to sit back and patiently wait for them to open up in a low-stress family and then be prepared to listen.
62.
Parents can sometimes make kids at a young age decide it is best not to talk about something when they are criticized. If you really want to know what’s on your child’s mind, then avoid passing judgment and focus instead on why something seems important to your child.
63.
If you want to raise a creative and independent thinker, stop telling your child what he ought to feel or think. You can gently encourage additional conversations by simply asking why he feels the way he does or what he would do in a certain situation.
64.
You may think you’re just asking questions out of curiosity when communicating with your child, but an endless stream of questions about what they did, whether everyone got along, if they went to the bathroom, etc., are enough to make anyone shut up! Practice patience and let your kids open up on their terms.
65.
Kids can relate to you and other adults when you tell your stories happening when you were their age. Talking to kids by telling them about things like something embarrassing that happened or the first crush (迷戀) you had helps them to connect with you and understand that you might actually know what they are going through!
第II卷 (共55分)
第三部分 寫作（共三節，滿分55分）
單詞拼寫（共10 小題；每小題1分，滿分10分）
根據下列句子各句句意和空白之后的漢語提示詞，在句子右邊的橫線上寫出空缺處相應單詞的正確形式，每空只寫一詞。
66. My uncle is grateful to me for __________(說服)him into giving up smoking.
67. It was ten in the morning but the _________ (窗簾) were still drawn.
68．His car got completely __________(毀壞) after hitting a big tree.
69. On ___________(星期三)，our teachers often have meetings.
70. You will __________(逐漸) get better at it---it’s just a matter of practice.
71．He visits his parents now and then, but not as __________（頻繁）as he used to.
72．Environmental protection is a subject about which we have been ________(關心) for a long time.
73．If you don’t speak English well, you will be at a big __________（不利條件）when you try to get a job.
74. Christopher was born and brought up in France, but he speaks English _________(流利).
75. While travelling, you’d better communicate with the __________ (當地人) as much as possible.
第二節 短文改錯（共10小題，每小題1.5分，滿分15分）
假定英語課上老師要求同桌之間交換修改作文，請你修改你同桌寫的以下作文。文中共有10處語言錯誤，每句中最多有兩處。錯誤涉及一個單詞的增加、刪除或修改。
增加：在缺詞處加一個漏字符號（∧）。并在其下面寫出該加的詞。
刪除：把多余的詞用斜線（/）劃掉。
修改：在錯的詞下劃一橫線，并在該詞下面寫出修改后的詞。
注意：1. 每處錯誤及其修改均僅限一詞；
2. 只允許修改10處，多者（從第11處起）不記分。
My neighbor Li Hai is going to graduate college soon and he hasn’t found the job yet. He was once advising to learn computer skills, so he thought it was difficult. When he saw others learning English, he shook his head, said it was too hard to remember the new word. He enjoyed watching TV, playing cards, smoking and so on. He felt it was hard for him to give up all this habits. Not long ago, he went to look for a job. When he knew that talents were great needed, he sighed and regretted the time that what he had wasted. How he wished he has worked hard in college!
第三節 書面表達(滿分25分)
2．適當增加細節，以使行文連貫。
3．參考詞匯: 模仿imitate
第二節：短文改錯（共10小題；每小題1.5分，滿分15分）
My neighbor Li Hai is going to graduate college soon and he hasn’t found the job yet. He was once advising to learn computer skills, so he thought it was difficult. When he saw others learning English, he shook his head, said it was too hard to remember the new word. He enjoyed watching TV, playing cards, smoking and so on. He felt it was hard for him to give up all this habits. Not long ago, he went to look for a job. When he knew that talents were great needed, he sighed and regretted the time that what he had wasted. How he wished he has worked hard in college!
第三節、寫作 ( 共30分)

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