資源簡介

學校:___________姓名：___________班級：___________考號：___________
Unit6 Sunshine for all
重點語法：it固定句型的用法精講練
語法知識精講
一、It作形式主語
1. It + be + 形容詞 + (for sb) + to do sth
表示"做某事(對某人來說)是...的"
- It is important to learn English well. (學好英語很重要)
- It was difficult for me to solve the problem. (對我來說解決這個問題很難)
2. It + be + 形容詞 + that從句
表示"...是...的"
- It is obvious that he is lying. (很明顯他在說謊)
- It's strange that she didn't call. (奇怪的是她沒打電話)
3. It + be + 名詞 + that從句
- It's a pity that you can't come. (真遺憾你不能來)
- It's no surprise that he failed the exam. (他考試不及格并不奇怪)
4. It + 動詞 + that從句
常用動詞：seem, appear, happen, turn out等
- It seems that he knows the truth. (他似乎知道真相)
- It turned out that I was wrong. (結果證明我錯了)
二、It作形式賓語
1. 主語 + 動詞 + it + 形容詞/名詞 + to do/that從句
常用動詞：find, think, consider, make, feel等
- I find it hard to believe his story. (我發現很難相信他的故事)
- He made it clear that he wouldn't help. (他明確表示不會幫忙)
三、強調句型：It is/was...that/who...
用于強調句子的某一成分(主語、賓語、狀語等)
- It was Tom who broke the window. (強調主語：是湯姆打破了窗戶)
- It is English that I want to learn. (強調賓語：我想學的是英語)
- It was in Paris that they met. (強調地點狀語：他們是在巴黎相遇的)
四、其他常見It固定句型
1. It takes (sb) + 時間 + to do sth
- It takes me an hour to get to work. (我上班要花一小時)
2. It is/was + 時間 + since...
- It's three years since we last met. (自從我們上次見面已經三年了)
3. It is (high/about) time + that從句(虛擬語氣)
- It's time that we went home. (我們該回家了)
4. It looks/seems as if...
- It looks as if it's going to rain. (看起來要下雨了)
語法知識精練
一、單項選擇（每小題2分，滿分80分）
1．It ________ that the new library will be opened next month.
A．is reported B．reports C．reported D．was reported
2．It is ________ Daniel to work out such a difficult maths problem in ten minutes.
A．clever of B．careful of C．useful for D．proper for
3．It is not clever ________ teenagers to be crazy about TikTok. It is more important ________ them to read books.
A．of; of B．of; for C．for; of D．for; for
4．—It was kind ________ Zong Qinghou to help people with trouble in their daily life.
—Yes, he was always kind ________ everyone. So he is widely loved by people all over China.
A．for; for B．for; to C．of; for D．of; to
5．It’s important ________ the government ________ basic education for children in poor areas.
A．of; to provide B．of; provide C．for; to provide D．for; to providing
6．It is selfish ________ Tom ________ his great ideas with us.
A．for; to share B．of; to share C．for; not to share D．of; not to share
7．It’s good for us to ________ a good habit of brushing teeth in the childhood.
A．developing B．show C．develop D．showing
8．It is cruel ________ those hunters ________ elephants just for their ivory.
A．of, to kill B．for, killing C．for, to kill D．of, killing
9．It is hard for them ________ such a high mountain.
A．climbed B．to climb C．climb D．climbing
10．It’s time for us ________ hiking. Let’s ________ to the forest.
A．to go; go B．to go; to go C．go; go D．going; go
11．It’s clever _________ you to help me work out the plan.
A．of B．for C．to D．at
12．It is wrong ________ a student not to do his homework carefully. You must work hard.
A．with B．to C．of D．for
13．—Did you feel ________ was wrong of Jack to hide the comic books
—Yes. It is important ________ a boy to learn to share.
A．that; of B．that; for C．it; of D．it; for
14．It’s really foolish ________ Jim ________ an umbrella with him in such rainy weather.
A．for; to take B．of; to take C．for; not to take D．of; not to take
15．—Your room is in a mess. It’s time ________.
—OK, Mum.
A．tidying it up B．to tidy up it C．tidying up it D．to tidy it up
16．My daughter think ________ necessary ________ to take so many dancing classes.
A．that; for her B．it; of her C．that; of her D．it; for her
17．It ________ over 10 years since my grandpa ________.
A．was; died B．was; has been dead C．has been; died D．is; has died
18．He thought ________ a good way to relax himself.
A．it B．it’s C．that D．that’s
19．It’s 15 years since she _________.
A．has been married B．has got married C．got married D．has married
20．It’s the third time you ________ late for school this week.
A．are B．have been C．to be D．were
21．I think ________ necessary ________ to take more exercise.
A．it’s; for Jim and me B．it’s; to Jim and me C．that; for Jim and I D．that’s; to Jim and I
22．—It’s clever ________ you to work out all the Maths problems. Can you give me some tips
—Well. It’s necessary ________ us to do more exercises.
A．for; for B．of; for C．of; at D．for; of
23．It’s impolite _________ you to shout at your parents. It’s important _________ you to learn to be polite.
A．for; for B．of; for C．of; of D．for; of
24．It’s a quarter to seven! Go to wake ________. It’s time ________ school .
A．up him；for B．him up；to C．him up；for D．up him；to
25．—When did Mary ________ John
—It ________ three years since they fell in love with each other.
A．marry; is B．get married with; has been
C．get married to; was D．marry to; is
26．—It’s clever ________ her to come up with ________ many good ideas.
—Never look down upon anyone!
A．for; as B．of; such C．for; such D．of; so
27．—It was brave ________ Mike to swim in the river alone.
—But I think it really dangerous ________ him to do so.
A．of; for B．of; of C．for; of D．for; for
28．—Her operation will cost a lot. It’s necessary ________ us to give a helping hand.
—It’s kind ________ you to say so. And I quite agree with you.
A．of; for B．for; of C．for; for D．of; of
29．It’s polite ________ us _________quiet while eating.
A．for, to keep B．of, to keep C．for, keep D．of, keep
30．— It’s necessary ___________ break any of the rules at school.
— Of course, we should obey all the rules.
A．for us don’t B．of us don’t C．for us not to D．of us not to
31．—James ate all the cake. I think it is wrong ________ him to refuse to share.
—Really I feel ________ is hard to believe. He is usually generous.
A．of; it B．for; him C．for; it D．of; him
32．It is kind ________ the young man ________ blood to people in need.
A．for; to donate B．of; donating
C．of; to donate D．for; donating
33．—It was careless ________ Daniel to leave the lights on again.
—Yes. Let’s turn them off.
A．of B．for C．to D．by
34．—It’s polite ________ Chen Dan to offer his seat to the elderly when taking a bus.
—Yes. I think it’s necessary ________ us to learn from him.
A．for; for B．for; of C．of; of D．of; for
35．It was necessary __________ these volunteers __________ training before doing the tasks.
A．of; to receive B．of; receive C．for; to receive D．for; receive
36．It is brave _________ the man to take part in the competition.
A．of B．for C．to D．with
37．—You’d better ________ some drinks before the film begins.
—But I think it’s better ________ anything while watching the film.
A．buy; not have B．to buy; not to have C．to buy; not have D．buy; not to have
38．It’s generous ________ him to donate money to the poor. It’s really meaningful ________ us students to learn from him.
A．of; of B．for; for C．for; of D．of; for
39．It’s not ________ him to help these children with intellectual disabilities because he has received little training so far.
A．simple for B．simple of C．hard for D．hard of
40．—________ did the war between Russia and Ukraine break out
— Let me see. It ________ a long time since it broke out.
A．When; was B．When; is
C．How long; was D．How long; is學校:___________姓名：___________班級：___________考號：___________
Unit6 Sunshine for all
重點語法：it固定句型的用法精講練
語法知識精講
一、It作形式主語
1. It + be + 形容詞 + (for sb) + to do sth
表示"做某事(對某人來說)是...的"
- It is important to learn English well. (學好英語很重要)
- It was difficult for me to solve the problem. (對我來說解決這個問題很難)
2. It + be + 形容詞 + that從句
表示"...是...的"
- It is obvious that he is lying. (很明顯他在說謊)
- It's strange that she didn't call. (奇怪的是她沒打電話)
3. It + be + 名詞 + that從句
- It's a pity that you can't come. (真遺憾你不能來)
- It's no surprise that he failed the exam. (他考試不及格并不奇怪)
4. It + 動詞 + that從句
常用動詞：seem, appear, happen, turn out等
- It seems that he knows the truth. (他似乎知道真相)
- It turned out that I was wrong. (結果證明我錯了)
二、It作形式賓語
1. 主語 + 動詞 + it + 形容詞/名詞 + to do/that從句
常用動詞：find, think, consider, make, feel等
- I find it hard to believe his story. (我發現很難相信他的故事)
- He made it clear that he wouldn't help. (他明確表示不會幫忙)
三、強調句型：It is/was...that/who...
用于強調句子的某一成分(主語、賓語、狀語等)
- It was Tom who broke the window. (強調主語：是湯姆打破了窗戶)
- It is English that I want to learn. (強調賓語：我想學的是英語)
- It was in Paris that they met. (強調地點狀語：他們是在巴黎相遇的)
四、其他常見It固定句型
1. It takes (sb) + 時間 + to do sth
- It takes me an hour to get to work. (我上班要花一小時)
2. It is/was + 時間 + since...
- It's three years since we last met. (自從我們上次見面已經三年了)
3. It is (high/about) time + that從句(虛擬語氣)
- It's time that we went home. (我們該回家了)
4. It looks/seems as if...
- It looks as if it's going to rain. (看起來要下雨了)
語法知識精練
一、單項選擇（每小題2分，滿分80分）
1．It ________ that the new library will be opened next month.
A．is reported B．reports C．reported D．was reported
【答案】A
【詳解】句意：據報道，新圖書館將于下個月開放。
考查時態及It固定句式。It is/was reported that“據報道”，是固定句式；根據“that the new library will be opened next month”并結合選項可知，此處應是指現在報道將來發生的事情，句子時態為一般現在時，A項符合。故選A。
2．It is ________ Daniel to work out such a difficult maths problem in ten minutes.
A．clever of B．careful of C．useful for D．proper for
【答案】A
【詳解】句意：丹尼爾真聰明，十分鐘就做出了這么難的數學題。
考查形容詞辨析和it固定句型。clever聰明的；careful小心的；useful有用的；proper 適合的；“It is+形容詞+for sb.+to do sth.”意為“對某人來說做某事怎么樣”，該句型中的形容詞常與事物的特征有關；“It is+形容詞+of sb.+to do sth.”表示“某人做某事怎樣”，該句型中的形容詞常與人的性格特點有關。由“ work out such a difficult maths problem in ten minutes.”可知，此處強調丹尼爾很聰明，“clever”說明人本身具有的品質特征，故介詞應用“of”。故選A。
3．It is not clever ________ teenagers to be crazy about TikTok. It is more important ________ them to read books.
A．of; of B．of; for C．for; of D．for; for
【答案】B
【詳解】句意：青少年對抖音癡迷是不明智的。對他們來說讀書更重要。
考查介詞用法。of……的；for對于。It’s + adj. + (of/for) sb. to do sth. 譯作“某人做某事是……的”，當形容詞是可修飾人的形容詞，即sb.和adj有主系表關系時，sb.前用of；當形容詞修飾事情，sb.前用for；第一個空前的“clever”是說明“teenagers”的特征，用of；第二個空前的“important”是說明“to read books”的性質，用for。故選B。
4．—It was kind ________ Zong Qinghou to help people with trouble in their daily life.
—Yes, he was always kind ________ everyone. So he is widely loved by people all over China.
A．for; for B．for; to C．of; for D．of; to
【答案】D
【詳解】句意：——宗慶后在日常生活中幫助有困難的人，這是一種仁慈。——是的，他對每個人都很好。因此他受到了全中國人民的廣泛喜愛。
考查介詞辨析。for為了；of……的；to對于。第一個空是固定句式：It is+形容詞+of sb to do sth.“某人做某事是……的。”，這里的形容詞是修飾人的品格或性格，kind“善良的”，是修飾人的品質的形容詞，故第一空填of。be kind to sb“對某人善良”，故第二空填to，故選D。
5．It’s important ________ the government ________ basic education for children in poor areas.
A．of; to provide B．of; provide C．for; to provide D．for; to providing
【答案】C
【詳解】句意：政府為貧困地區的兒童提供基礎教育是很重要的。
考查介詞和非謂語動詞。句型It is+adj.+of/for sb.+to do sth.表示“做……對某人而言是……的”，如果形容詞是描述人的品質的，要用介詞of；若形容詞描寫事物性質，則用for；形容詞“important”與事物性質相關，介詞應用for。to后接動詞原形，而不是動名詞。故選C。
6．It is selfish ________ Tom ________ his great ideas with us.
A．for; to share B．of; to share C．for; not to share D．of; not to share
【答案】D
【詳解】句意：湯姆不與我們分享他的好想法是自私的．
考查固定句型：it is+形容詞+for sb.+to do sth.表示事物特征特點，it is+形容詞+of sb. +to do sth.表示人物的性格；根據句意“湯姆不與我們分享他的好想法是自私的”，本題是說人的性格，同時后面selfish是自私的，應該是不分享，故選D。
7．It’s good for us to ________ a good habit of brushing teeth in the childhood.
A．developing B．show C．develop D．showing
【答案】C
【詳解】句意：從小養成刷牙的好習慣對我們有好處。
考查it的固定句型及動詞辨析。developing逐漸養成，現在分詞及動名詞；show顯示，動詞原形；develop逐漸養成，動詞原形；showing顯示，現在分詞及動名詞。根據空后的“a good habit of brushing teeth”并結合選項可知，此處指養成刷牙的好習慣；分析句子結構可知，此處為固定句型“It’s+adj.+for sb. to do sth.”，意為“對某人來說，做某事是……的”。故選C。
8．It is cruel ________ those hunters ________ elephants just for their ivory.
A．of, to kill B．for, killing C．for, to kill D．of, killing
【答案】A
【詳解】句意：那些獵人為了象牙而殺害大象是殘忍的。
考查it固定句型。結合“cruel”可知，此處是it is+形容詞+of+sb+to do sth結構，是用于強調某人性格或品性的。故選A。
9．It is hard for them ________ such a high mountain.
A．climbed B．to climb C．climb D．climbing
【答案】B
【詳解】句意：他們爬這么高的山很難。
考查動詞不定式。固定句型It is + 形容詞 + for sb. to do sth.“對某人來說某事是怎么樣的”，不定式作真正的主語，故選B。
10．It’s time for us ________ hiking. Let’s ________ to the forest.
A．to go; go B．to go; to go C．go; go D．going; go
【答案】A
【詳解】句意：是我們去遠足的時候了。咱們去森林吧。
考查it固定句型與詞組搭配。“It’s time for sb. to do sth.”是固定句型，意為“是某人做某事的時候了”，所以第一空用to go；“Let’s + 動詞原形”是固定用法，表示“咱們做某事吧” ，所以第二空用go。故選A。
11．It’s clever _________ you to help me work out the plan.
A．of B．for C．to D．at
【答案】A
【詳解】句意：你真聰明，幫我制定了這個計劃。
考查It句型。It is+形容詞+for sb to do sth，表示“對某人來說做某事怎么樣”，形容詞指的是做這件事怎么樣；It is+形容詞+of sb to do sth，表示“做了某事，某人怎么樣”，形容詞指的是這個人怎么樣。根據“clever”可知，你太聰明了，介詞用of。故選A。
12．It is wrong ________ a student not to do his homework carefully. You must work hard.
A．with B．to C．of D．for
【答案】C
【詳解】句意：學生不認真做作業是不對的。
考查介詞辨析。with帶有；to到；of……的；for對于。固定句式：It is wrong of sb to do sth“某人做某事是錯誤的”，故選C。
13．—Did you feel ________ was wrong of Jack to hide the comic books
—Yes. It is important ________ a boy to learn to share.
A．that; of B．that; for C．it; of D．it; for
【答案】D
【詳解】—— 你覺得Jack把漫畫書藏起來是錯誤的嗎？—— 是的。對一個男孩來說學會分享是很重要的。
考查it的用法和介詞。 根據“It is adj. to do sth.”可知， 第一空it符合句意；根據“important”可知，修飾的是“learn to share”這件事，因此用介詞for“對……來說”。故選D。
14．It’s really foolish ________ Jim ________ an umbrella with him in such rainy weather.
A．for; to take B．of; to take C．for; not to take D．of; not to take
【答案】D
【詳解】句意：吉姆真傻，在這樣的雨天不帶雨傘。
考查it句型和介詞辨析。固定短句型It is+形容詞+for/of sb to do sth“對某人來說做某事是……的”。此處當形容詞形容事物的性質時，應用for；當形容詞是描述人的性格、品質等時，應用of。foolish在此處是修飾吉姆很傻，應用of。再根據“in such rainy weather.”可知下雨天不帶傘是很傻的，故選D。
15．—Your room is in a mess. It’s time ________.
—OK, Mum.
A．tidying it up B．to tidy up it C．tidying up it D．to tidy it up
【答案】D
【詳解】句意：——你的房間亂七八糟。該收拾了。——好的，媽媽。
考查it句型和動詞短語。固定句型It’s time to do sth“該是做某事的時候了”。排除AC選項。tidy up是“動副”短語，代詞作賓語時，需放中間，故選D。
16．My daughter think ________ necessary ________ to take so many dancing classes.
A．that; for her B．it; of her C．that; of her D．it; for her
【答案】D
【詳解】句意：我女兒認為她有必要上這么多舞蹈課。
考查it的固定句型。根據“think”、“necessary”和“to take”可知，think it+形容詞+for sb. to do sth.“認為做某事對某人來說是……的”，此處it作形式賓語，動詞不定式短語為句子真正的賓語，故第一空應用it，第二空應用for her。故選D。
17．It ________ over 10 years since my grandpa ________.
A．was; died B．was; has been dead C．has been; died D．is; has died
【答案】C
【詳解】句意：我爺爺去世已經十多年了。
考查it固定句型。分析句子，其結構為It has been/is+時間段+since+從句(一般過去時)表示“自從……已經……年了”，故選C。
18．He thought ________ a good way to relax himself.
A．it B．it’s C．that D．that’s
【答案】B
【詳解】句意：他認為這是一個放松自己的好方法。
考查it固定句式。thought后接的是省略that的賓語從句，從句是固定句式：it’s a good way to do sth“做某事的好方法”，故選B。
19．It’s 15 years since she _________.
A．has been married B．has got married C．got married D．has married
【答案】C
【詳解】句意：她結婚已經15年了。
考查動詞時態。根據題干可知，此處是 It is+時間段+since...“自從……以來有一段時間了”，從句用一般過去時，所以C選項正確，故選C。
20．It’s the third time you ________ late for school this week.
A．are B．have been C．to be D．were
【答案】B
【詳解】句意：這是本周的第三次你上學遲到。
考查時態。句型it is+序數詞+time+that從句表示“第幾次……”，從句時態應用現在完成時。故選B。
21．I think ________ necessary ________ to take more exercise.
A．it’s; for Jim and me B．it’s; to Jim and me C．that; for Jim and I D．that’s; to Jim and I
【答案】A
【詳解】句意：我認為我和吉姆有必要多鍛煉。
考查it作形式主語。根據“I think ... necessary ... to take more exercise.”可知，該句是省略了that的賓語從句，從句是固定句型“it is+形容詞+for sb.+to do sth.”，意為“對某人而言，做某事是……的”，it作形式主語，不定式作真正的主語，sb.用人稱代詞賓格。故選A。
22．—It’s clever ________ you to work out all the Maths problems. Can you give me some tips
—Well. It’s necessary ________ us to do more exercises.
A．for; for B．of; for C．of; at D．for; of
【答案】B
【詳解】——你真聰明，把所有的數學題都解出來了。你能給我一些建議嗎？——好的。對我們來說多做練習是很有必要的。
考查介詞用法。It’s+形容詞+of/for sb.+to do sth.“做……事對某人來說是……”，若形容詞修飾事情，用介詞for；若形容詞修飾人，用介詞of。第一空clever修飾人you，所以選用of；第二空necessary修飾事情“do more exercises”，所以選用for。故選B。
23．It’s impolite _________ you to shout at your parents. It’s important _________ you to learn to be polite.
A．for; for B．of; for C．of; of D．for; of
【答案】B
【詳解】句意：向你父母大叫是沒有禮貌的。學會有禮貌對你來說是重要的。
考查介詞。根據“it is形容詞（體現人的品質特征）of sb.to do”“it is形容詞（形容詞是對這件事的評價）for sb to do”，第一空前的形容詞“impolite”能體現人的品質特征，所以是of；第二空前的形容詞是對這件事的評價，所以是for。故選B。
24．It’s a quarter to seven! Go to wake ________. It’s time ________ school .
A．up him；for B．him up；to C．him up；for D．up him；to
【答案】C
【詳解】句意：現在是六點四十五分！去把他叫醒。該是上學的時候了。
考查動詞短語和介詞辨析。wake up him錯誤表達，代詞應位于動詞wake后；wake him up把他叫醒；for為了；to到。根據“wake”可知動詞短語wake sb up表示“把某人叫醒”，若“某人”為人稱代詞，則應將人稱代詞位于動詞后，即wake him up；根據“It’s time”可知此處應用“It’s time for school.”表示“該是上學的時候了。”。故選C。
25．—When did Mary ________ John
—It ________ three years since they fell in love with each other.
A．marry; is B．get married with; has been
C．get married to; was D．marry to; is
【答案】A
【詳解】句意：——瑪麗什么時候嫁給約翰的？——他們相愛已經三年了。
考查動詞短語和固定句型。marry“結婚”，和某人結婚可以用“get married to sb.或marry sb.”，排除選項B和D；再根據“since they fell in love with each other”可知，該句為“it is/has been+一段時間+since+過去時態”句型，表示“自從……有多長時間了”，所以此處用is或者has been，故選A。
26．—It’s clever ________ her to come up with ________ many good ideas.
—Never look down upon anyone!
A．for; as B．of; such C．for; such D．of; so
【答案】D
【詳解】句意：——她真聰明，能想出這么多好主意。 ——永遠不要輕視任何人！
考查it固定句型和形容詞短語。it’s adj. for/of sb. to do sth表示“對某人來說做某事是……的”，當形容詞是形容人的時候，用介詞of，否則用for，空后是人，所以用of。as作為；such修飾名詞；so修飾形容詞和副詞，so many意為“如此多的……”是固定短語。故選D。
27．—It was brave ________ Mike to swim in the river alone.
—But I think it really dangerous ________ him to do so.
A．of; for B．of; of C．for; of D．for; for
【答案】A
【詳解】句意：——邁克很勇敢，一個人在河里游泳。——但我認為他這樣做真的很危險。
考查介詞辨析。of……的；for對于。本題是It固定句型：It is+形容詞+for/of sb.+to do sth.”意為“對某人來說做某事怎么樣”。 當形容詞常與事物的特征有關，用for。當形容詞常與人的性格特點有關，用of。第一空前的形容詞brave描述人的品質，故其后用介詞of；第二空前的形容詞dangerous與事物特指有關，故其后用介詞for。故選A。
28．—Her operation will cost a lot. It’s necessary ________ us to give a helping hand.
—It’s kind ________ you to say so. And I quite agree with you.
A．of; for B．for; of C．for; for D．of; of
【答案】B
【詳解】句意：——她的手術會花費很多。我們有必要伸出援手。——你這么說真好。我非常同意。
考查介詞。It is+形容詞+of/for sb to do sth“對某人來說做某事是怎么樣的”，for sb與表示事物的特征特點的形容詞連用；of sb與表示人物的性格，品德，主觀感情或態度的形容詞連用。第一個空，形容詞necessary“必要的”，修飾事物，用介詞for；第二個空，形容詞kind“友好的”，表示人的品德，用介詞of。故選B。
29．It’s polite ________ us _________quiet while eating.
A．for, to keep B．of, to keep C．for, keep D．of, keep
【答案】B
【詳解】句意：我們吃飯時保持安靜是有禮貌的。
考查介詞和非謂語動詞。固定句式：It’s+形容詞+for/of sb to do sth，polite是修飾人的形容詞，介詞用of，動詞不定式作主語，故選B。
30．— It’s necessary ___________ break any of the rules at school.
— Of course, we should obey all the rules.
A．for us don’t B．of us don’t C．for us not to D．of us not to
【答案】C
【詳解】句意：——我們有必要不違反學校的任何規定。——當然，我們應該遵守所有的規則。
考查it固定句型。固定句型“It is+形容詞+for/of sb.+not to do sth.”意為“對某人來說不做某事是怎么樣的”，形容詞necessary與事物的特征有關，應用介詞for。故選C。
31．—James ate all the cake. I think it is wrong ________ him to refuse to share.
—Really I feel ________ is hard to believe. He is usually generous.
A．of; it B．for; him C．for; it D．of; him
【答案】A
【詳解】句意：——詹姆斯吃了所有的蛋糕。我認為他拒絕分享是不對的。——真的嗎？我覺得很難相信。他通常很慷慨。
考查介詞及代詞。第一個空，“it is+形容詞+of/for sb. to do sth.”對某人來說做某事是…… 。“for sb.”與表示事物的特征特點的形容詞連用。“of sb.”與表示人物的性格、品德、主觀感情或態度的形容詞連用。根據形容詞wrong“錯的”可知，形容人的行為用介詞of。第二個空，“it is+形容詞+to do sth.”做某事是……，固定句式，it是形式主語，不定式是真正主語。故選A。
32．It is kind ________ the young man ________ blood to people in need.
A．for; to donate B．of; donating
C．of; to donate D．for; donating
【答案】C
【詳解】句意：那個年輕人為有需要的人獻血真善良。
考查it固定句型。It’s adj. of sb. to do sth.表示“某人做某事……”，描述某人品格，要用of引出對象，后面動詞用不定式形式。故選C。
33．—It was careless ________ Daniel to leave the lights on again.
—Yes. Let’s turn them off.
A．of B．for C．to D．by
【答案】A
【詳解】句意：——丹尼爾太粗心了，又沒關燈。——是的。讓我們把它們關掉。
考查介詞辨析。of……的；for為了；to向，朝著；by通過。根據“It was careless ... Daniel to leave the lights on again.”可知，it is adj. for/of sb. to do do sth.“做某事對某人而言是……的/某人做某事是……的”；careless“粗心的”，形容人的性格，介詞應用of。故選A。
34．—It’s polite ________ Chen Dan to offer his seat to the elderly when taking a bus.
—Yes. I think it’s necessary ________ us to learn from him.
A．for; for B．for; of C．of; of D．of; for
【答案】D
【詳解】句意：——坐公共汽車時，陳丹給老人讓座是有禮貌的。——是的。我認為我們有必要向他學習。
考查介詞辨析。for對于……來說；of……的。根據“polite”和“Chen Dan”可知，此處應用“It’s+形容詞+of sb to do sth”，表示“某人做某事是怎么樣的”，用來形容人的品質；根據“necessary”和“us to learn from him”可知，此處應用“It’s+形容詞+for sb to do sth”，表示“對某人來說，做某事是怎么樣的”，用于形容事物的性質。故選D。
35．It was necessary __________ these volunteers __________ training before doing the tasks.
A．of; to receive B．of; receive C．for; to receive D．for; receive
【答案】C
【詳解】句意：對這些志愿者來說在執行任務之前接受培訓是很必要的。
考查it固定句型。根據“It was necessary…training before doing the tasks.”可知，本句為“It is+形容詞+for sb.+to do sth.”結構，意為“對某人來說做某事怎么樣”。因此第一空應用介詞for，第二空應用動詞不定式。故選C。
36．It is brave _________ the man to take part in the competition.
A．of B．for C．to D．with
【答案】A
【詳解】句意：那個人參加比賽是很勇敢的。
考查介詞辨析。of……的；for為了；to向，朝著；with和。根據“It is brave ... the man to take part in the competition.”可知，it is adj. of/for sb. to do sth.“某人做某事是……的”；brave形容人的品質，介詞用of。故選A。
37．—You’d better ________ some drinks before the film begins.
—But I think it’s better ________ anything while watching the film.
A．buy; not have B．to buy; not to have C．to buy; not have D．buy; not to have
【答案】D
【詳解】句意：——你最好在電影開始前買些飲料。——但我認為在看電影的時候最好什么都不要喝。
考查短語辨析。had better do sth.“最好做某事”，had better后跟動詞原形，故第一空填buy；而It’s better to do sth.表示“更好做某事”，否定形式在to前面加not，所以第二空填not to have。故選D。
38．It’s generous ________ him to donate money to the poor. It’s really meaningful ________ us students to learn from him.
A．of; of B．for; for C．for; of D．of; for
【答案】D
【詳解】句意：他捐款給窮人真是慷慨。對我們學生來說，向他學習真的很有意義。
考查介詞辨析。of……的；for為了。在“It’s+形容詞+of/for+sb.+to do sth.”結構中，若形容詞是描述某人的品質或性格，用介詞of；若形容詞描述某事物對某人的影響或意義，用介詞for。第一空描述“他”的品質，用of；第二空描述“學習”對“我們學生”的意義，用for。故選D。
39．It’s not ________ him to help these children with intellectual disabilities because he has received little training so far.
A．simple for B．simple of C．hard for D．hard of
【答案】A
【詳解】句意：對他來說，幫助這些智力殘疾的孩子并不簡單，因為到目前為止，他幾乎沒有接受過培訓。
考查固定句型和形容詞辨析。simple 簡單的，容易的；hard困難的。 It’s adj. for sb. to do sth. 表示做某事對某人來說很……，這里的形容詞表示做某事的屬性；It is+adj.+of sb. +to do sth.表示某人這么做真是太……了，這個形容詞是用來形容人的，形容詞通常是表示人的性格特點和品質方面的詞。此句中simple或hard是表示做某事的屬性，用for，排除B和D。由“because he has received little training so far.”可知幫助這些智力殘疾的孩子是困難的，由“not”可知simple符合題意，故選A。
40．—________ did the war between Russia and Ukraine break out
— Let me see. It ________ a long time since it broke out.
A．When; was B．When; is
C．How long; was D．How long; is
【答案】B
【詳解】句意：——俄羅斯和烏克蘭之間的戰爭是什么時候爆發的？——讓我看看。自從它爆發以來，已經有很長時間了。
考查特殊疑問詞和be動詞。when什么時候；how long多長時間。根據“did”以及短暫性動詞“break out”可知不能和how long連用，排除CD選項；第二空是固定句型：It is+時間段+since從句，故選B。

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