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Period 2　 課文整體閱讀
1．What does the passage mainly talk about
A．The sixth extinction．
B．The extinctions in history．
C．The steps to avoid extinction．
D．The reason for extinction．
2．What's the main idea of paragraph 2
A．Species die out naturally．
B．How quickly species die out．
C．Why so many species are dying out．
D．What effect human activity has on species．
Read the text carefully and then choose the best answer．
1．When did dinosaurs die out according to the passage
A．More than 500 million years ago．
B．More than 66 million years ago．
C．In the third mass extinction．
D．In the fourth mass extinction．
2．Which of the following is one of unnatural reasons for extinctions
A．Volcanic eruptions．
B．Asteroids hitting the Earth．
C．Changes in sea levels．
D．Air and water pollution．
3．What has made the species on Earth die out at a higher rate
A．Natural causes．
B．Global warming．
C．Human activity．
D．No clean water．
4．Why do we need to change the way we live now
A．To avoid a sixth extinction．
B．To live with others in peace．
C．To save natural sources of energy．
D．To work better and travel faster．
1．How much do you know about extinction Share it with your classmates．
_____________________________________________________________________
_____________________________________________________________________
2．What should we do to avoid species extinction
_____________________________________________________________________
_____________________________________________________________________
1．hunt vi．& vt．獵取，獵殺；搜尋，搜索；追蹤，追捕
①(教材p．110)Yes，many animals are illegally hunted for something they have． ____________
②Parent birds began to hunt for food for their young． ____________
③Police are hunting an escaped criminal． ____________
2．mass adj．大量的 n．群眾；團；塊；堆；大量；許多
①(教材p．52)These include the third mass extinction，known as the “Great Dying”，which killed 90% to 96% of all species． ____________
②The hill appeared as a black mass in the distance． ____________
③There's a mass of work for her to do． ____________
④His music is commercial．It is aimed at the masses． ____________
3．decrease n．減少；減少的量vi．& vt．減少
①(教材p．52)According to scientists，they include volcanic eruptions，asteroids hitting the Earth from space，changes in sea levels，the decrease of the oxygen content of the sea and global warming． ____________
②They decreased the size of the group from 25 to 15． ____________
③The decrease in sales was almost 20 percent． ____________
4．affect vt．影響；侵襲；使感染；(感情上)深深打動；使悲傷
①(教材p．53)It is clear that human activity has negatively affected all other species on Earth，including animals and plants． ____________
②They were deeply affected by the news of her death． ____________
③Arthritis is a crippling disease which affects people all over the world． ____________
1．(學會斷句)Although it is not unusual/for species to die out naturally，the rate /at which this is now happening/is cause for concern．
[分析]本句是一個________。句中Although it is not unusual for species to die out naturally為________從句；主句中的at which this is now happening為限制性定語從句，修飾先行詞________。
[翻譯]_______________________________________________________________
_____________________________________________________________________
2．(學會斷句)A 2015 study by scientists/who were based at Brown University and Duke University/in the US，looked at how quickly species die out/due to natural causes，that is，the “background extinction rate”．
[分析]本句是一個復合句。A 2015 study為句子的________，looked at為________，how quickly species die out due to natural causes是________從句；句中who were based at Brown University and Duke University in the US為限制性定語從句，修飾先行詞________。
[翻譯]_______________________________________________________________
_____________________________________________________________________
3．(學會斷句)If a sixth mass extinction occurs，scientists/who have studied the issue/believe/that up to three quarters of all species on Earth/could die out．
[分析]本句是一個復合句。句中If a sixth mass extinction occurs 為________從句；who have studied the issue為限制性定語從句，修飾先行詞________；that up to three quarters of all species on Earth could die out是________從句。
[翻譯]_______________________________________________________________
_____________________________________________________________________
4．(學會斷句)In short，if we want to survive，we need to stop destroying the planet/that we live on/and start to protect it．
[分析]本句是一個復合句。句中if we want to survive為________從句；that we live on為限制性定語從句，修飾先行詞________；start to protect it和to stop destroying the planet是并列結構，作need的________。
[翻譯]_______________________________________________________________
_____________________________________________________________________
1．(應用文佳句)The reasons for extinctions are varied．
滅絕的原因多種多樣。
2．(應用文佳句)There is a long list of reasons why so many species are dying out：air and water pollution，forests being destroyed，factory farming and overfishing．
造成如此多的物種滅絕的原因有很多：空氣和水污染、森林被破壞、工業化種植和過度捕撈。
3．(應用文佳句)Of course，as we humans depend on so many species for our survival，we would also be at risk of dying out．
當然，由于我們人類依靠如此多的物種生存，我們也將面臨滅絕的風險。
4．(應用文佳句)In short，if we want to survive，we need to stop destroying the planet that we live on and start to protect it．
簡而言之，如果我們想要生存，我們需要停止破壞我們賴以生存的星球，并開始保護它。
For example，we need to take steps to save endangered species，including setting up special areas where plants and animals can be protected．We need to change how we work and travel by using cleaner，more natural sources of energy，such as wind and solar energy．We also need to improve our farming methods to reduce water，air and land pollution．
Period 2
課文理解
Task 1　整體理解
1—2　AD
Task 2　細節理解
1—4　BDCA
Task 3　多維探究
略
Task 4　課文框架
1．including　2．varied　3．out　4．affected　5．occurs　6．at　7．way　8．how 　9．Improve　10．destroying
課文精粹
Ⅰ一詞多義
1．①vt．獵殺　②vi．搜尋，搜索　③vt．追蹤，追捕
2．①adj．大量的?、趎．塊；堆　③n．大量；許多?、躰．群眾　3．①n．減少的量　②vt．減少?、踤．減少的量
4．①影響　②深深打動；使悲傷?、凼垢腥?br/>Ⅱ長難語句
1．分析：復合句；讓步狀語；the rate
翻譯：雖然物種的自然滅絕并不罕見，但現在滅絕的速度讓人擔憂。
2．分析：主語；謂語；賓語；scientists
翻譯：美國布朗大學和杜克大學的科學家們于2015年進行了一項研究，考察了自然原因導致物種滅絕的速度，即“背景滅絕率”。
3．分析：條件狀語；scientists；賓語
翻譯：研究這個問題的科學家們認為，如果第六次大滅絕發生，地球上多達四分之三的物種可能就會滅絕。
4．分析：條件狀語；the planet；賓語
翻譯：簡而言之，如果我們想要生存，我們需要停止破壞我們賴以生存的星球，并開始保護它。
1 / 5(共20張PPT)
復習任務群一
現代文閱讀Ⅰ
把握共性之“新”　打通應考之“脈”
UNIT 3　CONSERVATION
主題語境 人與自然——人類生存、社會發展與環境的關系
Period 2　課時練案 課文整體閱讀
Section Ⅰ　TOPIC TALK & LESSON 1
√
1．What does the passage mainly talk about
A．The sixth extinction．
B．The extinctions in history．
C．The steps to avoid extinction．
D．The reason for extinction．
2．What's the main idea of paragraph 2
A．Species die out naturally．
B．How quickly species die out．
C．Why so many species are dying out．
D．What effect human activity has on species．
√
√
Read the text carefully and then choose the best answer．
1．When did dinosaurs die out according to the passage
A．More than 500 million years ago．
B．More than 66 million years ago．
C．In the third mass extinction．
D．In the fourth mass extinction．
√
2．Which of the following is one of unnatural reasons for extinctions
A．Volcanic eruptions．
B．Asteroids hitting the Earth．
C．Changes in sea levels．
D．Air and water pollution．
√
3．What has made the species on Earth die out at a higher rate
A．Natural causes．　　 B．Global warming．
C．Human activity． D．No clean water．
4．Why do we need to change the way we live now
A．To avoid a sixth extinction．
B．To live with others in peace．
C．To save natural sources of energy．
D．To work better and travel faster．
√
1．How much do you know about extinction Share it with your classmates．
______________________________________________________________________________________________________________________
2．What should we do to avoid species extinction
______________________________________________________________________________________________________________________
[答案]　略
including
varied
out
affected
occurs
at
way
how
Improve
destroying
1．hunt vi．& vt．獵取，獵殺；搜尋，搜索；追蹤，追捕
①(教材p．110)Yes，many animals are illegally hunted for something they have． ________
②Parent birds began to hunt for food for their young． ______________
③Police are hunting an escaped criminal． ______________
vt．獵殺
vi．搜尋，搜索
vt．追蹤，追捕
2．mass adj．大量的 n．群眾；團；塊；堆；大量；許多
①(教材p．52)These include the third mass extinction，known as the “Great Dying”，which killed 90% to 96% of all species． ___________
②The hill appeared as a black mass in the distance． _________
③There's a mass of work for her to do． _____________
④His music is commercial．It is aimed at the masses． _______
adj．大量的
n．塊；堆
n．大量；許多
n．群眾
3．decrease n．減少；減少的量vi．& vt．減少
①(教材p．52)According to scientists，they include volcanic eruptions，asteroids hitting the Earth from space，changes in sea levels，the decrease of the oxygen content of the sea and global warming． ___________
②They decreased the size of the group from 25 to 15． ________
③The decrease in sales was almost 20 percent． ___________
n．減少的量
vt．減少
n．減少的量
4．affect vt．影響；侵襲；使感染；(感情上)深深打動；使悲傷
①(教材p．53)It is clear that human activity has negatively affected all other species on Earth，including animals and plants． ____
②They were deeply affected by the news of her death． ________________
③Arthritis is a crippling disease which affects people all over the world． ______
影響
深深打動；使悲傷
使感染
1．(學會斷句)Although it is not unusual/for species to die out naturally，the rate /at which this is now happening/is cause for concern．
[分析]本句是一個______。句中Although it is not unusual for species to die out naturally為________從句；主句中的at which this is now happening為限制性定語從句，修飾先行詞_________。
[翻譯]_____________________________________________________
復合句
讓步狀語
the rate
雖然物種的自然滅絕并不罕見，但現在滅絕的速度讓人擔憂。
2．(學會斷句)A 2015 study by scientists/who were based at Brown University and Duke University/in the US，looked at how quickly species die out/due to natural causes，that is，the “background extinction rate”．
[分析]本句是一個復合句。A 2015 study為句子的____，looked at為____，how quickly species die out due to natural causes是____從句；句中who were based at Brown University and Duke University in the US為限制性定語從句，修飾先行詞__________。
[翻譯]__________________________________________________________
_______________________________________________________________
主語
謂語
賓語
scientists
美國布朗大學和杜克大學的科學家們于2015年進行了一項研
究，考察了自然原因導致物種滅絕的速度，即“背景滅絕率”。
3．(學會斷句)If a sixth mass extinction occurs，scientists/who have studied the issue/believe/that up to three quarters of all species on Earth/could die out．
[分析]本句是一個復合句。句中If a sixth mass extinction occurs 為________從句；who have studied the issue為限制性定語從句，修飾先行詞__________；that up to three quarters of all species on Earth could die out是____從句。
[翻譯]_____________________________________________________
___________________________________________________________
條件狀語
scientists
賓語
研究這個問題的科學家們認為，如果第六次大滅絕發生，地
球上多達四分之三的物種可能就會滅絕。
4．(學會斷句)In short，if we want to survive，we need to stop destroying the planet/that we live on/and start to protect it．
[分析]本句是一個復合句。句中if we want to survive為________從句；that we live on為限制性定語從句，修飾先行詞___________；start to protect it和to stop destroying the planet是并列結構，作need的____。
[翻譯]_____________________________________________________
___________________________________________________________
條件狀語
the planet
賓語
簡而言之，如果我們想要生存，我們需要停止破壞我們賴以
生存的星球，并開始保護它。
1．(應用文佳句)The reasons for extinctions are varied．
滅絕的原因多種多樣。
2．(應用文佳句)There is a long list of reasons why so many species are dying out：air and water pollution，forests being destroyed，factory farming and overfishing．
造成如此多的物種滅絕的原因有很多：空氣和水污染、森林被破壞、工業化種植和過度捕撈。
3．(應用文佳句)Of course，as we humans depend on so many species for our survival，we would also be at risk of dying out．
當然，由于我們人類依靠如此多的物種生存，我們也將面臨滅絕的風險。
4．(應用文佳句)In short，if we want to survive，we need to stop destroying the planet that we live on and start to protect it．
簡而言之，如果我們想要生存，我們需要停止破壞我們賴以生存的星球，并開始保護它。
For example，we need to take steps to save endangered species，including setting up special areas where plants and animals can be protected．We need to change how we work and travel by using cleaner，more natural sources of energy，such as wind and solar energy．We also need to improve our farming methods to reduce water，air and land pollution．
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