必修二unit4课本配套课件.

1、话题话题9 9 生物保护生物保护名名师师指指津津基础知识自测基础知识自测一、单词识记一、单词识记 1. _ n. 野生动植物野生动植物2. _ n. 地毯地毯3. _ n. 蚊子蚊子4. _ n. 昆虫昆虫5. _ n. 收入收入wildlifecarpetmosquitoinsectincome 6. _ n. 事件事件; 事变事变7. _ n. 灰尘灰尘; 尘土尘土; 尘埃尘埃8. _ n. 地域地域; 地带地带; 地区地区9. _ vt. 检查检查; 视察视察10. _ vt. 擦擦; 摩擦摩擦incidentdustzoneinspectrub 11. _ v. 回答回答; 响应响应1

2、2. _ vt. 影响影响; 感动感动; 侵袭侵袭13. _ v. 减少减少;变小变小14. _ adj. 远的远的; 远处的远处的15. _ vt. 包含包含; 包括包括respondaffect decrease distant contain 二、单词拓展二、单词拓展 (A)单词派生单词派生 1. _ vt. 保护保护 _ n. 保护保护protectprotection2. _ n.仁慈；宽恕仁慈；宽恕 _ adj.仁慈的；怜悯的仁慈的；怜悯的3. _ n. 重要性重要性 _adj. 重要的重要的importanceimportantmercymerciful4. _ vi. 成功成功

3、; vt. 继承继承; 接任接任 _ n. 成功成功 _ adj. 成功的成功的 _ adj. 不成功的不成功的succeed successsuccessfulunsuccessful5. _ n. /vt. 损害损害; 伤害伤害; 危害危害 _ adj. 有害的有害的 _ adj. 无害的无害的harmharmful harmless(B)灵活运用灵活运用 用所给词的适当形式填空。用所给词的适当形式填空。1. The _ (protect) of wildlife has become urgent because more and more animals are dying out.

4、在在theof sth.结构中结构中, 需要一个名词。需要一个名词。protection3. Most of the students _ (success) passed the exam in the end.修饰动词修饰动词passed, 故用副词。故用副词。2. The _ (mercy) king saved the poor old man.修饰名词修饰名词king, 故用形容词。故用形容词。successfullymerciful 4. The old man told his son that he should realize the _ (important) of sav

5、ing.在在theof sth.结构中结构中, 需要一个名词需要一个名词。5. It is _ (harm) to smoke too much. 作表语作表语, 结合意思可知应填结合意思可知应填harmful。importance harmful 三、短语翻译三、短语翻译 1. _ 在危险中在危险中; 垂危垂危2. _ 如释重负如释重负; 松了口气松了口气3. _ 突然笑起来突然笑起来4. _ 注意注意pay attention to in danger (of)in reliefburst into laughter5. _ 形成形成; 产生产生6. _ 按照按照; 根据根据所说所说7.

6、_ 灭亡灭亡; 逐渐消失逐渐消失8. _ 以至于以至于; 结果结果so that come into beingaccording todie out9. _ 和平地；和睦地和平地；和睦地10. _ 保护保护不受不受11. _ 渴望做某事渴望做某事12. _ 被用来做被用来做be used to doin peaceprotect .fromlong to do sth.四、语篇填空四、语篇填空 Many animals have disappeared during the long history of the earth. 1 _most famous of these animals

7、are dinosaurs. 2 _ lived on the earth tens of millions of years ago, long 3 _humans came into being and their future seemed secure 4 _ that time. There were many 5 _ (difference) kinds of dinosaur and a number of them used to live in China. The They before at different Not long ago a rare new specie

8、s of bird-like dinosaur 6 _ (discover) in Chaoyang County, Liaoning Province. When scientists inspected the bones, they were surprised 7 _(find) that these dinosaurs could not only run like the others but also climb trees. was discovered to find Dinosaurs died out suddenly about 65 million years ago

9、. Some scientists think it came after an 8 _ (expect) incident when a huge rock from space hit the earth and put too much dust into the air. 9 _ think the earth got too hot for the dinosaurs to live on any more. Nobody knows for sure 10 _ and how dinosaurs disappeared from the earth in such a short

10、time.unexpected Others why 1. The 最高级前用最高级前用the。2. They 替代前句中的替代前句中的dinosaurs。3. before 指在人类出现很久之前。指在人类出现很久之前。4. at 表示表示“在那时在那时”是是at that time。5. different 在名词在名词kinds前作定语，用前作定语，用形容词。形容词。6. was discovered 主语与主语与discover是被动是被动关系，又与关系，又与ago连用，可知用一般过去时连用，可知用一般过去时的被动语态。的被动语态。7. to find 在作表语和补语的形容词后作在作表语

11、和补语的形容词后作状语只能用不定式。状语只能用不定式。8. unexpected 指指“突如其来的突如其来的”事件。事件。9. Others 与上面的与上面的Some scientists相对。相对。10. why 指没有人确切知道为什么又是怎指没有人确切知道为什么又是怎么样恐龙在地球上消失的。么样恐龙在地球上消失的。五、语段改错五、语段改错 The flown carpet travelled so fast that nextminute they were in Zimbabwe. Daisy turneddown and found that she was being watched

12、by an elephant. “Have you come to take yourphoto?” it asked. flyingturned around/ roundmyIn a relief Daisy burst into laughing. “Dontlaugh,” said the elephant, “We used to be anendangered species. Farmers hunted us withmercy. They said we destroied their farms,and money from tourists only went to th

13、e large tour companies. laughterwithoutdestroyedSo the government decided help. Theyallowed tourists to hunt only the certain number of animals whether they paid the farmers. Now the farmers are happy and our numbers are increasing.”toa certain number ofif1. flown flying 表示表示“正在飞行的正在飞行的”。2. turned d

14、own turned around / round 意为意为“转过身来转过身来”。3. your my 意思是：你来给意思是：你来给“我我”拍照？拍照？4. 删除删除In a relief 中的中的a 因因in relief是固定是固定词组，意为词组，意为“如释重负如释重负”。5. laughing laughter 习惯上说习惯上说burst into laughter或或burst out laughing。因此，也。因此，也可不改可不改laughing，而将，而将into改为改为out。6. with without 因因without mercy 意为意为“毫不留情毫不留情”。7. d

15、estroied destroyed 拼写错误。拼写错误。8. 在在decided后加后加to 由由decide to do sth.可可知。知。9. the certain number of a certain number of 意为意为“一定数量的一定数量的”。10. whether if 引出条件状语从句，意引出条件状语从句，意为为“如果如果”。重点词汇讲练重点词汇讲练1. contain vt. 包含；容纳；克制包含；容纳；克制例句例句 It contains a powerful drug which affects mosquitoes.它含有一它含有一种强效的药物，可以防止蚊

16、叮虫咬。种强效的药物，可以防止蚊叮虫咬。运用运用 She could hardly _ (抑制激动抑制激动). contain herexcitement2. appreciate vt. 欣赏；感激；意识到欣赏；感激；意识到例句例句 You should pay more attention to the rainforest where I live and appreciate how the animals live together.你们应该关你们应该关注我生活的热带雨林，并且懂得热带雨林注我生活的热带雨林，并且懂得热带雨林的动物是如何在一起生活的。的动物是如何在一起生活的。用法用法

17、 appreciate 一般用名词、代词或动一般用名词、代词或动名词充当宾语，但不能接不定式作宾语。名词充当宾语，但不能接不定式作宾语。搭配搭配 Id appreciate it if 如果如果我我会很感激。会很感激。注意注意 appreciate和和thank都可表示都可表示“感激，感谢感激，感谢”，但，但appreciate的的宾语是宾语是sth. ,而而thank的宾语是的宾语是sb.。运用运用 (1) I would much appreciate_ if you could come to my party.it(2)We_ (感谢你帮助我们感谢你帮助我们). appreciate

18、your helping us /thank you for helping us /are grateful to you for helping us3. succeed vi. 成功成功 vt. 接替接替; 继任继任例句例句 What must be done if wildlife protection is to succeed? 如果野生动如果野生动物保护要成功的话，我们必须要做些物保护要成功的话，我们必须要做些什么什么?succeed in doing sth.成功做某事成功做某事be successful in doing sth.成功做某事成功做某事搭配搭配运用运用 根据提示

19、完成句子。根据提示完成句子。 The astronauts_(成功返回成功返回) from the moon to the earth according to the plan. succeeded in returning He_ (接替他父亲接替他父亲) as president of the company.succeeded his father4. employ vt. 雇用雇用; 利用利用(时间、精时间、精力等力等)例句例句 The company employs 1,200 people.该公司雇用了该公司雇用了1200人。人。写出下列词语的汉语意思。写出下列词语的汉语意思。

20、employee n. _ employer n. _ employment n. _ unemployment _(5)the unemployed _派生派生雇员，雇工雇员，雇工雇主雇主雇用雇用;受雇受雇失业失业失业的人失业的人思考思考 研读下列例句，归纳研读下列例句，归纳employ的常的常用搭配。用搭配。He was employed as a bus driver. They employed her to look after the baby. She employs her free time in sewing/ to sew. He employed himself in

21、(=was employed in /was busy) watering the garden.根据以上例句，可归纳如下搭配。根据以上例句，可归纳如下搭配。 employ sb._ 雇用某人为雇用某人为 employ sb. _ sth. 雇用某人做某事雇用某人做某事 employ sth._ sth. 利用某利用某物干某事物干某事 employ oneself in = be _ 从事从事/忙于忙于 搭配搭配employed inasto doto do /in doing/busy5. harm n.& vt.损害损害; 危害危害例句例句 Hard work never did anyo

22、ne any harm. 努力工作对努力工作对谁都没有害处。谁都没有害处。搭配搭配do harm to sb. =do sb. harm对某人有害处对某人有害处come to no harm 没受损害没受损害There is no harm in doing做做是无害是无害的的谚语谚语 Harm set，harm get. 害人反害己。害人反害己。运用运用 根据汉语意思完成英语句子。根据汉语意思完成英语句子。 不妨一试。不妨一试。There is no harm _. Our dog wont_ (伤害你伤害你). in tryingharm you6. die out (指物种指物种)灭绝灭

23、绝; 火慢慢熄灭火慢慢熄灭; 渐渐渐渐消亡消亡原句原句 As a result these endangered animals may even die out. 结果这些濒危结果这些濒危动物甚至可能会灭绝。动物甚至可能会灭绝。(B2P25)例句例句 Many wild animals have died out in the past few years. 许多野生动物在过去许多野生动物在过去几年灭绝了。几年灭绝了。die away 减弱减弱(以致觉察不到以致觉察不到)；淡化；淡化die of 死于死于(饥饿；疾病饥饿；疾病)die from 死于死于(外界引起的外界引起的)be dyin

24、g forto do sth. 渴望渴望联想联想(2) The young mans grandfather died _ (死于死于) a heart attack.(1) A great number of people died _ (死于死于) the earthquake which broke out at midnight years ago. from of 运用运用 填入一个恰当的词。填入一个恰当的词。例句例句 Why are some valuable plants in danger of disappearing? 为什么有些珍稀为什么有些珍稀植物有消失的危险？植物有消

25、失的危险？7. in danger (of)在危险中在危险中; 垂危垂危原句原句 Why are they in danger of disappearing？它们为什么会有消失的危？它们为什么会有消失的危险？险？(B2P25)in need of 需要需要in honor of 纪念纪念 (in memory of)in search of 寻找寻找in charge of 掌管；负责掌管；负责联想联想运用运用 Although he was _ (处于危险中处于危险中) at the beginning, he finally was _ (脱离危险脱离危险).in dangerout o

26、f danger例句例句 It is necessary for us to protect our eyes from sunshine. 有必要保护我们的眼有必要保护我们的眼睛免受阳光伤害。睛免受阳光伤害。原句原句 “Im protecting myself from mosquitoes, ” it replied. “我在防蚊虫叮我在防蚊虫叮咬咬, ”它回答说。它回答说。(B2P26)8. protectfromagainst保护保护不不受受 (危害危害)区别区别 prevent/stop/keep sb. from doing 阻止某人做某事阻止某人做某事(1) People are

27、 becoming aware of the necessity _ _ (保护环境免受污染保护环境免受污染).(2) I tried many times to _ _ (阻止他吸烟阻止他吸烟), but I failed at last.to protect the environmentfrom pollutionstop him from smokingprevent/keep/运用运用 根据提示完成下列句子。根据提示完成下列句子。原句原句 You should pay more attention to the rainforest where I live and apprecia

28、te how the animals live together. 你们应该多加关你们应该多加关注我们生活的热带雨林注我们生活的热带雨林, 并且懂得热带雨林并且懂得热带雨林的动物是如何在一起生活的。的动物是如何在一起生活的。(B2P26)例句例句 The government should pay more attention to poor peoples need. 政府应该政府应该更加关注穷人们的需求。更加关注穷人们的需求。9. pay attention to 注意注意catch sbs attention 吸引某人的注意力吸引某人的注意力draw sbs attention to s

29、th. 吸引某人注意吸引某人注意某事物某事物联想联想 The famous film stars performance _ (吸引了所吸引了所有人的注意力有人的注意力). As teachers, we should _ _ (更加注更加注意学生的反应意学生的反应) in classes.运用运用 根据提示完成下列句子。根据提示完成下列句子。caught all peoples attentionpay moreattention to students reaction原句原句 They lived on the earth tens of millions years ago, long

30、 before humans came into being and their future seemed secure at that time. 千百万年前千百万年前, 恐龙就恐龙就在地球上生活在地球上生活, 比人类的出现要早得多比人类的出现要早得多, 当时它们的前景好像也很安全。当时它们的前景好像也很安全。(B2P30)10. come into being形成；产生形成；产生例句例句 Scientists have found out how the world came into being at the very beginning. 科学家们科学家们老早已经查明世界形成的原因。

31、老早已经查明世界形成的原因。联想联想come into effect 实施实施come into use 投入使用投入使用come into power 上台执政上台执政运用运用 用用use, power或或effect填空。填空。 The new law will come into _next week. The new machines bought last month will come into _ tomorrow. The president of America has come into _since 2010. powereffect use写作句型仿写写作句型仿写原句原

32、句 Daisy had always longed to help endangered species of wildlife. 黛茜一直渴望着帮助濒危野生动物。黛茜一直渴望着帮助濒危野生动物。(B2P26)1. long to do sth. /long for sth. 渴望渴望做某事；渴望做某事；渴望例句例句 Mike has always longed to have a camera to record the beauty of nature. 迈克一直渴望着拥有一迈克一直渴望着拥有一台相机来记录下自然的美丽。台相机来记录下自然的美丽。 A great number of you

33、ng people in the country _ (渴渴望城市生活望城市生活).仿写仿写 根据汉语意思完成英文句子。根据汉语意思完成英文句子。long for city life The students in our class _ _ (渴望上英语课渴望上英语课).long tohave English classes原句原句 There Daisy saw an antelope looking sad. 在那里在那里, 戴茜看到一只藏戴茜看到一只藏羚羊面带忧郁的神色。羚羊面带忧郁的神色。(B2P26)2. see sb. doing sth. 看到某人在做某事看到某人在做某事说明说

34、明 see/ watch/ notice/ hear/ observe + sb.+ doing sth. 看到看到/注意到注意到/听到听到/观察到某人做某事观察到某人做某事例句例句 The girl saw the thief stealing the womans purse. 这女孩看见那个这女孩看见那个小偷在偷那妇女的钱包。小偷在偷那妇女的钱包。仿写仿写 我昨晚看见他在跟她谈话。我昨晚看见他在跟她谈话。I _ with her last night. saw him talking3. be used to do 被用来做被用来做例句例句 Computer is being used

35、to solve many difficult scientific problems. 电脑电脑被用来解决很多困难的科学问题。被用来解决很多困难的科学问题。原句原句 Our fur is being used to make sweaters for people like you. 我们的皮毛我们的皮毛备用来做像你一样的人的毛衣。备用来做像你一样的人的毛衣。(B2P26) 联想联想sb. be used to doing sth. 某人习某人习惯于做某事惯于做某事sth. be used to do某物被用来某物被用来做做used to do sth. 过去常做某事过去常做某事仿写仿写 他

36、过去常和朋友们一起玩，而他过去常和朋友们一起玩，而现在他已经习惯于独处了。现在他已经习惯于独处了。He _with his friends，but now he _ alone. is used to staying used to play4. some.others. 一些一些另一些另一些 too .to. 太太而不能而不能原句原句 Some . Others think the earth got too hot for the dinosaurs to live on any more.其他人认为地球变得太热，其他人认为地球变得太热，以至于恐龙生活不下去了。以至于恐龙生活不下去了。(B

37、2P30)例句例句 Some people think this problem is nothing， but others think it is too difficult to solve. 有有些人认为这个问题不值一提，而些人认为这个问题不值一提，而另一些人则认为这问题太难解决另一些人则认为这问题太难解决了。了。仿写仿写 假期时假期时, 有些人会去旅游有些人会去旅游, 另一另一些人则只是待在家里。些人则只是待在家里。During holidays, _ would go travelling while _ would just stay at home.others some people例句例句 My brother lives in the room with its window facing south. 我弟弟住在窗户向南我弟弟住在窗户向南的房间里。的房间里。5. with+宾语宾语+非谓语动词宾补非谓语动词宾补原句原句 She turned around and there was an antelope with a sad face looking at her. 她转过身来，一只羚羊一脸苦相望着她。她转过身来，一只羚羊一脸苦相望着她。(B2P26)说明说明 该结构在句中除用作定语外该结构在句中除用作定语外, 还可用还可用作状语作状语, 表原因、伴随