必修2Unit 4 知识点.ppt
《必修2Unit 4 知识点.ppt》由会员分享,可在线阅读,更多相关《必修2Unit 4 知识点.ppt(51页珍藏版)》请在淘文阁 - 分享文档赚钱的网站上搜索。
1、Unit 4 Wildlife protectionReading()Retelling One day Daisy went to see the animals that gave fur to make her _ in a flying carpet.It flew away to _ in China first,where she saw an _.The antelope told her that they were killed for the _ that was taken from their _.sweater Tibetantelope woolstomachs T
2、hen the carpet flew away to _,where Daisy saw an _.The elephant said they used to be an endangered species in Zimbabwe._ hunted them without _.Now the government allowed tourists to hunt only a _ number of animals if they paid the farmers.The flying carpet rose again and almost at once they were in
3、thick _.Zimbabwe elephantFarmersmercycertainrainforest A _ was rubbing a millipede _ which contains a powerful _ over his body because it could protect him from _.So Daisy decided to produce this new drug with the help of _.The carpet rose and flew home.monkeyinsectdrugmosquitoesWWFLanguage points1.
4、As a result these endangered animals may even die out.结果这些处于危险中的动物甚至可能会灭绝。结果这些处于危险中的动物甚至可能会灭绝。die out 灭亡;逐渐消失灭亡;逐渐消失Scientists said that those plants died out a century ago.科学家们说那些植物一个世纪前就灭绝了。科学家们说那些植物一个世纪前就灭绝了。Many old customs are dying out.许多古老的风俗正逐渐消失。许多古老的风俗正逐渐消失。【拓展拓展】die out 绝种,灭绝;熄灭;绝种,灭绝;熄灭;
5、(风俗、习惯等风俗、习惯等)逐渐消失逐渐消失die for 渴望;很想渴望;很想die off (家族、种族等家族、种族等)相继死亡;相继死亡;(草木草木)先后枯死先后枯死die away (声音、光线、风等声音、光线、风等)渐弱,渐息,平息渐弱,渐息,平息die down (火、光线、情绪、暴风雨等火、光线、情绪、暴风雨等)渐弱,渐息;渐弱,渐息;(声音声音)静下来静下来die of/from 因因而死而死【即学即练即学即练】1.The noise of the car in the distance.2.The old traditions are .3.The man a wound.4
6、.Im something to eat.1.died away 2.dying out 3.died from 4.dying for You are great!2.Why are they in danger of disappearing?它们为什么处于灭绝的危险中?它们为什么处于灭绝的危险中?in danger(of)在危险中;垂危在危险中;垂危The girls life was obviously in immediate danger.很明显很明显,这女孩的生命危在旦夕。这女孩的生命危在旦夕。The sick man is in danger of death.这位病人有死亡的
7、危险。这位病人有死亡的危险。表示表示“危险危险”,是不可数名词,是不可数名词;表示表示“危险的人或物危险的人或物”,是可数名词。是可数名词。注意注意【拓展拓展】in danger在危险中在危险中out of danger脱离危险脱离危险be a danger to sb./sth.危险的人危险的人/因素因素be dangerous for 对对有危险有危险endanger vt.危害,危及危害,危及endangered adj.有危险的;濒临灭绝的有危险的;濒临灭绝的【即学即练即学即练】The workers are busy with the repairs of the temple,wh
8、ich is _ of collapsing.A.out of danger B.dangerous C.in danger D.of danger【解析解析】选选C。句意:工人们忙于庙宇的修理,这座庙宇。句意:工人们忙于庙宇的修理,这座庙宇处于倒塌的危险之中。处于倒塌的危险之中。out of danger 脱离危险,脱离危险,dangerous危险的,危险的,D项表述错误。项表述错误。3.In relief Daisy burst into laughter.黛茜如释重负,突然笑了起来。黛茜如释重负,突然笑了起来。(1)relief n.(痛苦或忧愁的痛苦或忧愁的)减轻或解除;减轻痛苦的事减
9、轻或解除;减轻痛苦的事in relief 如释重负;松了口气如释重负;松了口气Hearing he has passed the exam,in relief he went out to play.听说通过了考试,他如释重负,出去玩了。听说通过了考试,他如释重负,出去玩了。When we heard that she has arrived safely,we breathed a sigh in relief.当我们听说她已经安全到达了,我们如释重负地舒了口气。当我们听说她已经安全到达了,我们如释重负地舒了口气。(2)burst into laughter 突然笑起来;大声笑了出来突然笑起
10、来;大声笑了出来burst out 与与burst into 后跟的形式不同。后跟的形式不同。On hearing the exciting news,she burst into laughter/burst out laughing.听到这条令人兴奋的消息,她突然大笑起来。听到这条令人兴奋的消息,她突然大笑起来。The audience burst into applause.观众爆发出一阵掌声。观众爆发出一阵掌声。Benny suddenly burst into tears/burst out crying.本尼突然放声大哭起来。本尼突然放声大哭起来。4.“Im protecting
11、myself from mosquitoes,”it replied.它回答说:它回答说:“我这样做可以防止蚊虫叮咬。我这样做可以防止蚊虫叮咬。”protect from保护保护不受不受(危害)(危害)He is wearing sunglasses to protect his eyes from the strong sunlight.他戴着太阳镜以遮挡强烈的阳光来保护他的眼睛。他戴着太阳镜以遮挡强烈的阳光来保护他的眼睛。Young plants should be well protected from the cold.幼苗必须被很好地保护以免受冻。幼苗必须被很好地保护以免受冻。【拓展
12、拓展】protect.against.后接较大的事情,如:战争、灾害、后接较大的事情,如:战争、灾害、重税、威胁等。重税、威胁等。keep sb.from doing sth.阻止某人做某事阻止某人做某事 prevent/stop sb.(from)doing sth.阻止某人做某事阻止某人做某事defend.from/against 保卫保卫以抵御以抵御 Use the umbrella to_ yourself from the rain.A.prevent B.protect C.defend D.protection【解析解析】选选B。句意:用伞保护你自己免受雨淋。句意:用伞保护你自己
13、免受雨淋。prevent sb.from doing sth.防止某人干某事,防止某人干某事,意思类似于意思类似于stop/keep sb.from doing sth.;protect sb.from sth.保护某人免遭伤害;保护某人免遭伤害;defend保卫;防护;防守(含有采取措施抵制进攻的意思)。保卫;防护;防守(含有采取措施抵制进攻的意思)。【即学即练即学即练】5.It contains a powerful drug which affects mosquitoes.它含有一种强效的药物可以防止蚊虫叮咬。它含有一种强效的药物可以防止蚊虫叮咬。(1)contain vt.包含;容纳
14、;容忍包含;容纳;容忍 Orange juice contains things which help keep you healthy.橘汁里含有有益于健康的东西。橘汁里含有有益于健康的东西。This fruit contains a lot of vitamins.这个水果含有丰富的维他命。这个水果含有丰富的维他命。【拓展拓展】contain 除了具有除了具有“包含;包括包含;包括”的意思之外,还可表示为的意思之外,还可表示为“容纳容纳(hold);抑制;抑制(control)”的意思。的意思。This room can contain/hold 50 people.这间屋子能容纳这间屋子
15、能容纳50人。人。He was so excited that he could hardly contain himself.他激动得不能自已。他激动得不能自已。【辨析辨析】include/contain include侧重指范围,其主语和宾语属于同类,是整体与部分侧重指范围,其主语和宾语属于同类,是整体与部分的关系。后面常接名词、代词、动名词作宾语。的关系。后面常接名词、代词、动名词作宾语。The trip includes a visit to Beijing.旅行包括到北京参观。旅行包括到北京参观。contain vt.表示表示“包含,含有;能容纳包含,含有;能容纳”,侧重指内容或成分
16、,其主语和宾语不属于同类。侧重指内容或成分,其主语和宾语不属于同类。Try to avoid food which contains a lot of fat.尽量避免吃一些脂肪含量高的食物。尽量避免吃一些脂肪含量高的食物。(2)affect vt.影响;感动;侵袭影响;感动;侵袭The disease is beginning to affect her brain.疾病开始侵袭她的大脑。疾病开始侵袭她的大脑。We are deeply affected by his devotion to work.他对工作的奉献令我们深受感动。他对工作的奉献令我们深受感动。The amount of r
17、ain affects the growth of crops directly.降雨量直接影响庄稼生长。降雨量直接影响庄稼生长。【拓展拓展】effect n.影响;作用;效果;效力影响;作用;效果;效力have an effect on 对对有影响有影响in effect 正在实行;实际上正在实行;实际上take effect 开始实行;开始生效开始实行;开始生效without effect 没有效果没有效果come into effect 生效;实施生效;实施bring/carry sth.into effect 使使生效生效【即学即练即学即练】1.Even if they didnt t
18、he cost of food in the tour,its still a cheap vacation to the U.S.A.hold B.contain C.share D.include【解析解析】选选D。句意:即便在这次旅行中不包含食物的花费,。句意:即便在这次旅行中不包含食物的花费,这仍是一个便宜的去美国的度假。根据句意应为这仍是一个便宜的去美国的度假。根据句意应为“包含包含”;A项项“容纳容纳”,C项项“分享分享”,D项项“包含;包括包含;包括”。contain多用来强调所包含的内容本来就是物体固有的一部分。而多用来强调所包含的内容本来就是物体固有的一部分。而include
19、 则表示整体与部分的关系。则表示整体与部分的关系。2.Sichuan Province by the earthquake,causing difficulties to the post festival road transport.【2012西安高一检测西安高一检测】A.were affected B.was affectedC.had effected D.has affected【解析解析】选选B。句意:四川省受到地震的侵袭,引起了节后。句意:四川省受到地震的侵袭,引起了节后交通运输的困难。交通运输的困难。affect 为动词,意思是为动词,意思是“影响;感动;侵影响;感动;侵袭袭”
20、;effect为名词,为名词,意思是意思是“影响;效果影响;效果”。6.You should pay more attention to the rainforest where I live and appreciate how the animals live together.你们应该多加关注我生活的热带雨林,并且懂得热带雨林的你们应该多加关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。动物是如何在一起生活的。(1)pay attention to 注意注意 You should pay attention to your spelling.你要注意自己的拼写。你要注意自
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 必修2Unit 知识点 必修 Unit
限制150内