高中英语必修二课件Unit 4part2.ppt（纯ppt,不包含音视频素材）

1、Part 2 Vocabulary ExpansionWarm up and Pre-readingIf their habitat is threatened or they cannot find enough food their number may decrease.如果其栖息地受到威胁如果其栖息地受到威胁,或者无法觅取足够的食物或者无法觅取足够的食物,它们的数量就它们的数量就可能减少。可能减少。(P25)1.decrease vt.&vi.&n.减少减少,降低降低 熟读深思熟读深思 The price of this type of MP3 player has decreased

2、 by 15%.(词性词性_；意义；意义 _；搭配搭配_ 表示表示_)减少了减少了 vi.减少减少decrease by The number of new students decreased from 210 to 160 this year.(词性词性 _；意义；意义_；搭配搭配 _ 表示表示“从从减少到减少到”)vi.decrease(from.)to.减少减少 They are making every effort to decrease the production cost.(词性词性 _；意义；意义 _)The decrease in unemployment was 30

3、percent.(词性词性_；意义；意义 _)vt.减少减少n.减少减少decrease by 减少了减少了decrease(from.)to.(从从)减少到减少到increase v.&n.增加，增长增加，增长increase by 增加了增加了increase(from.)to.从从)增加到增加到 归纳总结归纳总结 灵活运用灵活运用 用用decrease或或increase的正确的正确形式填空。形式填空。The number of visitors 1 _ _sharply in the past two months.The 2 _ worries the manager.“Someth

4、ing must be done to 3 _ the number of visitors.”he thought.increase has decreased/has been decreasingdecreaseAs a result these endangered animals may even die out.结果结果,这些濒危动物这些濒危动物甚至可能灭绝。甚至可能灭绝。(P25)2.die out灭绝；绝迹灭绝；绝迹(习俗、做法等习俗、做法等)消失消失 熟读深思熟读深思 阅读下列句子阅读下列句子,体会与体会与die相关短相关短语的不同意思。语的不同意思。Elephants wo

5、uld die out if man shot as many as they wished.He hid behind the door until the foot steps had died away.灭绝灭绝 逐渐减弱，逐渐消失逐渐减弱，逐渐消失 归纳总结归纳总结 be dying to do sth.极想做某事极想做某事die away 逐渐减弱，逐渐消失逐渐减弱，逐渐消失die of/from 因因而死而死 灵活运用灵活运用 用用the death of、die from、die out、dying to的正确形式填空。的正确形式填空。Kathy is always 1 _ se

6、e species of wildlife.She appreciates that many types of plants and animals 2 _ in the wild every year,and most of them 3 _ too much hunting and destruction of their habitats.She bursts into tears every time she hears about 4 _ wild animals.the death ofdying todie outdie from.too much hunting in the

7、 1950s.在在20世纪世纪50年代的过度捕猎。年代的过度捕猎。(P25)3.hunt vt.&vi.&n.打猎打猎,搜寻搜寻 熟读深思熟读深思 阅读下列句子阅读下列句子,归纳归纳hunt的的词性和意义。词性和意义。Police are hunting for a thief who broke into the house yesterday.(词性词性 _；意义；意义 _；搭配搭配 hunt for 意为意为 _)寻找寻找 v.搜寻搜寻 Hundreds have joined in a police hunt for the missing teenager.(词性词性 _；意义；意义

8、 _)Since the 1970s tiger hunting has been illegal in this country.(词性词性 _；意义；意义 _)搜寻搜寻 n.打猎，狩猎打猎，狩猎 n.hunt for搜寻；追踪搜寻；追踪(=look for;search for)go hunting去打猎去打猎 归纳总结归纳总结 灵活运用灵活运用 用用hunt，hunter，hunting，hunt for填空。填空。Mr.Smith is an excellent _ who used to make a living by _ wild animals.After wild anima

9、l _ was forbidden he had to go to the city to _ a new job.hunt for hunterhunting hunting.about 30-40 remain after being left in peace with no hunting.在免受捕猎在免受捕猎打扰后打扰后,约有约有30到到40只存留下来。只存留下来。(P25)4.in peace 和平和平,和睦和睦,安详地安详地 熟读深思熟读深思 阅读下列句子阅读下列句子,指出短语的指出短语的不同意思。不同意思。He just wants to be left in peace.(意

10、义意义 _)The countries have been at peace for more than a century.(意义意义 _)处于和平局面处于和平局面 平静；安静平静；安静at peace 处于和平局面处于和平局面at war处于战争状态处于战争状态 归纳总结归纳总结 灵活运用灵活运用 All the villagers live together _.The two countries used to be _ with each other.Fortunately,now they are _.at peacepeaceinat warReading and Compreh

11、endingIn relief Daisy burst into laughter.戴茜如释重负戴茜如释重负,突然笑了起来。突然笑了起来。(P26 Line16)5.in relief 如释重负；松了口气如释重负；松了口气 熟读深思熟读深思 All the people present cheered in relief when they heard the danger had passed.当他们听说危险已经过去时当他们听说危险已经过去时,在场的人如释重在场的人如释重负负。Much to my relief,the car was not damaged.令我非常庆幸的是车并没有损坏。令

12、我非常庆幸的是车并没有损坏。灵活运用灵活运用 听到儿子安全归来的消息听到儿子安全归来的消息,他如释重负地他如释重负地笑了笑了。Hearing the news that his son has returned home safe,_.男孩脱离危险了男孩脱离危险了,令他大大松了一口气令他大大松了一口气。_ the boy was out of danger.Much to his relief/To his great reliefhe smiled in relief归纳总结归纳总结to ones relief 令人宽慰的是；令人宽慰的是；令人庆幸的是令人庆幸的是 熟读深思熟读深思 When

13、 I told her the bad news,Helen burst into tears/burst out crying.当我把这个坏消息当我把这个坏消息告诉海伦时告诉海伦时,她泪水顿时夺眶而出。她泪水顿时夺眶而出。All of the classmates burst into laughter/burst out laughing when David acted out the play.当戴维表演戏剧时当戴维表演戏剧时,全班同学大笑起来。全班同学大笑起来。6.burst vt.爆发；突发爆发；突发 burst into tears=burst out crying 突然哭起来突

14、然哭起来burst into laughter=burst out laughing 突然笑起来突然笑起来 归纳总结归纳总结灵活运用灵活运用 一听到竞赛的结果一听到竞赛的结果,女孩就失声痛哭起来女孩就失声痛哭起来。_ _the result of the competition.观众们时不时爆发出笑声观众们时不时爆发出笑声。The audience _ _.The girl burst into tears/burst out cryingburst into laughter/burstout laughing from time to timeon hearing 7.protect fr

15、om 保护保护免免受受(危害危害)Im protecting myself from mosquitoes.我在保护自己免受蚊虫叮咬。我在保护自己免受蚊虫叮咬。(P26)熟读深思熟读深思He was wearing sunglasses to protect his eyes from the strong sunlight.他戴他戴上太阳镜以保护眼睛免受日光的强烈上太阳镜以保护眼睛免受日光的强烈照射。照射。灵活运用灵活运用雨伞可以保护你不受淋雨。雨伞可以保护你不受淋雨。An umbrella will _.protect you fromthe rain It contains a powe

16、rful drug which affects mosquitoes.它含有一种强效的它含有一种强效的药物可以防止蚊虫叮咬。药物可以防止蚊虫叮咬。(P26)8.contain vt.包含；容纳；容忍包含；容纳；容忍(have sth.inside or as a part of)熟读深思熟读深思 阅读下列句子阅读下列句子,归纳归纳contain的词性和意义。的词性和意义。This book contains many new ideas.(意义意义_)包含包含 The hall can contain(hold/seat)500 people.(意义意义_)At the sight of th

17、is cruelty,they could hardly contain(=control/hold back)their anger.(意义意义_)容忍容忍 容纳容纳(=hold)归纳总结归纳总结contain oneself 克制自己克制自己container n.容器容器(such as a box,can,or jar);集装箱集装箱 灵活运用灵活运用 根据汉语意思完成句子。根据汉语意思完成句子。他的演讲包含着一些有趣的思想。他的演讲包含着一些有趣的思想。His speech _.contains/contained someinteresting ideas 我如此愤怒我如此愤怒,以

18、致于无法控制自己。以致于无法控制自己。I am so angry_.这个教室可容纳这个教室可容纳100人之多。人之多。_ up to 100 people.The classroom can hold/contain that I cant control/containmyself熟读深思熟读深思 A sudden change of the weather may affect your health.(词性词性 _；意义；意义 _)This disease affects millions of people in the world every year.(词性词性 _；意义；意义 _

19、)vt.影响影响vt.使感染使感染 9.affect vt.影响；感动；侵袭影响；感动；侵袭 Most people were affected by his speech.(词性词性 _；意义；意义 _)Punishment almost has no effect on the naughty boy.(词性词性 _；意义；意义 _)vt.使感动使感动n.影响影响 effect n.影响；效果影响；效果have an effect on对对有影响有影响 归纳总结归纳总结灵活运用灵活运用他的意见不会影响我的决定。他的意见不会影响我的决定。His opinion will not _my de

20、cision.affect 他的演讲深深感动了同学们。他的演讲深深感动了同学们。His speech _.这部电影对她影响很大。这部电影对她影响很大。The film had a great _.effect on heraffected the students deeplyYou should pay more attention to the rainforest where I live and appreciate how the animals live together.你们应该你们应该多加关注我的生活的热带雨林多加关注我的生活的热带雨林,并且懂并且懂得热带雨林的动物是如何在一起

21、生活得热带雨林的动物是如何在一起生活的。的。(P26)10.pay attention to 注意注意 熟读深思熟读深思 They are paying more attention to improving agriculture.他们正他们正在更多地关注改进农业。在更多地关注改进农业。pay much/more/little/no/special attention to多多/更加更加/不太不太/不不/特别注特别注意意 归纳总结归纳总结灵活运用灵活运用 你应该多注意你的形象。你应该多注意你的形象。You should _.太过于注重细节了。太过于注重细节了。Too much attenti

22、on _ the details.was paid topay more attention to yourappearance I would appreciate it if you can give us an early reply.(意义意义 _)I cannot appreciate the natural beauty that surrounds me.(意义意义 _)读一读读一读感激感激欣赏欣赏 11.appreciate vt.感激；欣赏感激；欣赏;体谅体谅;意识到意识到 What I failed to appreciate was the distance betwee

23、n the two cities.(意义意义 _)She appreciated his kindness.=She thanked him for his kindness.(意义意义 _)意识到意识到感激感激I would appreciate it if 如果如果我将不胜感激我将不胜感激appreciate sth./doing sth.感谢感谢(不用人作宾语不用人作宾语)appreciation n.感激；欣赏感激；欣赏 归纳总结归纳总结灵活运用灵活运用 根据汉语意思完成句子。根据汉语意思完成句子。如果你不在这儿抽烟如果你不在这儿抽烟,我们将很感激。我们将很感激。_ if you di

24、dnt smoke in here.你理解了这封信的全部意思了吗？你理解了这封信的全部意思了吗？_the full meaning of this letter?We would appreciate itDo you appreciate 对你的帮助对你的帮助,我真的很感激。我真的很感激。I really _.His talents _(未受到充分赏识未受到充分赏识)in that company.are not fully appreciatedappreciate your helpWhat must be done if wildlife protection is to succee

25、d?如果要取得野生动物保护如果要取得野生动物保护的成功的成功,应该采取什么措施？应该采取什么措施？(P27 Line1)12.succeed vi.成功成功熟读深思熟读深思 阅读下列句子阅读下列句子,指出划线指出划线单词的词性和意义。单词的词性和意义。To succeed in overcoming difficulties is the greatest honour.(词性词性 _；意义；意义_)vi.成功成功 He is a success in politics,but a failure in family life.(词性词性 _；意义；意义 _)They were success

26、ful in winning the contract.(词性词性 _；意义；意义 _)n.成功的人成功的人adj.成功的成功的succeed in doing sth.成功地做某事成功地做某事success n.成功成功,成功者成功者,成功的事成功的事successful adj.成功的成功的successfully adv.成功地成功地 归纳总结归纳总结灵活运用灵活运用 根据括号中汉语提示完成句子。根据括号中汉语提示完成句子。_ _(袭击成功袭击成功),and the city was taken.At last we _ (成功解决成功解决)the problem.The attack

27、succeeded/was successful/was a successsucceeded in solving/weresuccessful in solvingCan they be employed to work in the park and not hurt the animals?可以雇可以雇佣他们佣他们(贫穷的农民贫穷的农民)在公园工作而不伤在公园工作而不伤害动物吗？害动物吗？(P27)13.employ vt.&n.雇佣；使用；利用雇佣；使用；利用(时间；精力等时间；精力等)熟读深思熟读深思 The company employs over 500 people.(=Th

28、e company has over 500 employees.)(词性词性 _；意义；意义 _)(词性词性 _；意义；意义 _)He employed himself(in)teaching English.(词性词性 _；意义；意义 _)vt.雇佣雇佣vt.使忙于使忙于n.雇员雇员 He is looking for employment.(词性词性 _；意义；意义 _)The local government provides unemployment relief funds.(词性词性 _；意义；意义 _)失业失业 n.工作，就业，受雇工作，就业，受雇 n.The employer

29、 pays little to his employees.(词性词性_；意义；意义 _)雇主；老板雇主；老板 n.be employed in doing忙于；从事忙于；从事employer n.雇主；老板雇主；老板 employee n.雇员雇员employment n.工作；就业；受雇工作；就业；受雇unemployment n.失业失业 归纳总结归纳总结灵活运用灵活运用 用用unemployment/employees/employer/employed in 填空。填空。Jack is an 1 _ whose company has over 100 2 _.These days

30、he has been 3 _ making a list of all the employees in his company.Due to the financial crisis(危机危机),he decided to fire some workers.As a result,many people in his company are facing 4_.unemployment employeremployeesemployed inWhat should be done to punish people who do harm to the animals?应该采取什么措施惩罚

31、伤害动物的人？应该采取什么措施惩罚伤害动物的人？(P27 Line3)14.do harm to对对有害有害(be harmful to)熟读深思熟读深思 翻译下面的句子。翻译下面的句子。Reading in bed will do harm to your eyes.躺在床上看书对你的眼睛是有害的。躺在床上看书对你的眼睛是有害的。灵活运用灵活运用 果汁可能损坏儿童的牙齿。果汁可能损坏儿童的牙齿。Fruit juices can _.be harmful to/do harm tochildrens teethUsing Le into being 形成；产生形成；产生They lived o

32、n the earth tens of millions of years ago,long before humans came into being千百万年前它们（恐龙）千百万年前它们（恐龙）就在地球上生活，比人类的出现要早就在地球上生活，比人类的出现要早得多得多(P30)熟读深思熟读深思New ways of thinking have come into being.灵活运用灵活运用在会议上经过激烈讨论后在会议上经过激烈讨论后,一个新计划一个新计划形成了。形成了。After a heated discussion at the meeting,_.a new plan came int

33、o beingWhen scientists inspected the bones,they were surprised to find that these dinosaurs could not only run like the others but also climb trees.当科学家们当科学家们检查了那些骨头检查了那些骨头,他们惊讶地发现这些他们惊讶地发现这些恐龙不但像其他恐龙一样可以跑而且恐龙不但像其他恐龙一样可以跑而且还能爬树。还能爬树。(P30)16.inspect vt.检查；视察检查；视察熟读深思熟读深思 Police were called out to kee

34、p over at the airport,and inspect the arriving planes.警察们被紧急召集起来去守卫警察们被紧急召集起来去守卫机场，并对到达的飞机进行检查。机场，并对到达的飞机进行检查。The plants are regularly inspected for disease and insects.这些植物被定期检查这些植物被定期检查是否有疾病和虫子。是否有疾病和虫子。All countries must allow international inspection of their nuclear weapons(核武核武器器)sites.所有国家必须允

35、许对其核武器地所有国家必须允许对其核武器地址的国际检查。址的国际检查。inspection n.检查检查 归纳总结归纳总结 It was strange that _(没有人查我的车票没有人查我的车票)before I got on the train.We expect the _(inspect)of schools to take place every four or five years.灵活运用根据提示完成句子。灵活运用根据提示完成句子。nobody inspectedinspections my ticket 17.according to 根据；按照根据；按照所说所说Accor

36、ding to a UN report,some 844 animals and plants have disappeared in the last 500 years.根据联合国的一根据联合国的一份报告可知，在过去的份报告可知，在过去的500年中，大年中，大约有约有844种动植物灭绝了。种动植物灭绝了。熟读深思熟读深思 According to our records,the books you have borrowed should now be returned to the library.根据我们的记根据我们的记录录,你借的这本书现在应该还给图书你借的这本书现在应该还给图书馆了。馆了。灵活运用灵活运用从这些数字来看从这些数字来看,我们的公司经营我们的公司经营得不错。得不错。_,our company is doing well.According to these figures