2020年北师大版高中英语选修8课件：Unit22 Warm-up & Lesson 1 Global Warming—Language Points

《2020年北师大版高中英语选修8课件：Unit22 Warm-up & Lesson 1 Global Warming—Language Points》由会员分享，可在线阅读，更多相关《2020年北师大版高中英语选修8课件：Unit22 Warm-up & Lesson 1 Global Warming—Language Points（52页珍藏版）》请在七七文库上搜索。

1、,Unit 22 Environmental Protection,PART 1,基础自测,PART 2,互动探究,PART 3,达标检测,Warm-up & Lesson 1 Global WarmingLanguage Points,PART 1,基础自测,默写练习 (一),.写出下列单词的汉语意思(共12小题；每小题2分，满分24分) 1.ecology n. 2.consultant n. 3.principle n. 4.corrupt adj. 5.consensus n. 6.beyond prep. 7.ray n. 8.bounce vi. 9.coincidence n.,

2、查看答案,_ _ _ _ _ _ _ _ _,生态,顾问,原则，道德准则,贪污受贿的，腐败的,一致的意见,超出,光线,反弹,巧合,10.federal adj. 11.pancake n. 12.hurricane n.,查看答案,_ _ _,联邦的,薄煎饼,飓风,.写出下列汉语对应的英语单词(共12小题；每小题3分，满分36分) 13.使困住 vt. 14.植物的adj. 植物学 n. 15.保护区n. 保护区；预订；保留n. 16.(联合)抵制n. 17.保护n. 保护；保存；节约v.,查看答案,_ _ _ _ _ _ _ _,trap,botanical,botany,reserve,r

3、eservation,boycott,conservation,conserve,18.有关的adj. 关联，相关性n. 19.农业n. 农业的adj. 20.牺牲；献出vt. & vi. 21.主张，提倡vt. 22.回收利用vt. 回收利用；要回收利用的物品n. 23.代替品，代用品n. 24.威胁vt.,查看答案,_ _ _ _ _ _ _ _ _ _,relevant,relevance,agriculture,agricultural,sacrifice,advocate,recycle,recycling,substitute,threaten,.写出下列短语或短语对应的汉语意思(

4、共10小题；每小题2分，满分20分) 25.a number of 26.超出的控制，不受的控制 27.展望未来 28.指，意即 29.in turn 30.lead to 31.rely on 32.采取行动 33.switch off 34.ahead of,_ _ _ _ _ _ _ _ _ _,一些,beyond ones control,look ahead,refer to,依次,引起，导致,依靠,take action,关闭,在前面,查看答案,.完成句子(共5小题；每小题4分，满分20分) 35. ，scientists believe that global warming c

5、ould be one of the biggest environmental problems facing the 21st century. 展望未来，科学家们认为全球变暖会是21世纪面临的最严重的环境问题之一。 36.Without these naturally occurring gases，the suns rays would bounce back into space and impossible to live on. 如果没有这些自然产生的气体，太阳的光线将会被反射回太空中去，那么地球将处于寒冷之中，而使生物不可能在地球上存活。,查看答案,Looking ahead,

6、leaving the Earth cold,37. ，it seems that the link between human activities and rising global temperatures is not merely a coincidence. 考虑到这一数据，似乎人类活动与正在上升的全球气温之间的关联就不仅仅是一个巧合了。 38.Increased temperatures will also cause the polar ice to melt，_ . 温度的升高还会引起极地冰雪融化，海平面上升，从而淹没许多岛屿和城市。 39.If we add up all

7、these small changes ，they wont be such small changes. 如果我们把全世界每个人做的小改变加起来，它们将不再是如此微小的变化。,Given this data,raising sea,levels and flooding many islands and cities,made by everyone worldwide,查看答案,PART 2,互动探究,探究重点 互动撞击思维,1,Because of the greenhouse effect，the Earth is warmed by gases trapped in the atmo

8、sphere.因为温室效应，被困在大气层中的气体会使地球变暖。,trap vt.使困住；使陷入困境n.圈套；陷阱,重点词汇,一词多义 写出下列句子中trap的词性和汉语意思 (1)The fox escaped from the trap at the cost of a leg. (2)The police set a trap to catch the thief. (3)Some miners were trapped underground after the collapse.,_ _ _,查看答案,n.陷阱,n.圈套,vt.使困住,trap sb. into (doing) sth

9、. 诱骗某人(做)某事 be/get trapped in被困在中；陷入 fall into a trap落入陷阱，落入圈套 set/lay a trap for给设圈套 注意：表示“被困于中”的短语还有： be/get locked in；be/get caught in；be/get stuck in,(4)He felt he had been trapped into accepting the terms of the contract. 他觉得自己是中了圈套才接受这合同条款的。,高级表达 (5)When he was trapped in the burning building，

10、he was very hopeless.(用非谓语动词改写) ，he was very hopeless.,查看答案,Trapped in the burning building,2,a number of一些；许多,Jim，at the moment，youre working in botanical gardens to save a number of endangered birds.吉姆，你现在正在植物园从事拯救一些濒危鸟类的工作。,表示“许多，大量”的表达方式有：,many a单数名词(谓语动词用单数形式),查看答案,(1)The soldiers saved a numbe

11、r of people trapped in the big fire last night. 昨晚这些士兵救了很多困在大火中的人。 (2)It is said that a large amount of money (be) spent repairing the bridge last year. 据说，去年大量的钱花在了修缮这座桥上。 (3)Take it easy！We have plenty time to finish the job. 悠着点儿！我们有充裕的时间来完成这项工作。 单句改错 (4)The number of students in the university h

12、ave increased to 10,000 up to now.,was,of,has,3,reserve n.保护区；储备vt.储备；保留；预订,Breweries are often built in nature reserves.啤酒厂通常建在自然保护区内。,a nature reserve一个自然保护区 in reserve贮存；备用 reserve.for sb. /sth. 为某人/某物保留/预订 reservation n.保护区；预订(房间、座位等)；保留(意见) make a reservation预订(房间、座位等) without reservation毫无保留地,

13、(1)A number of rare animals are living in this nature reserve now. 现在很多珍稀动物在这个自然保护区内生活。 (2)It is advisable to keep some food reserve in case of emergency. 储备一些食物以应急需是明智的。 (3)The waitress said that these seats were reserved the elderly and disabled. 女服务员说，这些座位是留给老人和残疾人的。 (4)To my surprise，a number of

14、 people support my plan . 让我惊讶的时候，很多人毫无保留地支持我的计划。,查看答案,in,for,without reservation,一句多译 (5)你必须提前预订票吗？ Do you have to in advance? (reserve) Do you have to in advance？(reservation),查看答案,reserve tickets,make a reservation of tickets,4, beyond prep.超出,.something previously seen as beyond our control.这是一种

15、原来被认为是超出我们控制能力的现象。,beyond belief难以置信 beyond controlout of control不受控制 beyond description/words无法形容，难以言表 beyond ones power超出某人的权限 beyond/out of ones reach某人够不到 beyond question/doubt毫无疑问,(1)I managed to get an A in that course and learned life lessons that have served me well beyond the classroom.(201

16、8全国) 那门课程我设法得了A，并且学到了在课堂之外对我很有用的生活教训。 (2)Sweden is lovely in summer while it is cold in winter. 瑞典的夏天非常宜人，而冬天却冷得让人难以置信。 (3)The beauty of the West Lake is .西湖的美是无法形容的。 句型转换 (4)The fire started after an illegal campfire got out of control. The fire started after an illegal campfire .,查看答案,beyond belie

17、f,beyond description,was/went beyond control,5, look ahead展望未来；向前看,Looking ahead，scientists believe that global warming could be one of the biggest environmental problems facing the 21st century.展望未来，科学家们认为全球变暖会是21世纪面临的最严重的环境问题之一。,look down on/upon轻视；看不起 look up to仰慕；尊敬 look up (形势)好转；查阅；抬头看 look fo

18、rward to期待；盼望(to为介词) look into调查；审查 look for寻找 look through快速浏览；审核；查看；翻找,(1)Look ahead, and you will see a happy and bright future. 向前看，你会看到一个美好和光明的未来。 (2)We her because she has made a great contribution to our society.我们尊敬她，因为她为我们的社会做出了巨大的贡献。 (3)Doctors are looking the cases for new treatment of H7

19、N9. 医生们正在研究这些病例以发现治疗H7N9的新方法。 (4)The girl looked her notes before leaving the classroom. 女孩离开教室前匆匆看了一下笔记。 单句改错 (5)Fortunately，the day we had been looking forward to coming at last.,查看答案,into,through,look up to,came,be relevant to与有关 relevance n.关联，相关性 have relevance to与有关 注意：表示“与有关”的短语还有： be related

20、 to；be linked to；have something to do with；be connected with；be associated with,6, relevant adj.有关的；切题的；有价值的；有意义的,But what exactly is global warming，why is it seen as a danger，and how is it relevant to our lives？但是确切地说，什么是全球变暖？为什么把它看成是一种危险？它如何与我们的生活相关呢？,(1)I completed the senior course of Computer B

21、asics，plus five relevant pre-college courses. 我完成了计算机基础的高级课程，加上五门与大学预科相关的课程。 (2)I dont think what he said is relevant the topic we are discussing. 我认为他说的与我们正在讨论的话题无关。 一句多译 (3)这位教授有时会说一些与这个主题无关的事情。 The professor sometimes makes remarks that the topic.(relevant) The professor sometimes makes remarks t

22、hat the topic. (relevance),查看答案,to,are not relevant to,have no relevance to,take turns to do sth. 轮流做某事 by turns轮流地；交替地 It is ones turn to do sth. 轮到某人做某事。 in return作为回报,7, in turn依次，轮流；转而；相应地,Global warming refers to an average increase in the Earths temperature that，in turn，leads to climate change

23、.全球变暖指的是地球温度平均增长，继而导致气候变化。,(1)The children answered the questions relevant to their lessons in turn. 孩子们轮流回答与他们的功课有关的问题。 (2)They helped the villagers without asking for anything in return. 他们不求回报地帮助村民。 (3)Generally speaking，theory is based on practice and turn serves practice. 一般来说，理论源于实践，反过来又服务于实践。

24、 (4)Theyll take turns (be) monitor of the class. 他们将轮流当班长。 (5)The guests have left and now its your turn . 客人们都走了，现在轮到你扫地了。,查看答案,in,to be,to sweep the floor,lead sb. to sp. 带某人去某地 lead sb. to do sth. 使得某人做某事 lead sb. to sth. 使某人得出结论等 lead the way带路 注意： lead to中的to是介词，后跟名词、代词或动词-ing形式。 表示“引起，导致”的词或短语

25、还有： cause；result in；bring about；contribute to, lead to引起，导致；通向,(6)Studying babies play may lead to a better understanding of science. 研究婴儿的玩耍或许会使人更好地了解科学。 (7)Not far away there is a bridge that can lead him the tree for more fruit.不远处有一座桥，可以让他到达那棵树旁摘到更多的水果。 (8)In class I will lead them (practice) sp

26、eaking English in an interesting way.在课堂上，我将用一种有趣的方法引导他们练习说英语。 单句改错 (9)The discovery of new evidence led to the thiefs be caught.,查看答案,to,to practice,being,condemn sb. to death判处某人死刑 condemn.as/for sth. 因某事而谴责 condemn sb. to (do) sth. 迫使某人接受困境(或不愉快的状况)；迫使某人做不愿做的事,8, condemn vt.迫使(某人)陷于不幸的境地；谴责；宣判，判处

27、,.we are condemning life on Earth and should expect severe consequences.我们将宣告地球生命的终结，并应该能想到其严重的后果。,(1)To my surprise，he didnt condemn me for what I had done. 让我奇怪的是，他并没有因为我所做的事指责我。 (2)He for murder and later hanged. 他因谋杀罪被判处死刑而后被绞死了。 高级表达 (3)As the manager was condemned for abusing his power，he felt

28、 very sorry. (用非谓语动词改写) ，the manager felt very sorry.,查看答案,was condemned to death,Condemned for abusing his power,sacrifice.for.为牺牲 sacrifice.to do sth. 牺牲去做某事 at the sacrifice of以牺牲为代价 make sacrifices/a sacrifice做出牺牲,9, sacrifice vt.& vi.牺牲；献出 n.牺牲；舍弃,Many people believe that they are simply not pr

29、epared to sacrifice the amount of money they make from industry to save the Earth.许多人认为他们只是不准备牺牲自己从工业中赚到的钱来拯救地球。,(1)From that day on，we learned together，traveled together，and sacrificed together.从那天起，我们一起学习，一起旅行，一起做出奉献。 (2)The mother was very great，for she had sacrificed everything her children. 这位母

30、亲非常伟大，因为她为子女牺牲了一切。 (3)Its not worth sacrificing your reputation (achieve) a goal. 牺牲名誉去达成目标是不值得的。 单句改错 (4)He saved the child for the sacrifice of his life.,查看答案,for,to achieve,at,take action to do sth. take measures/steps to do sth. 采取行动做某事 in action在活动中；在运转 take effect见效 take care保重；注意 take office上

31、任；就职, take action采取行动,But why wait around for governments to take action？但是为什么要等待政府来采取行动呢？,10,(1)It is high time that we should take action to protect the earth. 该是我们采取行动保护地球的时候了。 (2)About ten months later，our efforts were beginning to . 大约十个月后，我们的努力开始见成效了。 (3)It was when the President that he gave

32、an inspiring speech. 总统是在上任时发表了鼓舞人心的演说。,查看答案,take effect,took office,advocate (doing) sth. 提倡/拥护/支持(做)某事 advocate that.主张，提倡(从句谓语动词用should do，should可省略) an advocate of/for.的提倡者/拥护者, advocate vt.主张，提倡 n.提倡者，拥护者,Experts advocate that each person play their part.专家提倡大家各尽所能。,11,(1)There is no point advo

33、cating improving public transport unless we can afford it. 提倡改善公共交通毫无意义，除非我们能支付得起改善的费用。 (2)Many experts advocate (reward) children for their good performances. 很多专家主张对小孩的良好表现加以奖励。 (3)The expert advocated that the government (take) action to reduce pollution. 这位专家主张，政府应该采取行动来减少污染。,查看答案,rewarding,(sho

34、uld) take,(4)She later became an advocate prisoners rights. 她后来成了犯人权利的倡导者。 句型转换 (5)He advocated a reduction in military spending at the meeting. He advocated military spending at the meeting. He advocated that military spending at the meeting.,查看答案,of/for,reducing,(should) be reduced,as a substitute

35、 for.作为的代替者/代用品 a substitute for sb. /sth. 的替代者, substitute n.代替者，代用品 vt.用()代替 vi.替代，取代,After all，theres no substitute for our Earth.毕竟，我们的地球无可替代。,12, 用A代替B,substitute for sb. /sth. 代替/取代某人/某物,(1)You must carry the necessary equipment with you，since its all but impossible to find natural substitutes

36、.你必须随身携带这些必要的设备，因为它们都无法找到天然的替代品。 (2)For convenience，he advocated that they should substitute paper money gold. For convenience，he advocated that they should substitute gold paper money. 为方便起见，他主张他们应该用纸币取代黄金。,查看答案,for,with/by,1,Without these naturally occurring gases，the suns rays would bounce back i

37、nto space leaving the Earth cold and impossible to live on.如果没有这些自然产生的气体，太阳的光线将会被反射回太空中去，那么地球将处于寒冷之中，而使生物不可能在地球上存活。,经典句式,without表示一个假设的条件，相当于一个if条件句，后面的主句要用虚拟语气。像这样表示假设条件的词或短语还有but for，or，otherwise，它们引导的句子在英语中称为含蓄虚拟条件句。,查看答案,(1)Without his support，we wouldnt be where we are now.(2018北京) 假如没有他的支持，我们就

38、不会取得现在的成就。 (2)I was very busy then， I would have helped you out. 我当时太忙了，否则我就帮助你了。,otherwise/or,_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _,查看答案,句型转换 (3)Without your help，we couldnt have finished the work ahead of time.,If it had not been for your help,we couldnt have finished the work ahead of time.,But f

39、or your help,Had it not been for your help,，,leaving the Earth cold and impossible to live on是现在分词短语作结果状语。此处的leave意为“使处于某种状态”，常用于“leave宾语宾语补足语”结构中，其常见的形式有：,查看答案,(4)Leave the door open and you will breathe fresh air. 让门开着，你将会呼吸到新鲜的空气。 (5)We are going to . 我们打算把车停放在机场。 (6)They walked off and left me (

40、sit) there alone. 他们走开了，留我一个人坐在那儿。 (7)He hurried to the office，leaving . 他匆忙去了办公室，早饭都没动。 单句改错 (8)The woman walked out of the room，leaving her little son cried there.,leave the car at the airport,sitting,his breakfast untouched,crying,2,Given this data，it seems that the link between human activities

41、and rising global temperatures is not merely a coincidence.考虑到这一数据，似乎人类活动与正在上升的全球气温之间的关联就不仅仅是一个巧合了。,句中的Given this data在此为介词短语作状语，不要误以为是过去分词短语作状语，given在此为介词，也可作连词。类似的结构有： given/considering sth. /(that)从句 考虑到；鉴于 seeing (that)从句 因为；鉴于,(1)Given the present conditions，I think shes done much better than o

42、thers.考虑到目前的条件，我认为她已做得比其他人好很多了。 (2) (provide) that there is no opposition，I will act as a representative of our class. 倘若没人反对的话，我将担任本班的代表。 (3) (see) that youre already at the door，I suppose I must invite you inside. 鉴于你已经到了门口，我想我必须邀请你进来。,Providing/Provided,Seeing,查看答案,PART 3,达标检测,当堂检测 基础达标演练,1.The m

43、an managed to rescue the people who were (trap) in floods. 2.All of us have to take action (protect) our environment. 3.Generally speaking，too much work and too little rest will lead illness. 4.As we all know，feeling sorry for someone is no substitute love. 5.He walked in and went directly to the (r

44、eserve) seat. 6.This car is so expensive that it is the reach of those with average incomes.,.单句语法填空,查看答案,trapped,to protect,to,for,reserved,beyond,7.Her mother taught her，and she turn taught her own daughter. 8.Mark (condemn) to do most of the work. 9.Would you sacrifice some of your salary more holiday time? 10.The professor advocates (reduce) childrens homework.,查看答案,in,was condemned,for,reducing,11. ，I wouldnt have made it. 没有你的建议，我就不会成功。 12.Dont outside in the rain. 别让她在外边雨里等着。 13.The player his behavior after the match. 那位运动员因为赛后的行为受到广泛谴责。 14. ，