高考英语一轮复习Unit3Underthesea教学案新人教版选修7.docx

1、高考英语一轮复习Unit3Underthesea教学案新人教版选修7Unit 3 Under the sea三言两语1Rubbish and waste water are being poured into the river；as a consequence,water resources have become badly polluted.2We should adopt reducing,reusing and recycling approaches to solve the problem and take good care of our environment.3With t

2、he number of cars increasing fast in our city,our environment is getting increasingly worse.1众所周知,由于全球变暖,全球水资源短缺问题正变得日益严重。It is wellknown that the global water shortage is becoming increasingly severe mainly due to global warming.2现在,越来越多的人开始认识到,目前的环境与我们对地球的所作所为有很大关系。Now more and more people become

3、aware that the present environment has much to do with what we have done to the earth. 单词拼写应用核心单词1witness vt.当场见到； 目击n目击者； 证人； 证据2opposite prep.在对面adj.相对的； 相反的3pause vi.&n.暂停； 中止4drag vt.拖； 拉； 扯5neat adj.口好的；整齐的；匀称的6flee vi.逃避；逃跑vt.逃离7meantime adv.期间；同时8narrow adj.狭窄的；有限的；狭隘的9shallow adj.浅的；肤浅的；浅显的1

4、0awesome adj.使人敬畏的；令人畏惧的语境运用用所给词的适当形式填空1The year 1849 witnessed (witness) a great war in that country.2Scientific studies have shown that making a habit of pausing (pause) before you do something can actually have a big impact on how your life turns out.3He arrived at school early in the morning,dra

5、gging (drag) his heavy instrument case across the campus.4People fled (flee) aimlessly in terror as the tsunami struck the city without any precaution.5To their relief,their students narrowly (narrow) escaped from the shaking building.拓展单词1accommodate vt.提供住宿accommodation n住所；住宿 2deep adj.&adv.深的(地)

6、depth n深(度)；深处 deeply adv.深深地deepen v使加深；使强烈；变深3urge vt.催促；极力主张；驱策urgent adj.紧急的；迫切的4abandon vt.放弃；遗弃；抛弃abandoned adj.被遗弃的；放纵的5reflect vi.思考 vt.映射；反射；思考reflection n反射；反映；映像6aware adj.意识到的；知道的awareness n意识；认识7sharp adj.锐利的；锋利的；敏捷的sharpen v削尖；磨快；尖锐；变锋利8taste n味道 v品尝tasty adj.好吃的；可口的 tasteless adj.无味的9

7、scare vt.恐吓 vi.受惊吓scared adj.恐惧的；害怕的scary adj.恐怖的；可怕的语境运用用所给词的适当形式填空1It was a scary story and children were scared after they heard it.(scare)2Though the soup is tasty, Ive lost my sense of taste and it tastes just like tasteless water.(tasty)3The lake is over 20 meters in depthSo we were all moved

8、deeply by the man who dived deep into the lake to save the boy.(depth)4Some flowers are reflected in the river and the reflection is very beautiful.(reflect)5If you cant find any accommodations elsewhere, here is a room which can accommodate up to five people.(accommodation)6It is urged that we (sho

9、uld) finish the job in such urgent time.(urge)阅读单词1anecdote n轶事；奇闻2migration n迁徙；迁居；移居3seaside n&adj.海边(的)；海滨(的)4yell vi.大叫；呼喊n叫声；喊声5.jog vi.慢跑vt.轻推；轻撞6pure adj. 纯的；纯粹的；纯洁的7tide n潮(汐)；潮水；潮流8flashlight n闪光信号灯；手电筒；闪光灯9grey adj.&n.灰色(的)10.steep adj.陡峭的11boundary n界限；分界线12conservation n保存；保护13suck vt.&v

10、i.吮吸14seal n海豹；封条；印章15pension n养老金；退休金1(2017浙江卷)Italy, which has a much weaker tradition of immigration, has witnessed a sharp increase in immigration in recent years.急剧的2(天津卷)Parents and children should communicate more to narrow the gap between them so that they can understand each other better.缩小

11、短语多维应用高频短语1aim at瞄准2get close to靠近3hold up举起；阻止4be/become aware of对知道、明白；意识到5(be) scared to death吓死了语境运用(填入一个适当的词)Once I,together with my parents,visited Qingdao Ocean World.To my joy,I could get close to the shark in the aquarium.Although I was aware of the shark in the tank,I was nearly scared to

12、death when the shark swam to me.6ahead of在之前7help (.) out帮助(某人)摆脱困境或危难8upside down上下翻转9in the meantime在此期间10be about to即将；将要语境运用(填入一个适当的词)In the meantime,there were many visitors ahead of us.They were also scared to scream.We were about to go to see other fishes when the shark turned around.Luckily,

13、it was the feeder that drew its attention and helped us outWhat an exciting experience we had under the sea！句式结构仿写教材原句背诵句式仿写应用1It is/was a time when.“曾经一度”,when引导定语从句It was a time when the killer whales,or “killers” as they were then called,helped the whalers catch the baleen whales that were on the

14、ir annual migration.我曾一度迷恋网络游戏。It was a time when I was addicted to playing computer games.2.“be about to动词原形”表示即将发生的事情This was the call that announced there was about to be a whale hunt.我正要做作业这时停电了。I was about to do my homework when the power was cut off.3.where 引导地点状语从句The water was quite shallow

15、but where the reef ended,there was a steep drop to the sandy ocean floor.作为年轻人,我们应该学会在我们跌倒的地方站起来。As young men, we should learn to stand up where we fall.1urge vt.催促；极力主张；驱策 n强烈的欲望；冲动(1)urge sb.to do sth.催促某人做某事urge that.(should) do sth.极力主张； 强调(2)have/feel an urge to do sth.渴望做某事(3)urgent adj.紧急的； 迫

16、切的urgency n紧急；催促in urgent need of money迫切需要钱基础练习单句语法填空(2019天津卷) Hearing that youll give us a lecture about western art and want to hear our opinions about which topic to cover, I feel an urge to make(make) my voice heard.a.(江苏卷)Parents should actively urge their children to take (take) advantage of

17、the opportunity to join sports teams.b(江西卷)In order to improve learning efficiency, I urge that all of us (should) form (form) the habit of thinking independently and reviewing lessons in time.a.(重庆卷)Must you interrupt now？Cant you see Im on the phone?Sorry Sir,but its urgent (urge)bThe attack added

18、 a new urgency to that peace talk.链接写作一句多译随着期末考试的来临,老师敦促我们努力学习。Our teacher urges us to study hard with the final exam drawing near.Our teacher urges that we (should) study hard, as the final exam is drawing near.2abandon vt.遗弃；抛弃；放弃；中止；(与oneself连用)使放纵,使听任 n放任；放纵(1)abandon doing sth.放弃做某事abandon ones

19、elf to doing sth.沉湎于做某事；放纵(感情)于做某事 (2)with abandon纵情；放任地(3)abandoned adj.抛弃了的；废弃的；放纵的an abandoned farm废弃的农场abandon an animal遗弃动物abandon himself to despair陷入绝望基础练习 单句语法填空a.(2017全国卷)These plans were abandoned(abandon) because of financial problems.b(2018全国卷)Wang collected more than 7 million abandoned

20、 (abandon)bricks of different ages.They abandoned carrying(carry)out the plan because of the bad weather.链接写作 完成句子/句式升级 (普通表达)He abandoned himself to playing computer games (沉迷于玩电脑游戏)and didnt pass the exam.(高级表达)Abandoning himself to playing computer games,he didnt pass the exam.(现在分词短语作状语)(高级表达)Ab

21、andoned to playing computer games,he didnt pass the exam.(过去分词短语作状语)3reflect vt.映射；反射；思考vi.思考(1)reflect on/upon仔细考虑/沉思/反省(2)reflection n反映,表现；倒影,影像；思考,反省reflect Chinese cultural traditions反映了中国的文化传统the reflection of the trees in the lake湖面映出树的倒影基础练习单句语法填空a.(2019江苏卷)A city is the product of the human

22、 hand and mind, reflecting (reflect)mans intelligence and creativity.b(上海卷)Seans strong love for his country is reflected (reflect)in his recently published poems.Usually a childs behaviour is a reflection (reflect) of his family environment.链接写作完成句子/句式升级(普通表达)When she reflected on(反思) her volunteer

23、 experience, Tina felt proud of what she managed to achieve together with her local colleagues.(高级表达)Reflecting on her volunteer experience, Tina felt proud of what she managed to achieve together with her local colleagues.(分词短语作状语)4help(.)out帮助(某人)摆脱困境或危难；协助；使(某人)脱离困境(1)help (sb.)(to)do sth.帮助(某人)做

24、某事help sb.with sth.帮助某人做某事(2)cant help (to) do sth.不能帮着做某事cant help doing sth.禁不住做某事cant help but do sth.不得不做某事(3)help oneself (to sth.)自取, 自用help me out with this problem帮我解决问题be always willing to help out总是急人之难基础练习单句语法填空a.(安徽卷)If parents have children help with housework, the children will feel ne

25、eded.bHe is always willing to help me out when I am in trouble.(重庆卷)Group activities will be organized after class to help children (to)develop (develop) team spirit.a.When thinking of the wonderful days I spent in New Orleans, I just cant help thinking (think) of you.bFaced with so much trouble, I

26、cant help but turn(turn) to my parents for help.链接写作完成句子/句式升级(普通表达)With the help of my teacher(在老师的帮助下), I have made great progress in my spoken English.(高级表达)It is with the help of my teacher that I have made great progress in my spoken English.(强调句型)5be/become aware of对知道、明白；意识到(1)be aware that.知道

27、；体会到(2)awareness n知道；认识；意识develop/raise an awareness of.培养/提高的意识be aware of the dangers to their own health意识到对自身健康的危害an awareness of the importance of eating a healthy diet认识到健康饮食的重要性基础练习单句语法填空(重庆卷)When visiting another country,you should be aware of those differences and respect them.(2019北京卷)Eart

28、h Day is an annual event aiming to raise public awareness (aware)about environmental protection.链接写作词汇升级(普通表达)Through the discussion, we realize the necessity of carrying out a lowcarbon economy in our country.(高级表达)Through the discussion, we are aware of the necessity of carrying out a lowcarbon ec

29、onomy in our country.6 教材佳句The water was quite shallow but where the reef ended,there was a steep drop to the sandy ocean floor.水很浅,但到了珊瑚礁的尽头,就有一个陡坡,一直下降到满是沙子的海底。句法句式句中where.,there be .,意为“在的地方, 有”, where引导地点状语从句。另外 wherever“无论什么地方, 无论在何处”也可引导地点状语从句。(1)where可以引导地点状语从句,修饰主句的谓语。(2)where可以引导定语从句,修饰它前面的

30、名词。 (3)where可以引导名词性从句,在句中作主语、宾语、表语或同位语。基础练习单句语法填空a.(重庆卷)Half an hour later, Lucy still couldnt get a taxi where the bus had dropped her.b(2019天津卷)Their child is at the stage where she can say individual words but not full sentences.a.(2019北京卷)What students do at college seems to matter much more than where they go.b(2018北京卷)Without his support, we wouldnt be where we are now.Wherever she goes,there are crowds of people waiting to see her.链接写作一句多译很多高楼在一年前还是废墟的地方拔地而起。A number of high buildings have arisen where there was nothing a year ago but