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2017届一轮复习北师大版-选修7-Unit20-课件.pptx

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1、Book 7 Unit 20,New Frontiers,话题晨背 积累写作素材,自主排查 夯实基础知识,边讲边练 突破核心考点,在高考语境中提升解题技能,话题词汇,话题晨背 积累写作素材,1.civilization n.文明 2.milestone n.里程碑 3.disastrous adj.灾难性的 4.substitute v.取代 5.innovative adj.创新的 6.advanced science尖端科学,7.technical innovation科技创新 8.sustainable development可持续发展 9.make progress取得进步 pared

2、 with/to和相比,经典语篇,请以“My Future Plan”为题,写一篇100词左右的英语短文。 1.我决定大学毕业后当一名中学教师,这是我孩提时代的梦想。 2.我很喜欢教师这一职业,与中学生在一起可以让自己年轻。 3.我国师资力量缺乏,需要大批有志青年投身教育事业。,佳作欣赏,My Future Plan I decide to be a middle school teacher after college.There are many reasons that contribute to this decision. Firstly,since I was a little b

3、oy,I have been dreaming of being a teacher.And,I like so much to be with middle school students,who are full of energy and imagination,and I am sure their passion would pass on to me.,The most important reason is that our country needs plenty of teachers. So far,teaching is considered a tough and lo

4、w-income job in China. However,if we have not enough teachers,our future will lack excellent scientists,managers,businessmen,soldiers and even good workers and farmers.How can our country be strong and wealthy?I wish our country to be a better one. I am ready to be a teacher and hope all the persons

5、 with lofty ideals may dedicate themselves to this meaningful career.,思维发散,1.仿照第句完成句子the plan met with fierce opposition from local farmers. 政府决定推迟建新机场的原因就是:该计划遭到当地农民的强烈抵制。 2.用it作形式主语改写第句,The reason why the government decided to put off the plan to build a new airport was that,So far,it is considere

6、d that teaching is a tough and low-income job in China.,答案,3.仿照第句用wish翻译句子 我多么希望我们在考试少的地方学习呀!,How I wish we could study where there are fewer exams!,答案,返回,自主排查 夯实基础知识,重点单词,A.写作单词 1. (n.) 质量;物质(adj.) 大量的 2. (adj.) 技术上的(n.) 技术,技巧(n.) 工艺学;技术 3. (n.) 后者(n.) 前者,mass,technical,technique,technology,latter,

7、former,答案,4. (adv.) 不久;很快 5. (vt.) 下载 6. (vt.) 更新 7. (vt.) 评估;评价(n.) 评估;评价 8. (vt.) 捐赠;赠送(n.) 捐赠 9. (adv.) 同时 10. (adj.) 直言的,坦率的,shortly,download,update,assess,assessment,donate,donation,meanwhile,outspoken,答案,11. (vt.) 治愈 12. (vt.) 许可,允许(n.) 许可证;通行证(n.) 允许,许可 13. (vt.) 按;压 14. (n.) 毒药;毒物(v.) 毒害(adj

8、.) 有毒的 15. (vt.) 宣告;宣布(n.) 宣告;宣布,cure,permit,permission,press,poison,poisonous,declare,declaration,答案,B.阅读单词 16.starvation (n.) starve (vi.) 17.welfare (n.) 18.assist (vt.) assistant (n.) 19.handy (adj.) 20.enterprise (n.) 21.conflict (n.),饥饿,挨饿,福利,帮助;协助,助手,方便使用的,企业;事业,争执;冲突,答案,22.equality (n.) 23.s

9、tain (n.) stainless (adj.) 24.worn (adj.) wear (vi.) 25.rescue (vt.&n.) 26.original (adj.) 27.instructor (n.) instruct (v.),平等,污迹,污点,无污迹的,磨损的,磨损,拯救,救援,起初的;最早的,指导者;教练,教导,指导,答案,28.procedure (n.) 29.correspond (vi.) 30.exploration (n.) 31.phenomenon (n.) phenomena (pl.) 32.permanent (adj.),步骤;程序,通信;符合,

10、探测;探险,现象,现象,长久的,永久的,答案,重点短语,1. 预先 2. 泄露(秘密) 3. 接管,接收 4. 努力解决难以处理的事情 5. 发现或查明某物 6. 完全不像 7. 错误地 8. 开球;开始,in advance,give away,take over,wrestle with sth.,get at sth.,nothing like,by mistake,kick off,答案,经典句式,1.By the year 2015, the clothing industry will have produced new types of material that will re

11、main stainless . 到2015年,服装行业将生产出各种新型布料,无论你将什么东西洒在上面都不会留下污渍。 2.By the year 2030,development in biochemistry and medical science will have for us to live for at least 150 years. 到2030年,生物化学和医学的发展将能够在理论上使人类寿命延长到至少150岁。,no matter what you spill on them,made it theoretically possible,答案,3.Due to Chinas r

12、apidly developing space programme,this could be . 由于中国太空计划的快速发展,这可能会提前而不会推迟完成。 4.Without the breakthroughs of these pioneers in science and technology,whether lucky or planned,the world as we know it today a completely different place. 要是没有先驱们在科技上的这些尖端突破,不管这些突破是侥幸的还是计划之中的,今天我们所知道的世界就会是一个完全不同的地方。,soo

13、ner rather than later,would have been,答案,5.This marked the beginning of the “space race” between the US and the USSR,which ended a man on the moon in 1969. 这标志着在美国与苏联之间的“太空竞赛”开始了,这场竞赛以美国在1969年把人类送上月球而告终。,with the US putting,答案,课文语法填空,Over the centuries, masses of people have wondered about the futur

14、e.Some imagine 1. the world will be like in the future.Some authors even predict things that have since happened.2. ,for some people,3. (think) about the future is not just for fun.They plan the future of the world for a living,4. are called futurologists.A seminar will be held at Newcastle Universi

15、ty this weekend.Lots of people will attend it with the hope of starting new enterprises 5. (base) on the 6. (predict) they will hear at the meeting. I clicked into the websites of a few futurologists and learnt some predictions. Here are some:,what,However,thinking,who,based,predictions,答案,In the ne

16、xt few years,computers will become 7. (hand). By the year 2025,no one will die of 8. (starve) because there will be food for everyone. By the year 2030,people 9. live for at least 150 years.Tiny robots may be sent around the cells of our bodies to assess our health and carry 10. repairs to keep us h

17、ealthy.,handier,starvation,can,out,答案,返回,边讲边练 突破核心考点,assist vt.帮助;协助;援助,1.,(1)assist sb.with sth.帮助某人某事 assist sb.to do/in doing sth.帮助某人做某事 (2)assistance n.援助,帮助;辅助设备 with the assistance of在的帮助下 come/go to ones assistance来/去帮助某人 (3)assistant n.助手,助理,助教;adj.辅助的;助理的;有帮助的,(1)Julia was assisting him to

18、 prepare his speech. 朱莉娅正在帮他准备演讲稿。 (2)The public is urgently requested to assist police in tracing this man. 紧急要求公众协助警方追踪此人。 (3)She is an assistant teacher in our school. 她是我们学校的助理教员。,多维训练,单句语法填空 (1)Despite his cries no one came to his (assist). (2)The teacher decided to assist me my English study.

19、(3)He worked as an (assist) to Mr.Ming. (4)The patient was able to walk the assistance of a cane(拐杖).,assistance,with,assistant,with,答案,conflict n.冲突,矛盾,斗争;争执 C,U;v.冲突;抵触,相左,2.,(1)come into conflict with和冲突(动作) (be) in conflict with和冲突(状态) armed conflict武装冲突 (2)conflict with与发生冲突(动作),(1)She often co

20、mes into conflict with her mother-in-law. 她经常与婆婆发生矛盾。 (2)She found herself in conflict with her parents over her future career. 她发现自己在将来择业的问题上与父母存在着分歧。 (3)Both sides suffered heavy casualties in the border armed conflict. 在这次边界武装冲突中双方都遭到了重大伤亡。,多维训练,(1)Those results earlier findings. 这些结果和早期的发现相矛盾。 (

21、2)She often her husband over money. 她经常因为钱和丈夫发生矛盾。,conflict with,comes into conflict with,答案,rescue vt.营救;拯救;救援;n.营救;救援,3.,(1)rescue sb./sth.from sth.从中营救 (2)go/come to ones rescue去/来救某人 (3)rescuer n.救助者,救星,援救者,应试指导 作为高级词汇替换 save,(1)We were about to close down the business,but the bank went/came to

22、our rescue with a huge loan. 我们几乎要停业,但银行借出了一大笔钱救了我们。 (2)Rescuers searched the rubble for survivors. 救援人员在瓦砾中搜寻幸存者。 词义辨析 rescue,save (1)rescue意为“营救,救援”,指从危险中迅速有效地援救、抢救,一般指人,也指抢救东西不致毁坏。 (2)save意为“拯救、救出”,是普通用语,指使受害者或物摆脱危险,使其保存或生存下来。,词义辨析,(1)用rescue,save的正确形式填空 We are informed that more firefighters wil

23、l be sent there to the victims. Actually,it was a young policeman that his daughters life. (2)单句语法填空 (rescue) the drowning boy to the bank,he left without (notice). He promised to come our rescue. You rescued me an embarrassing situation.,多维训练,rescue,saved,Having rescued,being noticed,to,from,答案,don

24、ate vt.捐赠;赠送;捐献(器官)(give;present),4.,多词一义 donate,contribute,give.to,(1)donate sth.to.把某物捐献给 (2)donation n.捐款;捐赠(物) collect donations for.为募捐 make/give/present a donation to向捐赠,(1)He frequently donates large sums to charity. 他常常向慈善机构捐赠大笔钱款。 (2)The silver trophy was donated by a Leicester businessman.

25、 银制奖杯是由一个莱斯特的商人捐赠的。,单句语法填空 (1)We are collecting (donate) for the relief fund. (2)All (donate) blood is tested for HIV and other infections. (3)Over 90% of the goods in the charity shops (donate) by the public. (4)He donated thousands of pounds charity.,多维训练,donations,donated,are donated,to,答案,meanwh

26、ile adv.同时;与此同时;在此期间(meantime),5.,in the meanwhile/meantime在此期间 for the meanwhile一会儿;暂时,(1)He had always found his wifes mother a bit annoying. The mother-daughter relationship,meanwhile,was close. 他总是觉得丈母娘有点烦人,然而她们母女之间的关系却非常亲密。 (2)In the meanwhile,Ill visit an old friend of mine. 与此同时,我将去拜访我的一位老朋友。

27、,多维训练,(1)I had to wait an extra hour so I wrote letters (在此期间). (2)I was doing my homework,and (同时) my mother was cooking.,(in the) meanwhile/meantime,(in the) meanwhile/meantime,答案,6.,cure v.治愈(病人);治好(疾病);矫正,改正(某人的不良行为);解决(问题);n.治疗;疗程,应试指导 “动词sb.of”类语境词义辨析的考查,(1)cure sb.of.治愈某人的;矫正某人的 (2)a cure for

28、.针对的治疗,(1)An operation finally cured his shin injury. 手术最终治好了他胫部的伤。 (2)We need to cure our environmental problems. 我们需要解决我们的环境问题。 (3)Aspirin is a wonderful cure for colds. 阿司匹林是治感冒的妙药。 词义辨析 cure,treat (1)cure表示“治愈”,宾语既可以是人,也可以是疾病,有时也表示“矫正;革除”。 (2)treat表示“治疗”时,多接人作宾语,强调治疗动作,并不说明是否治愈。,词义辨析,多维训练,(1)用cu

29、re,treat的正确形式填空 The doctor was the girl who suffered from cancer. Who was it that the old professor of his cancer? (2)单句语法填空 He said that he (cure) with this medicine. He was at last cured the bad habit. They have found cure for rising prices.,treating,cured,was cured,of,a,答案,declare v.宣告;宣布;声明;表明;宣

30、称(state),7.,declare.to be.宣布为 declare war on.向宣战 declare for/against表示赞成/反对 declare that.宣布,(1)The U.N.has declared it to be a safe zone. 联合国已宣布它为安全区。 (2)He declared that he would fight for his right. 他宣称要为他的权利而斗争。,多维训练,(1)单句语法填空 Only a month earlier,Mr.Stenholm had declared the tax cut. It was the

31、year when Britain declared war Germany. It (declare) already that the contract is illegal.(2)一句多译 他断言那是真的。 (declare that.) (declare.to be.),for/against,on,has been declared,He declared that it was true.,He declared it to be true.,答案,take over接收,接管;继承;支配,8.,take to喜欢;亲近;适应 take in吸收;欺骗;包括在内;收留;领会,理解;

32、观看 take apart拆开,拆卸 take on呈现;雇佣;接受;从事 take out拿出,取出;除去,应试指导 take短语语境词义辨析,(1)I was assigned to take over your position. 我被指派接任你的位置。 (2)Lesley explains possible treatments but you can tell shes not taking it in. 莱斯利解释了各种可行的疗法,不过,你可以看出来,她并没有领会。,多维训练,用take短语的正确形式填空 (1)He began to us after that first day

33、 and we learned so much about him in that short time period. (2)She as a trainee. (3)He the machine to clean and oil the parts. (4)When I want to write,I open her mouth and the pencils from her stomach.,take to,was taken on,took,apart,take out,答案,latter n.后者(the second of the two);adj.后者的,后面的(back);

34、晚期的,末期的,9.,多维训练,(1)I invited Tom and Mary to my birthday party. (前者) is 15 years old and (后者) is 14 years old. (2)Of your two examples,I (更喜欢后者). (3)He is getting into (末期) of his career.,The former,the latter,prefer the latter,the latter years,答案,dilemma n.困境,进退两难的窘境,10.,多维训练,(1)In the process of m

35、odern urban development,we often find ourselves . 在现代都市的发展中,我们往往会陷入困境。 (2)She about whether to accept the invitation or not. 她陷入两难境地,不知是否接受邀请。 (3)After five years hard work,they finally . 经过五年的艰苦工作,他们终于走出了困境。,in a dilemma,faced a dilemma,got out of a dilemma,答案,correspond vi.通信;相一致,符合;相当于,11.,多维训练,单

36、句语法填空 (1)Investment in the railways will bring a (correspond) improvement in services. (2)Its a coincidence that your account of events corresponds hers. (3)His interest in writing came from a long (correspond) with a close college friend.,corresponding,with,correspondence,答案,phenomenon n.现象( pl. ph

37、enomena),12.,多维训练,单句语法填空 (1)There is a natural phenomenon scientists call the “greenhouse effect”. (2)Richard Clayderman is a phenomenon musicians. (3)Rain and snow are (phenomenon) of the weather.,that,among,phenomena,答案,By the year 2015,the clothing industry will have produced new types of materia

38、l that will remain stainless no matter what you spill on them.到2015年,服装业将生产出各种新型材料,不论什么东西溅到上面,都不会留下污点。,13.,句型公式:“by时间点”与完成时连用,by the year 2015是“by时间点”构成的介词短语,表示“到时候”。这一结构通常用于完成时态的句中作时间状语。 (1)by过去时间点,主语谓语(过去完成时态)宾语 (2)by现在时间点,主语谓语(现在完成时态)宾语 (3)by将来时间点,主语谓语(将来完成时态)宾语,(1)By the time Jack returned home

39、from England,his son had graduated from college. 杰克从英国回到家的时候,他儿子已经大学毕业了。 (2)By next month,Tom will have saved enough to buy a used car. 到下个月,汤姆就会攒够钱买辆二手车了。,多维训练,单句语法填空 (1)We (learn) 3,000 words by the end of next term. (2)We (learn) 3,000 words by the end of last term. (3)When I talked with my grand

40、ma on the phone,she sounded weak,but by the time we (hang) up,her voice had been full of life. (4)By now,people (realize) its importance.,will have learned,had learned,hung,have realized,答案,There is no doubt about it.关于这一点是毫无疑问的。,14.,句型公式:There is no doubt about./that.,(1)There is no doubt意为“毫无疑问”,后

41、接that从句或about名词结构。There is doubt意为“值得怀疑”,后接whether引导的从句或about名词结构。 (2)doubt v.& n.怀疑;疑问 作动词时,其用法如下:,在否定句和疑问句中,doubt后面接that引导的宾语从句。 在肯定句中,doubt后面一般接whether或if引导的宾语从句。 作名词时,用法如下: 用于肯定句时,一般接whether引导的同位语从句。 用于否定句、疑问句时,一般接that引导的同位语从句。 (3)be in doubt犹豫不决 beyond doubt无疑地,(1)There is some doubt whether he

42、 is suitable for the job. 他是否胜任这项工作还有一些疑问。 (2)I have no doubt that youll succeed. 我肯定你能成功。,多维训练,(1)单句语法填空 I dont doubt he can finish the task on time. I doubt they can swim across the river. There is no doubt she will come in time. I have some doubt he will be elected. When doubt,were here for you.

43、Give us a call. (2)同义句改写 There is no doubt that our experiment will succeed.(用“介词名词”改写) There is no doubt .,that,if/whether,that,whether,in,about the success of our experiment,答案,单句语法填空 (1)This time tomorrow,I (fly) to Shanghai. (2)If you plant watermelon seeds in the spring,you (eat) fresh watermel

44、on in the fall. (3)Guess what,weve got our visas for a short-term visit to the UK this summer. How nice!You (experience) a different culture then. (4)By the end of this term,we (finish) our essays. (5)We (live) here for five years by next March.,单元语法,shall be flying,will be eating,will be experienci

45、ng,will have finished,shall have lived,答案,返回,在高考语境中提升解题技能,语境填词,1.Cell-phones are part of a growing mountain of (电子的)waste like computers and personal digital assistants.(2015江苏) 2.In a sense its human nature to do precisely thatwe (评估) the advantages and disadvantages of decisions all the time.(2014

46、江苏) 3.It can be used to (更新) mobile phones.(2014山东) 4.Medical research often makes use of the forests plant and animal life,and the destruction of such species could prevent researchers from finding (疗法) for certain diseases.(2015陕西),electronic,assess,update,cures,答案,5.But some materials slow and sc

47、atter(散射) light,bouncing it away from its (最初的) path.(2015北京),original,答案,单句语法填空,1.Students living in buildings that have kitchens are only permitted (cook) in the kitchen.(2015天津) 2.It will be a big help if you go to the store and get what we need for dinner. the meanwhile,Ill set the table.(2013浙江

48、) 3.Electrical activity corresponds ones behavior.(2014江苏) 4.Some scientists declare most of our fatigue comes from our mental and emotional(情感的) attitudes.(2013辽宁),to cook,In,to,that,答案,5.While all the experts are busy debating about which option is best,the people who want to improve their lives a

49、re left confused by all of the (conflict) information.(2014新课标全国) 6.If Mr.Dewey had been present,he would have offered any possible (assist) to the people there.(2014湖南) 7.Miss McCarty decided to donate $150,000 the University of Southern Mississippi.(2014广东) 8.Last summer,two nineteenth-century cottages were rescued remote farm fields in Montana,to be moved to an Art Deco building in San Francisco.(2014浙江),

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