2020年北师大版高中英语选修7课件：Unit20 Lesson 3 Scientific Breakthroughs

《2020年北师大版高中英语选修7课件：Unit20 Lesson 3 Scientific Breakthroughs》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7课件：Unit20 Lesson 3 Scientific Breakthroughs（46页珍藏版）》请在七七文库上搜索。

1、,Unit 20 New Frontiers,PART 1,基础自测,PART 2,课文预读,PART 4,达标检测,Lesson 3 Scientific Breakthroughs,PART 3,互动探究,PART 1,基础自测,默写练习(三),.写出下列单词的汉语意思(共10小题；每小题2分，满分20分) 1.microscope n. _ 2.procedure n. _ 3.organ n. _ 4.telescope n. _ 5.mist n. _ 6.navy n. _ 7.circuit n. _ 8.microwave n. _ 9.patent n. _ 10.jet n

2、. _,查看答案,显微镜,步骤；程序,器官,望远镜,薄雾,海军,电路,微波炉,专利,喷气式,.写出下列汉语对应的英语单词(共10小题；每小题3分，满分30分) 11.困境，进退两难的窘境n. _ 12.捐赠；赠送vt. _ 捐赠n. _ 13.通信；符合vi. _ 通信；一致n. _ 14.同时adv. _ 15.分开；分离vi. _ 16.最重要的adj. _ 17.直言的，坦率的adj. _,查看答案,dilemma,donate,donation,correspond,correspondence,meanwhile,split,premier,outspoken,18.结果，后果n.

3、_ 19.治愈vt. _ 20.努力解决；摔跤；搏斗vi. _,查看答案,outcome,cure,wrestle,.写出下列短语或短语对应的汉语意思(共10小题；每小题2分，满分20分) 21.not to mention _ 22.在到之间变化或变动 _ 23.figure out _ 24.依据，按照 _ 25.in fact _ 26.be used to do. _ 27.turn to _ 28.努力解决难以处理的事物 _ 29.go out _ 30.be dedicated to. _,查看答案,更不用说,range from.to.,计算出；弄清楚,according to,

4、事实上，实际上,被用来做,转向，求助于,wrestle with sth.,熄灭,致力于,.完成句子(共5小题；每小题6分，满分30分) 31.In the summer of 1905，this outspoken young man his one-year-old baby he was suddenly inspired. 1905年的夏天，这位直率的年轻人正摇着他一岁大的孩子，这时他突然产生了灵感。 32.Einstein had already become world-famous when a young ex-lawyer, ，started work in Californ

5、ia. 就在爱因斯坦的名声响彻世界之时，从第一次世界大战的战场上回来的一个年轻律师，开始了他在加利福尼亚的工作。,查看答案,was rocking,when,returning from the First World War,33.He double-checked and saw a blue mould in the dish the bacteria had been destroyed. 他仔细检查了一下，看到碟子里有一种青霉，其周围的细菌都被消灭了。 34.This blue mould was in fact the natural form of penicillin，_ .

6、实际上这些青色的霉斑正是青霉素的自然状态，弗莱明意识到青霉素可能被用来杀死细菌。 35. about it. 关于这一点是毫无疑问的。,查看答案,around which,which Fleming,realised could be used to kill bacteria,There is no doubt,PART 2,课文预读,回归教材 萃取文本主旨,.True(T) or False(F). 1.The person who discovered penicillin was Alexander Fleming.( ) 2.Fleming had been studying bac

7、teria in his laboratory when the discovery happened.( ) 3.During the Second World War，Flemings discovery helped to cure plenty of people.( ) 4.Percy Spencer discovered microwaves by mistake.( ),查看答案,F,T,T,T,.Read the passage carefully and choose the best answer. 1.Why would people have a real dilemm

8、a，if they had to choose the single most important discovery of the 20th century? A.Because different people have different ideas and its difficult to choose. B.Because there were no great discoveries in the 20th century. C.Because there was no common standard to judge. D.Because so many amazing disc

9、overies were made in medicine， communications，transport and many other fields，and they all had a great influence on the world.,查看答案,2.How did Einstein think of the equation “Emc2”？ A.When he was at work. B.His assistant helped him. C.When he was rocking his one-year-old baby，he was inspired. D.His d

10、ream inspired him.,查看答案,3.Whose discovery can be used to save peoples lives according to the text? A.Alexander Flemings. B.Edwin Hubbles. C.Albert Einsteins. D.Eckert and Mauchlys.,查看答案,4.Whats the original purpose of designing the first computer? A.To do some difficult experiments. B.To improve the

11、 accuracy of the missiles. C.To help people make mathematics calculations. D.To replace the missiles as a new weapon.,查看答案,5.Which of the following is NOT true according to the text? A.Hubble discovered our galaxy is bigger than we thought it was. B.The blue mould was in fact the natural form of pen

12、icillin. C.Breakthrough discoveries that have affected our lives never happened by mistake. D.The first computer was hard to program.,查看答案,PART 3,互动探究,探究重点 互动撞击思维,Amazing discoveries were made in medicine，communications and transport，not to mention our knowledge of the world and space. 医学、通讯和交通运输方面都

13、有了惊人的发现，更不用说我们对世界和空间的了解了。,1,not to mention更不用说；且不说,let alone更不用说 without mentioning更不用说 mention.to.向提及 mention doing sth. 提到做某事 Dont mention it.(别人道谢时回答)不客气。 make mention of提到,重点词汇,(1)The weather here is pleasant，not to mention the wonderful food. 这里的天气太好了，更不用说美食了。 (2)I will when I see her tomorrow.

14、 明天我见到她时会向她提起这件事。 (3)Every time I mention (take) a swim in the river，she always seems unhappy. 每当我提起去河里游泳，她总是显得不高兴。 一句多译 (4)这篇文章提到了她的希腊之行。 This article she made to Greece.(mention vt.) This article she made to Greece.(mention n.),查看答案,mention it to her,taking,mentioned a trip,made mention of a trip,

15、prefer (sb. ) to do sth. 宁愿(某人)做某事,2,Medical advances ranged from discovering the causes of diseases under microscopes to surgical procedures replacing diseased organs with donated ones.人们在显微镜下发现了致病的原因，掌握了用捐献的器官来替换病变的器官的外科手术程序，诸如此类都是医学取得的进步。,donate vt.捐赠；赠送,donate sth. to.向捐赠某物 donation n.捐赠；捐赠物；捐款

16、give/make a donation to.向捐赠 donor n.捐赠者,(1)He didnt mention that he had donated 500 copies of books to your class. 他没有提到向你们班捐赠500本书的事情。 (2)We want to make a (donate) to the Project Hope，so we are organizing a charity show. 我们想为希望工程捐款，所以我们正在组织一场慈善演出。 高级表达 (3)Do you know the person who donates some mo

17、ney to that poor child every month? Do you know the person every month? (用非谓语动词改写),查看答案,donation,donating some money to that poor child,correspond vi.通信；相类似；相应；一致；符合,3,.the way we correspond went from writing letters to emailing. 我们通信的方式由过去的写信发展为发电子邮件。,correspond with sb. 与某人通信 correspond to相当于；类似于

18、correspond with/to与一致；符合 correspondence n.通信；相符，相似；一致，相当 in correspondence with与有通信联系；与一致,(1)Have you been corresponding with him since you graduated from the university? 自从大学毕业后，你一直和他通信吗？ (2)The translation does not correspond the original. 译文不符合原意。 句型转换 (3)Your account of events does not correspon

19、d with hers. Your account of events does not hers. Your account of events is not _ hers.,查看答案,to/with,agree with,in correspondence with,meanwhile(meantime) adv.同时，与此同时；其间n.其间,4,We started flying around the world and meanwhile，scientists figured out how to split the atom，previously thought to be the

20、smallest particle of matter in the universe.我们开始坐飞机环游世界，与此同时，科学家们还掌握了分裂原子的方法，原子先前被认为是宇宙中最小的颗粒。,in the meanwhile/meantime在此期间；与此同时 for the meanwhile/meantime暂时,(1)My daughter went to see her piano teacher this morning.Meanwhile/Meantime，I went shopping. 我女儿今天上午去见了她的钢琴老师。在此期间，我去购物了。 (2)We need some ne

21、w curtains，but these will do . 我们需要一些新窗帘，但这些暂时还可以用。,查看答案,for the meanwhile/meantime,一句多译 (3)我做作业的同时，我的老师正在备课。 I was doing my homework _ my teacher was preparing lessons. I was doing my homework my teacher was preparing lessons. I was doing my homework my teacher was preparing lessons.,查看答案,and (in t

22、he) meanwhile/meantime,and at the same time,while,figure out弄明白，搞清楚；计算出,一词多义 写出下列句子中figure out的汉语意思 (4)I cant figure out why he quit his job. _ (5)Have you figured out how much the holiday will cost？ _,figure in把考虑在内 figure on预料到；打算；计划,(6)Have you figured the cost of food for our holiday？ 你把咱们度假的食物费

23、用计算进去了吗？ (7)I hadnt figured getting home so late. 我没有预料到这么晚才回到家。,查看答案,弄明白,计算出,in,on,cure vt.治愈；改正 n.疗法；治疗；措施，对策,5,During the Second World War，when Flemings discovery was first helping to cure people，the US Navy was looking for ways of improving the accuracy of their missiles.在二战期间，当弗莱明的发现首次帮助治愈病人时，美

24、国海军正在寻找提高导弹命中率的方法。,cure sb. of.矫正某人的；治愈某人的 a cure for.的疗法；解决的措施,(1)Moth was diagnosed with a serious disease.There was no cure，only pain relief.(2018江苏) 莫斯被诊断为重病。不能治愈，只能缓解疼痛。 (2)The fresh air and exercise his headache. 呼吸新鲜的空气和运动治好了他的头疼。 (3)The destruction of such species could prevent researchers f

25、rom finding cures certain diseases. 这些物种的破坏会妨碍研究人员找到治疗某些疾病的方法。,查看答案,cured him of,for,易混辨析 cure，treat 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”。 treat表示“治疗”时，多接人作宾语，强调“治疗”这一动作，并不说明 是否治愈。,选词填空 cure，treat (4)The doctor was the girl who suffered from cancer. (5)Who was it that the old professor of his can

26、cer?,查看答案,treating,cured,turn to求助于；转向；翻到；变成,6,The navy turned to Eckert，an engineer，and Mauchly，a physicist，to wrestle with the problem and produce a machine to do the job. 海军部队向工程师埃克特和物理学家莫克利求助，希望他们能够设法解决这个难题，并研制一种可以做这项工作的机器。,turn on打开 turn off关掉 turn down (音量等)调低；拒绝 turn up出现；调高 turn out证明是，结果是,(

27、1)The government turned to South Africa for help. 该政府向南非求助。 (2)It turned out that the man was right all along. 结果表明那个人一直是正确的。 (3)She the job offer because she wanted a higher wage. 她拒绝了那个工作邀请因为她想要更高的工资。 (4)Its eight oclock，but the chairman hasnt yet. 都八点了，但是主席还没有出现。,查看答案,turned down,turned up,In the

28、 summer of 1905，this outspoken young man was rocking his one-year-old baby when he was suddenly inspired. 1905年的夏天，这位直率的年轻人正摇着他一岁大的孩子，这时他突然产生了灵感。,经典句式,句中用了“be doing.when.”结构，其中when为并列连词，意为“这时 (突然)”。 when作并列连词时还常用于下列句式中： be about to do.when.正要做这时(突然) be on the point of doing.when.正要做这时(突然) had just d

29、one.when.刚做完这时(突然),1,(1)I was driving down to London when I suddenly found that I was on the wrong road. 我正开车去伦敦，这时突然发现我走错路了。 (2)He _ when the police rushed into the room. 他正准备逃跑，这时警察冲进了房间。 (3)I my exam papers the bell rang. 我刚做完试卷铃就响了。 (4)He was on the point of leaving someone knocked at the door.

30、他正要走，这时有人敲门。,查看答案,was about to run away/on the point of running away,had just finished,when,when,单句改错 (5)The whole family were watching TV as the telephone rang.,查看答案,when,He double-checked and saw a blue mould in the dish around which the bacteria had been destroyed.他仔细检查了一下，看到碟子里有一种青霉，其周围的细菌都被消灭了。

31、,around which the bacteria had been destroyed是“介词关系代词”引 导的定语从句，修饰a blue mould。 “介词关系代词”既可以引导限制性定语从句，也可以引导非限制性定 语从句，不能用that代替which。 类似的结构：“介词whom”引导的定语从句修饰的先行词是人。,2,(1)I bought a great many books，on which I spent all my money that I saved. 我买了很多书，这些书花了我积攒的所有钱。 (2)Scientists have advanced many theorie

32、s about why human beings cry tears，none of which has been proved. 科学家们已经提出许多关于为什么人类哭泣时会流泪的理论，其中没有一个得到证实。 (3)Many young people，most of were well-educated，headed for remote regions to chase their dreams. 很多年轻人前往偏远地区去追逐梦想，他们中的大多数人都受过良好的教育。,查看答案,whom,句型转换 (4)The boy has a great many books and some of th

33、em are interesting. The boy has a great many books， .,查看答案,some of which are interesting,PART 4,达标检测,当堂检测 基础达标演练,1.My wife mentioned (see) you the other day. 2.The rich man was so generous that he made a large (donate) to the charity. 3.Take it easy！This medicine can cure you your toothache. 4.The W

34、oodland Trust is dedicated to _(preserve) our native woodland. 5.She still corresponds American friends she met nine years ago. 6.The young manager spent all the day (wrestle) with the difficult problem.,.单句语法填空,查看答案,seeing,donation,of,preserving,with,wrestling,7.It took them about one month to figu

35、re how to start the equipment. 8.We cant afford a car，not (mention) the fact that we have no garage. 9.In our class there are 46 students，half of wear glasses. 10.When Im in trouble，I often turn my parents for help.,查看答案,out,to mention,whom,to,11.I the phone rang. 我刚上床睡觉，电话铃就响了。 12.Maria has written

36、 two novels， have been made into television series. 玛丽亚写了两部小说，都被拍成了电视剧。 13.The man you talked just now is my neighbour. 刚才与你交谈的那个人是我邻居。,查看答案,.完成句子,had just gone to bed when,both of which,with whom,14.Mother was cleaning the room. ，father was cooking. 妈妈正在打扫房间，与此同时，爸爸正在做饭。 15.We in the lake the storm

37、 started. 我们正在湖里游泳，这时突然下起了暴雨。,查看答案,Meanwhile/In the meanwhile,were swimming,when,In just 100 years，the world changed complete. Amazed discoveries were made in many ways.Although it is impossible to choose the most important discovery，but it is possible to single out few pioneers of the 20th century.

38、“Emc2” was born when Albert Einstein is suddenly inspired.Edwin Hubble，an astronomer，discovered small area of mist where were in fact galaxies.Alexander Fleming discovered a natural form of penicillina blue mould. The worlds first computer were produced by Eckert，,the,查看答案,.课文短文改错,completely,Amazing, a,was,areas,which/that,was,an engineer and Mauchly，a physicist. With these breakthroughs，the world would have been a completely different place.,Without,查看答案,