Unit 1 Learning about language (ppt课件)(2)-2022新人教版（2019）《高中英语》选择性必修第二册.pptx

1、单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-301UNIT 1 SCIENCE AND SCIENTISTS单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-302To practice the vocabulary.To learn to use predicative clauses.To make sentences using predicative clauses.单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-303 Find the words from the p

2、revious pages with the following prefixes or suffixes.Then add two more words for each prefix or suffix,and explain their meanings.n.n.前缀前缀n.n.后缀后缀单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-304Affix词缀pneumono-(of lung 肺的)ultra-(beyond 越过)micro-(very small 极小的)scopic-(of viewing or observing 观察或注意的)s

3、ilico-(of silicon 硅的)volcano-(mountain that releases fire and ash 火山的)coni-(koni,of dust 尘土的)osis-(forming the name of a disease 表示疾病)医肺尘病,矽肺病（更准确来说是火山的灰尘引起的肺尘病,矽肺病）pneumonoultramicroscopicsilicovolcanoconiosis nju:mnultrmaikrskpiksilikvlkeinkonosis单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-305Affix

4、MeaningExamplesChangeprefix前缀re-dis-micro-trans-recover,revise,react,retell,recall,reunitediscover,disappear,dislike,disable,disappointmicrosoft,microwave,microphone,microscopetransform,transplant,transport,transferagainnotsmallcomplete change;across;meaningAffix词缀词缀单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级

5、第五级2022-9-306AffixMeaningExamplesChangesuffix后缀-ory-ion-ial-ologycontradictory,advisory,compulsoryinfection,contribution,reaction,collectionsubstantial,financial,official,commercialepidemiology,biology,physiologyof or relating toaction or processhaving the characteristics ofa branch of knowledgepart

6、 of speech词性词性单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-307PrefixWordsPrefixWordsre-micro-dis-trans-reunite,revise,recover,react,replacerecall,discover,disappear,dislike,disablemicroscope,microwave,microphonetransform,transport,transplant不，无不，无穿过，越过穿过，越过微，小微，小又，再；回来，相反又，再；回来，相反单击此处编辑母版标题样式单击此处编辑母版文

7、本样式第二级第三级第四级第五级2022-9-308SuffixWordsSuffixWords-ory-ial-ion-ology contradictory,advisory,compulsoryinfection,contribution,extinction,reaction,congratulation,collectionsubstantial,official,financial,commercialepidemiology,physiology,biologyadj.adj.的的n.n.动作、过程、动作、过程、结果、状态结果、状态adj.adj.的的n n.学，学，.科科单击此处

8、编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-309请给下列单词加上表示否定意义的前缀，并写出其汉语释义。aware _ _ legal _ _ moral _ _ sense _ _agree _ _ stop _ _relevant _ _ advantage _ _like _ _ appropriate _ _social _ _unaware illegalimmoralnonsensedisagreeinappropriatenon-stopdisadvantageirrelevantdislikeantisocial 未察觉到的未察觉到的/未意识到

9、的未意识到的不合法的；违法的不合法的；违法的不道德的；道德败坏的不道德的；道德败坏的胡说；废话胡说；废话不不同意同意；持不同意见持不同意见不停的；连续不断的不停的；连续不断的不不相关相关的；的；无关紧要无关紧要的的不利（条件）；劣势不利（条件）；劣势不喜欢；厌恶不喜欢；厌恶不不适当适当的；不的；不合适合适的的反社会反社会的；的；危害社会危害社会的的单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3010Vocabulary Learningv.to pay to receive a product regularly订阅 to agree with 赞同，

10、同意【例句例句】For learning English,I have to subscribe to some magazines.We prefer to subscribe to his explanation.【常用搭配常用搭配】subscribe to sth.I hope we can subscribe to it in China in the near future.【派生词派生词】subscription sbskripnn.捐献；订阅；订金；签署单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3011 v.to think or sa

11、y that sb./sth.is responsible for sth.bad 责怪，指责，把归咎于【例句例句】Dont blame him.After all,hes only a child.【常用搭配常用搭配】blame sb.for sth.The other driver blamed me for the accident.blame sth.on sb./sth.Police are blaming the accident on dangerous driving.be to blame forThe hot weather is partly to blame for t

12、he water shortage.单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3012 【释义释义】v.to suppose to be true or likely怀疑n.someone who is thought to be guilty of a crime 犯罪嫌疑人【例句例句】I suspected that there was something wrong with the engine.I began to suspect his motives in inviting me.Two suspects were arrested t

13、oday in connection with the robbery.【常用搭配常用搭配】suspect sb.of sth.He was suspected of treason.单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3013 Make phrases by combining the words inthe left box with those on the right.Then complete the sentences using these phrases.1.Many scientists _ the view that it

14、is human activity that has caused global warming.2.He was to _ the accident because he drove on the wrong side of the road.subscribe suspect blame link subscribe toblame forto of for支持这个观点支持这个观点因为因为该受责备该受责备单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30143.The man _ being behind the robbery was seen c

15、rossing the street.4.Since heart disease is often _ our lifestyle choices,we need to make healthy living an important part of our lives.suspected oflinked tosubscribe suspect blame link to of for是这起抢劫案的幕后黑手是这起抢劫案的幕后黑手与与有联系有联系健康生活健康生活单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30151.It is not unusual

16、for an athlete to be well known while he is active,and quickly forgotten when his athletic career is over.2.Im sure shell deal with the changes very well because shes very adaptable.Replace the underlined parts with suitable words from the box.a household namehandleraw,a household name,substantial,s

17、tatistics,handleadj.adj.服役的服役的=at work=working=at work=workingadj.adj.能适应的，适应性强的能适应的，适应性强的运动生涯运动生涯单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30163.He was ready to serve dinner to his friends when he realised that he had forgotten to turn on the oven and the meat was not cooked yet.4.He used his grea

18、t influence to change the thinking of the scientific community on this issue.5.Scientists have collected more data than expected to prove the theory.rawsubstantialstatisticsraw,a household name,substantial,statistics,handle为他的朋友准备晚餐为他的朋友准备晚餐n.n.烤箱烤箱科学界科学界单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30

19、17Read this passage about medical science.Complete it using the words below.infection,multiple,decrease,severe,transform,proof,blame,substantial单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3018UK scientists believe they may have found a way to fight the common cold.It blocks a key protein in the bodys

20、 cells that is to _ for the spread of cold-causing virus.Targeting the host rather than the _ was a bit non-traditional but made sense because it was tricky to target the virus.Cold-causing viruses are not only of _ kinds,they also _ rapidly,meaning they can quickly develop resistance to medicine.Re

21、searchers are working on making a forminfectionmultipletransformadj.=difficultadj.=difficultv.v.把把作为目标作为目标v.v.意味着意味着n.n.抵抗力，免疫力抵抗力，免疫力致力于，从事于致力于，从事于blamen.n.普通感冒普通感冒v.v.阻挠，阻止阻挠，阻止n.n.寄主，宿主寄主，宿主一种药一种药单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3019of medicine that can be taken directly into ones lungs

22、,to _ the chance of side effects.Though these scientists have made _ advances in their research,further _ is needed to make sure such drugs are not so _ that they harm the body.decreasesubstantialproofsevereinfection,multiple,decrease,severe,transform,proof,blame,substantial副作用副作用在在方面取得了实质性进展方面取得了实质

23、性进展单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3020 Discovering useful structures 单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3021His dream is to defeat Cholera.He finally became a successful scientist.The causes of the disease remain unknown to the public.The results of the experiment sound reasonabl

24、e.Learn about something about John Snow and analyzewhat part does the underlined part serve as in each sentence.表语表语单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3022What John Snow showed to the world was how cholera could be overcome.The exact places Snow marked on the map were where all those who die

25、d had lived.Snows finding was that the pump water carried cholera germs.表语从句的概念表语从句的概念系动词系动词表表语语从句从句Observe the sentences and think about what is a predicative clause.系动词系动词表表语语从句从句表表语语从句从句系动词系动词单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3023定义：表语从句放在定义：表语从句放在 之后，充当复合句中的之后，充当复合句中的 。结构结构:_ 主语主语+系动词系动

26、词+引导词引导词+简单句简单句系动词系动词 表语表语 1.右面图表里的动词，不总是用作连系动词。2.代词充当表语时，通常用代词的宾格形式。3.做题时，区分该用动词过去分词、V-ing形式还是动词的不定式充当表语：主语是动作的发出者，并且动作在持续进行时，用V-ing形式；主语是承受者时，动词使用过去分词；而当主语为动作执行者时，动词多用不定式。表语从句前的系动词表语从句前的系动词She remained _ there for a good hour,which surprised everyone.令所有人吃惊的是，她在那里站了很长时间。standing单击此处编辑母版标题样式单击此处编辑母

27、版文本样式第二级第三级第四级第五级2022-9-3024引导词引导词that,whether,as if,as though,because.连词连词when,where,why,how连接连接副词副词what/whatever,which/whichever,who/whoever,whom,whose.连接连接代词代词表语从句的引导词表语从句的引导词单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3025l In general,doctors in those days had two contradictory theories to explai

28、n how cholera spread.One theory was _ bad air caused the disease.Another was _ cholera was caused by an infection from germs in food or water.(Para.2)l What is more,in another part of London,a woman and her daughter had died of cholera after moving away from Broad Street.It seemed _ the woman liked

29、the water from the pump so much that she had it delivered to her house every day.(Para.3)thatthatthatthat _ _ 意义，在表语从句意义，在表语从句中中 _ _ 成分成分,起起_ _ 作用，作用，_ _ 省略。省略。无无不充当不充当连接连接不能不能单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3026l The question is _ we can rely on him.He often tells lies.l The question is

30、_ we can finish the task on time,for we have only three days left.whetherwhether思考：可以用思考：可以用“if”来引导吗？来引导吗？连接连接词词whether起起 _ _ 作用，意为作用，意为“_”，在句中也在句中也不作任何不作任何成分成分（注意：注意：if _引导引导表语表语从句从句)。连接连接是否、究竟、到底是否、究竟、到底不能不能单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3027l Tom is no longer _ he used to be.l The que

31、stion is _ of us should come first.(我们两个中的哪一个)l The problem is _ is really fit for the hard job.l The important thing is _name should be put on the top of the list.whatwhichwhowhose连接代词连接代词 what,which,who,whom,whose 除在句子中起除在句子中起 _ _ 作用外，还可在从句中作作用外，还可在从句中作 _、_ _ 或或 _，且，且各有词义。各有词义。连接连接主语主语表语表语定语定语单击此处

32、编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3028l Thats _ I cant agree with you.l This is _ Sara was late for the meeting.(She missed the early bus.)l This is _ they overcome the difficulties.l My strongest memory is _ I attended an American wedding as a child.wherewhyhowwhen连接连接副词副词where,when,why,how除除在

33、句中起在句中起_ _ 作用外，作用外，在从句中还充当在从句中还充当_、_、_或或_状语状语，本身，本身具有词义。具有词义。连接连接时间时间地点地点方式方式原因原因单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3029l It seems _ he doesnt know the answer.l It looks _ it is going to rain.as if/as thoughas if/as thoughas if/as though 引导的表语从句常置于引导的表语从句常置于_ _ look,seem,sound,be,become 等等_。

34、系动词系动词后面后面单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30301.The reason why he is late for school is _ he missed the bus.2.Why we decided to put off the football match is _ the weather was too bad.thatthat当主句的主语是当主句的主语是 _ 或或 why 引导的引导的 _时常时常用用 _ 来引导表语从句，而来引导表语从句，而不用不用 because。the reason主语主语从句从句thatAtt

35、ention单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30313.I think thats _ he was so angry.4.I think it is _ you are doing too much.5.The reason _ he was so late is _ it was raining hard.whybecausel that/this/it+is/was+why+_(原因/结果)表示“_”l that/this/it +is/was+because+_(原因/结果)表示“_”l the reason why is that

36、 中 why 是引导 _，that 引导的是 _，表示“_”。这这 /那就是那就是的原因的原因原因原因这这 /那就是因为那就是因为结果结果whythat定语从句定语从句表语从句表语从句的原因是的原因是 Attention单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30326.My suggestion is that we _(go)and help him.7.My advice is that we _(get)there by train.(should)go(should)get当主句的主语是表示当主句的主语是表示建议（建议（suggestio

37、n,advice）、命令（）、命令（order）、要求（）、要求（request,proposal）、计划（）、计划（plan）等的名词时，表等的名词时，表语从句要用语从句要用虚拟语气虚拟语气，即，即（should）+动词原形动词原形。Attention单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30331.这就是去年举行运动会的地方。This is last year.2.唯一的问题是这个过程会有多快。The only question is.3.我想知道的是你何时能完成任务。What I want to know is .4.困难看来少不了。the

38、re are going to be a lot of difficulties.5.窗户都打开了，难怪这么冷。All the windows are open;thats.where the sports meeting was heldhow fast the process will bewhen you can finish the taskIt looks as if/thoughwhy it is so cold引导词引导词充当成分充当成分备注备注who,what,which,whoever,whatever,whichever主语主语翻译视语境而定whom,who,what,wh

39、ich,whoever,whatever,whichever宾语、表语宾语、表语whose,what,which定语定语when,where,why,how状语状语that,whether,as if,as though,because不充当成分不充当成分总总结结即学即学即练即练单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3034Complete the following ideas by famous scientists with a word or expression that introduces a predicative clause

40、and translate them in your own words.1.Research is _ Im doing when I dont know what Im doing.(Werner von Braun)what as though because that what whoever whyPractice and Apply 研究就是当我不知道自己在做什么的时候我在研究就是当我不知道自己在做什么的时候我在做的事做的事。布劳恩（徳裔美籍火箭科学家）布劳恩（徳裔美籍火箭科学家）单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30352.Th

41、e saddest aspect of life right now is _ science gathers knowledge faster than society gathers wisdom.(Isaac Asimov)that as though because that what whoever whyPractice and Apply当下生活最可悲的一面就是科学积当下生活最可悲的一面就是科学积累知识的速度超过了社会积累智慧累知识的速度超过了社会积累智慧的速度的速度。艾萨克艾萨克阿西莫夫阿西莫夫 （美国科幻小说作家、化学家）（美国科幻小说作家、化学家）单击此处编辑母版标题样式单

42、击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30363.An expert can be _ has made all the mistakes that can be made in a very narrow field.(Niles Bohr)whoever as though because that what whoever whyPractice and Apply专家可能是在一个非常狭窄的领域里犯了专家可能是在一个非常狭窄的领域里犯了所有可能犯的错误的人所有可能犯的错误的人。尼耳斯尼耳斯玻尔玻尔 （丹麦物理学家）（丹麦物理学家）单击此处编辑母版标题样式单击此处编辑

43、母版文本样式第二级第三级第四级第五级2022-9-30374.When different experiments give you the same result,it is no longer subject to your opinion.Thats the good thing about science:It is true whether or not you believe in it.Thats _ it works.(Neil deGrasse Tyson)why as though because that what whoever whyPractice and Appl

44、y当不同的实验呈现出相同的结果时，它就不再受当不同的实验呈现出相同的结果时，它就不再受制于你的意见。这就是科学的好处制于你的意见。这就是科学的好处:不管你信不不管你信不信它都是真的。这就是科学工作的原理信它都是真的。这就是科学工作的原理。奈尔奈尔德葛拉司德葛拉司泰森泰森 （美国天文学家）（美国天文学家）单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30385.This applied science,which saves work and makes life easier,brings us little happiness.That is _ we

45、 have not yet learnt to make sensible use of it!(Albert Einstein)because as though because that what whoever whyPractice and Apply这种节约工作量，使生活更容易的应用科学，这种节约工作量，使生活更容易的应用科学，给我们带来的快乐很少。那是因为我们还没有给我们带来的快乐很少。那是因为我们还没有学会合理地利用它学会合理地利用它!爱因斯坦爱因斯坦单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-30396.There are only t

46、wo ways to live your life.One is _ nothing is a miracle.The other is _ everything is a miracle.(Albert Einstein)as thoughas though as though because that what whoever whyPractice and Apply你的生活只有两种方式。一种是好像什么都你的生活只有两种方式。一种是好像什么都不是奇迹。另一种是好像一切都是奇迹不是奇迹。另一种是好像一切都是奇迹。爱因斯坦爱因斯坦单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第

47、四级第五级2022-9-3040A1.What was Snows discovery in two particular streets in London?Snows discovery in two particular streets in London was that _.2.What was Snow determined to find out during the 1854 outbreak of cholera in London?What Snow was determined to find out was why _.3.What were the exact pla

48、ces Snow marked on the map?The exact places Snow marked on the map were where _.4.What was the finding that Snow announced?Snows finding was that _.EXAMPLEWhat Was it that John Snow showed to the world?What John Snow showed to the world was how cholera could be overcome.the cholera outbreak was so s

49、evere that more than 500 people died in ten daysthe outbreak of cholera had caused over 500 deaths within ten daysall those who died had livedthe pump water carried cholera germs表语从句表语从句 Exercise 1单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级2022-9-3041A:Absolutely!You may not believe it,but that was _ happe

50、ned at the initial stage of our groups research on developing a vaccine for malaria.B:Yes,it is.And it seemed _ all the theories were useful,but the fact was _ we couldnt persuade one another that one theory was better than another.C:Exactly.The problem was not about _ all our theories were equally