高二英语必修五第一单元知识点讲解(重要)(共6页).doc

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1、精选优质文档-倾情为你奉上必修5 Unit1 Great scientistsPart 1. Warming up1. explain 及物动词（vt.）解释;说明;阐明(+to)+wh-+(that)He explained that he had been cheated. 他解释说他是上当受骗了。Can you explain how the machine operates?你能解释一下这机器是如何运转的吗?Please explain this rule to me.请给我讲解一下这条规则。（vi.）解释;说明;辩解Ive got to explain about it. 我得解释一

2、下此事。2. characteristic n. 特征；特性 Kindness is one of his characteristics. adj. 独特的 I heard my friends characteristic laugh. be characteristic of sb./sth. 是.的特性 Such bluntness is characteristic of him. 如此迟钝是他的特性。3. Who put forward a theory about black holes?put forward 提出（建议等）；提名;提前，把时钟往前拨He put forward

3、 a new plan. 他提出一个新计划。May I put your name forward as a possible chairman of the committee?我能否提名你当委员会主席？归纳拓展put down 记下；镇压put out 关掉；熄灭put aside 放在一边；储存；保留put off 推迟；延期put up 建造；举起；张贴put on 穿上put away 收好选词填空（put off, put up, put forward, put aside, put out）The plan that you _ at the meeting is wonder

4、ful.Many tall buildings were _ along the road.Firefighters have been called to _ the fire in the city center.He has a little money to _ for a rainy day.Dont _ until tomorrow what can be done today.Part 2. Pre-reading, reading and comprehending 1. Do you know how to prove a new idea in scientific res

5、earch how to prove a new idea 为“疑问词+不定式”结构，该结构可在句中作主语、宾语、表语等。 We havent decided where to go. 我们还没有决定去哪里。 The question is when to leave. 问题是什么时候动身。2.draw a conclusion 得出结论1） conclusion作名词，意为“结束，结论” come to/reach/arrive at a conclusion 得出结论 in conclusion 最后 I will in conclusion say a few words about m

6、y visit to Tokyo.最后，我对我的东京之行说几句。2）conclude作动词，“结束；断定；决定”。to conclude（作插入语）最后,作为总结(= to sum up)To conclude, I think smoking does more harm than good to us.3）John Snow was a famous doctor in London so expert, indeed, that he attended Queen Victoria as her personal physician. 约翰斯诺是伦敦一位著名的医生他的确医术精湛，以至于成

7、了照料维多利亚女王的私人医生。 3.expert n. 专家，能手 an expert in psychology（心理学） an agricultural expert adj.熟练的，有专门技术的 an expert job需专门知识的工作He is expert in / at cooking.attend vt. &vi 参加，注意，照料 be present at参加attend a ceremony / lecture / a meeting attend to (on): to look after, care for, serve伺候, 照顾，看护The queen had a

8、 good doctor attending （on ）her.Dr Smith attended her in hospital. Mother had to attend to her sick son. attend to处理，注意倾听 Can you attend to the matter immediately? I may be late I have got one or two things to attend to.4. But he became inspired when he thought about helping ordinary people exposed

9、to cholera. 但当他一想到要帮助那些得了霍乱的普通人时，他就感到很振奋。(1) exposed to cholera 在句中是过去分词作后置定语，表示被动。意为“患霍乱的”。如：The book written by Luxun is very popular. 鲁迅写的书是很受欢迎的。The man seen by us yesterday is Professor Smith. 昨天我们看见的那个人是史密斯教授。(2) expose 暴露 expose sb/sth to sth He exposes his skin to the sun. 他把皮肤暴露在阳光下。揭露He ex

10、posed their plot. 他揭穿了他们的阴谋。The crime of the corrupt officials must be exposed without any reserve. 对贪官污吏的罪行一定要毫无保留地予以揭发。exposed adj. 暴露的，暴露于风雨中的，无掩蔽的 exposedness n. 暴露，显露 expose sth. to the light of day 把某事暴露于光天化日之下expose a fraud 揭穿骗局 练习：The disc, digitally _ in the studio, sounded fantastic at the

11、 party that night. A. recorded B. recordingC. to be recordedD. having recorded 5. Neither its cause nor its cure was understood. 对于它的起因和治疗方法人们都不清楚。 neither.nor.既不也不，连接句中两个相同成分。I neither knew nor cared what had happened to him.我既不知道也不关心他出了什么事。Neither France nor Britain will attend the meeting next we

12、ek.法国和英国都将不会参加下星期的会议。Neither Jim nor his parents have seen the film.Neither his parents nor Jim has seen the film.吉姆和她的父母都没有看过这部电影。cure vt. 治疗,治愈,改正 n. 治疗,治愈,治疗法cure sb（of sth）治好了某人（的.,.) The only way to cure backache is to rest. 治疗背痛的唯一办法是休息。 When I left the hospital I was completely cured. That na

13、sty shock cured him of his inquisitiveness forever. 那一沉重教训根除了他凡事爱打听的毛病。 This illness cannot be cured easily. 这种病不好治. a cure for sth.治疗的方法;解决问题，改善困境Is there a certain cure for cancer yet? 癌症迄今有无有效的治疗方法? The prices are going up every day, but there is no cure for rising prices.6.So many thousands of t

14、errified people died every time there was an outbreak.人们既不知道它的病因，也不懂如何治疗。每次爆发霍乱时就有成千上万惊恐的人病死。(1)本句为复合句，“So many thousands of terrified people died” 为主句，every time引导时间状语从句，意思是“每当”。(2)有些名词短语或副词可以起连词的作用，引导时间状语从句。例如：every time，each time，the last time，next time，the moment，the minute，immediately，instantly

15、等。Every time/Each time I express an opinion，she argues back.每当我发表意见时，她总是反驳。I found myself in an entirely new world the moment/the minute/immediately I arrived here.我一到这里就感到耳目一新。The last time I saw him，he was quite well.我最后一次看到他时，他还相当健康。Give your father my best regards next time you see him.下次你见到你父亲时

16、，请代我向他致以最好的问候。拓展延伸(1)for the first time是介词短语，常用作时间状语，而the first time是连词，引导时间状语从句。(2)It is the first time that.如果前面用is，从句动词用现在完成时；如果前面用was，则从句动词用过去完成时.(3)Its (high) time that.从句动词用过去时或should动词原形。Its high time we took immediate action to prevent pollution.该到我们立即采取措施阻止污染的时候了。7.The first suggested that

17、cholera multiplied in the air, a cloud of dangerous gas floated around until it found its victims.第一种看法是霍乱病毒在空气中繁殖，像一股危险气体在空中到处漂浮，直到找到病毒的受害人。suggest v. 建议；暗示；表明suggest+doing / sth. / that sb. (should) do sth. May suggested a picnic at the weekend. He suggested to us a visit to the Great Wall. He sug

18、gested us visiting the Great Wall. I suggested leaving early for the airport. He suggested that we (should) visit the Great Wall. She suggested that her father (should) give up smoking. *suggest (暗示，表明)+从句不用虚拟语气。 The smile on her face suggested that she agreed with me. The look on his face suggested

19、 that he was happy.8.The second suggested that people absorbed this disease into their bodies with their meals.第二种看法是人们是在吃饭时把这种病毒引入体内的。absorb vt.(1)专注，聚精会神be absorbed input ones heart into集中精力做某事I was absorbed in a book and didnt hear your call. 我正专心看书，没听到你的电话。Absorbed in his work，Tom simply forgot

20、food and sleep.汤姆专心工作，几乎忘记了吃饭和睡觉。（2）吸收，把吸收入（absorb.into.） Black cloth absorbs light.黑布吸收光线。 The big company has gradually absorbed these small companies into its own organization.这家大公司逐渐将这些小公司吞并了。The clever boy absorbed all the knowledge his teacher could give him.那个聪明的男孩把他老师所能教他的所有知识都理解了。9.John Sno

21、w suspected that the second theory was correct but he needed evidence.约翰斯诺推测第二种说法是正确的，但需要有证据。suspect vt. 认为，怀疑 常用短语：suspect sth to be; suspect sb of doing sth.They suspect him to be the murderer.(他们怀疑他是凶手) She suspected him of taking her money. n. 嫌疑犯;可疑分子C10 .,the cholera outbreak was so severe tha

22、t more than 500 people died in ten days. severe adj. 严厉地；苛刻的；严格的 be severe with/on 对.严格/严厉 You are too severe on the boy. 剧痛的；剧烈的；严重的 a severe attack of toothache 牙痛的剧烈发作 adv. severely11.Next, John Snow looked into the source of the water for these two streets. 接下来，约翰斯诺调查了这两条街上的水源。Look into调查，了解，研究；

23、朝里面看与ones face/eyes等连用，表示“注视” He looks into her face with great interest.他饶有兴趣地注视着她的脸。和look组成的其他短语look around/about环顾四周look after照顾；照料look back回头看 look back on 回顾；回想look down upon 轻视，瞧不起 look for 寻求；寻找look forward to (doing) 盼望look on旁观look on/upon.as把看作look out往外看；注意；当心look through浏览 look up抬头看；查看l

24、ook up to sb. 尊敬/仰慕某人12. It seemed that the water was to blame.看来要归罪于饮用水了。blame v. 责备；谴责；把归咎于 n. 过失；责备;(过失、过错等)责任 blame sb. for sth. / doing sth.为某事责备某人 / 责备某人做了某事They blamed the secretary for the delay of the plan. blame sth. on sb. / sth. 把某事归咎于某人;因某事而指责某人 The police blamed the traffic accident on

25、 jacks careless driving. be to blame for(doing)sth 因(做)某事某人应该受到谴责；注意:be to blame应受责备（主动表被动）；应负责任The driver was not to blame for the traffic accident. accept / bear / take the blame for sth. 对某事负责任He is ready to take the blame for what had happened. put / lay the blame for sth. on sb. 将某事归咎于某人13.In a

26、nother part of London, he found supporting evidence from two other deaths that were linked to the Broad Street outbreak.在伦敦的另一地区，他从另外两例与布洛德街疾病爆发有关的死亡病例中得到了有力的证据。link vt. 连接；联系n. 环；连接；联系；纽带14.A woman, who had moved away from Broad Street, liked the water from the pump so much that she had it delivere

27、d to her house every day.一个妇女，从布洛德街搬走了，但她非常喜欢水泵的水，她让人每天从水泵给她家送水。 15. With this extra evidence John Snow was able to announce with certainty that polluted water carried the virus.利用这个额外证据，约翰斯诺就可以很有把握地宣布污染水携带病菌。announce vt.(1)宣布，宣告(决定、计划等) announce sth.(to sb.)(向某人)宣布、通告某事announce that.宣布；通知 It is ann

28、ounced that.据宣布 Please announce to your class that there will be no school tomorrow.请通知你们班明天不上学。It has been officially announced that he will pay a second visit to China soon.据官方消息称，他不久将再次来中国访问。 (2)(事情)显示；预告The bright flowers announced that spring was here.鲜艳的花朵显示春天已经来到。拓展延伸announcement n宣布；口头通知 ann

29、ouncer n.播音员make an announcement下通知 16.To prevent this from happening again, John Snow suggested that the source of all the water supplies be examined. 为防止这种情况再度发生，约翰斯诺建议，所有水源都要经过检测。prevent/stop.(from) doing sth. 或keep.from doing sth.意为“阻止做某事”What can we do to prevent the disease spreading.我们能做什么来防止

30、这种疾病蔓延呢？We should take measures to prevent the river from being polluted further.我们应该采取措施阻止这条河受到进一步的污染。examine v. 检查；细查；诊察; 审问；盘问The doctor examined the boy and found there was nothing the matter with him. The lawyer examined the witness. examination n. 考试； 检查；细查take an examination 参加考试medical exami

31、nation 体检under examination 在检查中；在审查中17. Finally “King Cholera” was defeated.“霍乱王”终于被击败了。辨析win, beat与defeatwin “赢得”赛事、战事、某物；beat “战胜”“击败”比赛中的对手，可与defeat互换We beat / defeated their team by 10 scores.They won the battle but lost many men.The local ball team won the state championship by beating / defeat

32、ing all the other teams.Part 3. Learning about Language1. take in 收留；包括take相关短语：take after 相似 take apart把(小型机器、钟表等)拆开;拆散take away 拿走 take back承认说错了(话),收回(诺言,话语)；使回忆起；送回,还回去;退(货)take off 脱下,脱去(尤指衣服); 解(拿)掉 -put on (反义词)；(飞机等)升空,起飞take on雇用；开始具有/ 呈现(某种品质、面貌等); 露出；接受(工作等);承担(责任等)take out带(某人)去(某处参加社交活动

33、等)；正式取得,领得,获得；洗去(污迹),使褪色take over 接手,接任;接管take up开始花时间从事(某项活动);对产生兴趣; 开始学习(某课程),选修；(事物或事件)占用了(时间或空间)；接受的建议；继续 take for granted 想当然认为(会是某种情况),认为是理所当然的;认为没有问题 take for instance / example 以为例 take into account / consideration 考虑到,把考虑进去 take pride in / be proud of 为感到自豪/ 骄傲 take revenge on 向.报复 take one

34、s place 代替某人 take the opportunity 利用这个机会 take turns 轮流(做某事) 2. construction n.建设；建筑业；建造 He works in construction industry. 他在建筑行业工作。 There are two new hotels under construction. 有两家新饭店正在兴建。 词组扩展：construction workers 建筑工人 under construction 正在建设中3.apart from有两种含义：1）相当于besides.意为“除以外（还包括）”Apart from my mother tongue, I speak several foreign languages as well. 除了母语外，我还会讲好几种外语。2）相当于except.意为“除以外（不包括）”I like all the subjects apart from English.除了英语外，我喜欢所有学科。 专心-专注-专业