必修四第二单元词汇学习.ppt

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1、Learning key words and expressions in unit 2 1.struggle vi.斗挣斗挣,努力努力,拼搏拼搏Eg:We should learn to struggle with difficulties.我们应该学会和困难作斗争。我们应该学会和困难作斗争。They were struggling to get out the burning car.他们挣扎着从烧着的车里往外爬。他们挣扎着从烧着的车里往外爬。She struggled up the stairs with her heavy bags.她提着沉重的行李艰难地走上楼梯。她提着沉重的行李艰难

2、地走上楼梯。搭配搭配 struggle against 与与斗争，为反对斗争，为反对而斗争，而斗争，struggle for 为争取为争取而斗争而斗争2.expand vtvi 使变大；伸展使变大；伸展eg:Metals expand when they are heated.金属受热则膨胀。金属受热则膨胀。The chair expands to form a bed.椅子展开形成一张床。椅子展开形成一张床。搭配：搭配：expand into 把把扩展扩展/膨胀为膨胀为His studio was expanded into a big company.他的工作室扩大规模而成为一家大公司了。

3、他的工作室扩大规模而成为一家大公司了。拓展：拓展：expansion n 扩大；扩张；扩展扩大；扩张；扩展3.thanks to幸亏幸亏;由于由于;因为因为Eg:Thanks to your help，much trouble was saved.多亏你的帮助多亏你的帮助,减少了许多麻烦。减少了许多麻烦。拓展拓展:thanks to=because of 由于由于 多亏多亏Thanks to your support,we won the game.由于交通堵塞我迟到了。由于交通堵塞我迟到了。_Thanks to the traffic,I was late.4.ridof 使使摆脱摆脱/清除

4、清除rid a house of mice 清除室内老鼠清除室内老鼠rid oneself of debt 还清债务还清债务rid sb./sth.of 摆脱某事摆脱某事/人人You must rid yourself of these old-fashioned ideas.你必须摆脱这些陈腐观念的束缚。你必须摆脱这些陈腐观念的束缚。Hes gone,and Im glad to be rid of him.get rid of 摆脱摆脱类似用法动词类似用法动词 inform/warn/cureof,5.be satisfied with 对对表示满足或满意表示满足或满意Eg:Youve d

5、one well at school.Im very satisfied with you.你在学校干得不错，我对你很满意。你在学校干得不错，我对你很满意。【考点聚焦考点聚焦】1）近义词组）近义词组:be content with同根词同根词:satisfy vt.满足满足;使满意使满意;satisfaction n.满意；满足满意；满足2）be satisfied to do对做对做感到满意。如：感到满意。如：He was satisfied to win the race.他对赢得赛跑感到满意。他对赢得赛跑感到满意。6.would rather 宁愿，宁可宁愿，宁可Hed rather w

6、ork in the countryside.用法用法1：would ratherthan 宁愿宁愿而不而不，与其，与其不如不如I would rather watch TV at home than go to the cinema.用法用法2：would rather than=would ratherthanFacing the enemies,our soldiers would die rather than surrender.面对敌人面对敌人,我们的战士宁死不屈。我们的战士宁死不屈。7.therefore adv.因此因此;所以所以;因而因而Eg:we dont have eno

7、ugh money and therefore we cant afford the new car.我们的钱不够，因而买不成这辆新车。我们的钱不够，因而买不成这辆新车。拓展：拓展：therefore 指指“因此，所以因此，所以”，正式用语，正式用语，常用于数学、逻辑和其他精密的推论中，用以表常用于数学、逻辑和其他精密的推论中，用以表示严密的推理。示严密的推理。Eg:he was the only candidate;therefore,he was elected.他是唯一的候选人，因此，他当选了。他是唯一的候选人，因此，他当选了。so指指“于是，因此于是，因此”，用于简洁的会话和日常的，用

8、于简洁的会话和日常的文化中，推论不必严密。文化中，推论不必严密。He was ill,so he didnt come.因为他病了，所以没来。因为他病了，所以没来。8.export v./n.出口出口 import v./n.进口进口Eg:China exports to many foreign countries.中国向许多国家出口物资。中国向许多国家出口物资。We export goods to over 40 different countries.The import of cotton goods went up sharply in 1986.在在1986年年,棉织品的进口猛增。

9、棉织品的进口猛增。9.regret vt 遗憾；惋惜遗憾；惋惜 n 遗憾；懊悔遗憾；懊悔Eg:I deeply regret what I said.我非常后悔说了那些话。我非常后悔说了那些话。I regret spending so much money on a car.我后悔在车上花了那么多钱。我后悔在车上花了那么多钱。She expressed her regret at the decision.她对这个决定表示遗憾。她对这个决定表示遗憾。拓展：拓展：regrettful adj 后悔的；遗憾的后悔的；遗憾的 regrettable adj 可惜的；令人遗憾的可惜的；令人遗憾的10.

10、build up 逐渐增强逐渐增强;建立建立;开发开发Eg:Try and build up confidence a bit.试试让他增进自信。试试让他增进自信。Good food builds up the body.好的食物使身体更加强壮。好的食物使身体更加强壮。Shes built up a very successful business.她创办的生意很红火。她创办的生意很红火。11.lead to 导致；造成导致；造成(后果后果)；通向；通向Eg:The discussion led to a big fight.那场讨论结果引起了一阵大吵。那场讨论结果引起了一阵大吵。Eattin

11、g too much can lead to health problem.吃太多会引起健康问题。吃太多会引起健康问题。All roads lead to Rome.条条大路通罗马。条条大路通罗马。联想：联想：result in 导致导致 bring about 导致导致12.focus n 焦点；中心点焦点；中心点vt 集中；聚焦集中；聚焦 focus on 集中集中(注意力、精力等注意力、精力等)于于 Eg:Please focus your minds on the following questions.请集中精力思考下列问题。请集中精力思考下列问题。Each exercise foc

12、uses on a different point.每个练习都有不同的重点。每个练习都有不同的重点。I cant focus my thought today.今天我的思想集中不起来。今天我的思想集中不起来。The photograph is out of focus.这张照片焦点没对准。这张照片焦点没对准。13.reduce v.减少；缩小减少；缩小 同义词同义词:decrease 反义词反义词:increase 搭配：搭配：reduce sth.from to 某事从某事从减少到减少到 reduce sth.by 某事减少了某事减少了.Costs have been reduced by

13、20%over the past year.过去的一年过去的一年,各项费用已经减少各项费用已经减少了了20reduce v.reduction n.1)Out of work,he is _(reduce)to begging.2)She managed to buy the cell-phone _ a reduction of 80%.reduced at be reduced to 沦落到落到 at a reduction of 打了打了的折扣的折扣 make a reduction 打折扣打折扣14.keepfree from/of 使使免受免受(影响；伤害影响；伤害);使使不含不含(

14、有害物有害物)Eg:Keep the children free from/of harm.别让孩子们受到伤害。别让孩子们受到伤害。we should keep the river free from/of pollution.我们应避免这条河受到污染。我们应避免这条河受到污染。Eatting well and good exercise keep you free from/of cold.健康的饮食和锻炼使你远离感冒。健康的饮食和锻炼使你远离感冒。15.Comment n 评论；议论评论；议论 vivt 表达意见；作出评论表达意见；作出评论Eg:Do you have any comments?你有什么评论吗？你有什么评论吗？Everyone commented on her new car.大家都在评论她的新车。大家都在评论她的新车。搭配：搭配：No comment!无可奉告！无可奉告！Good bye!Thank you for your attention!