高考英语大一轮复习课件:必修5Unit 3.ppt
Unit 3Science and nature【话题词汇话题词汇】1.challenge n.挑战挑战;艰巨的任务艰巨的任务2.technology n.技术技术3.concern n.关注关注4.reproduce v.复制复制;再现再现5.benefit v.有益于有益于 n.益处益处,好处好处6.disagree v.不同意不同意7.support v.支持支持,赞成赞成8.endangered adj.快要绝种的快要绝种的9.potential adj.潜在的潜在的,有可能的有可能的10.serve as 充当充当,担任担任11.such as例如例如12.be different from 与与不同不同13.do harm to 损害损害14.bring about 导致导致15.work on 从事从事16.in hope of希望希望【经典语篇经典语篇】(2013广广东东高高考考)你你接接受受了了一一项项写写作作任任务务,要要为为英英语语校校报报写一篇写一篇120个词左右的时事快讯。个词左右的时事快讯。请根据以下信息请根据以下信息,写一篇关于移民火星的快讯。写一篇关于移民火星的快讯。志愿者的选拔志愿者的选拔:到到2015年年,在全球选出约在全球选出约30名去火星的志愿者。名去火星的志愿者。志志愿愿者者的的条条件件:至至少少18岁岁;做做好好不不回回地地球球的的准准备备;愿愿与与他他人人保保持良好的关系。持良好的关系。专家观点专家观点:火星生活条件太艰苦火星生活条件太艰苦;面临严寒气候、孤独和恐惧。面临严寒气候、孤独和恐惧。志志愿愿者者观观点点:厌厌倦倦地地球球生生活活,想想体体验验火火星星生生活活;如如果果成成功功,就就是是人类英雄。人类英雄。*火星火星:the Mars介介绍绍活活动动目目的的Thirty volunteers will be chosen all over the world and be sent to the Mars in 2015.对对活活动动的的看看法法Those volunteers,who must be willing to get along well with others,should be over 18 and be prepared for the chance that he/she wont return to the earth.Experts think that it is tough for human beings to live on the Mars,because they will face the bitter cold weather,loneliness and fear.对对活活动动的的期期待待However,some volunteers say that they are tired of the life on the earth,and want to experience the new life on Mars.They also think that if they succeed,they will be heroes of the human.【厚积薄发厚积薄发】.完成句子完成句子(1)Cloning technology has _ to human life,and particularly,human cloning has become _.克隆技术给人类的生活带来了很多好处克隆技术给人类的生活带来了很多好处,特别是人体克隆技特别是人体克隆技术已经引起了人们的广泛关注。术已经引起了人们的广泛关注。(2)Scientists often _the research of Mars weather _ _better understanding our own.科学家们经常研究火星的天气科学家们经常研究火星的天气,希望可以更好地了解地球的希望可以更好地了解地球的天气。天气。brought about a lot of benefitsa great concernwork oninhope of.句型转换句型转换(1)把句把句改为非谓语形式作后置定语。改为非谓语形式作后置定语。Thirty volunteers _will be sent to the Mars in 2015.(2)把句把句前半部分改为前半部分改为think+复合宾语结构。复合宾语结构。Experts think _live on the Mars.(3)把句把句改为改为so.that.结构。结构。However,some volunteers say that they are _they want to experience the new life on Mars.to be chosen all over the worldit tough for human beings toso tired of the lifeon the earth that.单词单词分类记忆分类记忆【核心单词核心单词】不可不记不可不记1._(vt.)收养收养,领养领养;采用采用,采纳采纳2._(vt.&vi.)证实证实,证明证明;确认确认;使确信使确信3._(n.)赞同赞同,支持支持;恩惠恩惠,帮助帮助;偏爱偏爱,偏袒偏袒 4._(vt.)使惊吓使惊吓,使惊恐使惊恐5._(adj.)原来的原来的,起初的起初的;首创的首创的;非复制的非复制的_(n.)起源起源,起因起因;出身出身 adoptconfirmfavourfrightenoriginalorigin6._(adj.)真实的真实的,实际的实际的_(adv.)事实上事实上,实际上实际上7._(n.)仔细考虑仔细考虑;必须考虑的因素必须考虑的因素;体谅体谅,顾及顾及_(vt.&vi.)考虑考虑;认为认为_(adj.)体贴的体贴的,体谅的体谅的,考虑周到的考虑周到的_(adj.)相当大的相当大的;相当重要的相当重要的8._(n.)准许准许,许可许可,批准批准_(v.)许可许可,准许准许(n.)许可证许可证 actualactuallyconsiderationconsiderconsiderateconsiderablepermissionpermit9._(n.)意图意图,目的目的;企图企图_(v.)打算打算,想要想要_(adj.)故意的故意的,打算的打算的10._(n.)忧虑忧虑,焦虑焦虑,不安不安_(adj.)焦虑的焦虑的,担心的担心的intentionintendintendedanxietyanxious【高频单词高频单词】不可不知不可不知11._(vt.)使改变外观或性质使改变外观或性质(尤指向好的方向尤指向好的方向);使改变形态使改变形态12._(n.)突破突破13._(adj.)准确的准确的,精确的精确的14._(n.)利润利润,收益收益(vi.&vt.)获益获益;对对有用有用15._(n.)结果结果,后果后果_(adj.)随之发生的随之发生的_(adv.)因此因此,所以所以transformbreakthroughaccurateprofitconsequenceconsequentconsequently16._(n.)罪罪,罪行罪行_(n.)罪犯罪犯(adj.)有罪的有罪的17._(n.)职业职业,行业行业_(adj.)专业的专业的,职业的职业的18._(vt.)实施实施,指挥乐队指挥乐队_(n.)售票员售票员;(乐队乐队)指挥指挥19._(n.)总结总结;概括概括,概要概要_(vt.)总结总结,概括概括crimecriminalprofessionprofessionalconductconductorsummarysummarize.短语短语双语互译双语互译1.一方面一方面另一方面另一方面 _2.戏弄戏弄,摆弄摆弄;把把当作儿戏当作儿戏_3.集中精力于集中精力于;全神贯注于全神贯注于 _4.为了为了,以以为目的或意图为目的或意图 _5.义无反顾地进行义无反顾地进行,努力推进努力推进 _6成功做成某事成功做成某事 _on the one hand.on the other hand.toy withconcentrate onwith the intention ofpush ahead withsucceed in doing sth.7.供出售供出售,待销售待销售 _8.对对进行评论进行评论 _9.in agreement with_10.make sense _11.turn out _12.put.in place _13.be/get burnt out _14.with reference to _15.follow in ones footsteps _for salecomment on同意同意;与与一致一致有意义有意义,有道理有道理,讲得通讲得通结果是结果是,证明是证明是,生产生产将将落实到位落实到位,实施实施耗尽体力耗尽体力,累垮累垮关于关于,有关有关效仿某人效仿某人16.in summary_17.take.into consideration_18.in favour of_19.point of view _20.be cautious with_总之总之,概括起来概括起来认真考虑认真考虑赞同赞同,支持支持观点观点对对谨慎谨慎/小心小心语境取词语境取词选用上面的单词或短语填空选用上面的单词或短语填空_(一方面一方面),we should _(集中集中精力于精力于)our study,on the other hand we must be _(支持支持)doing sports.Only in this way can we _(成功实现梦想成功实现梦想).After he decided to _(效仿雷效仿雷锋锋),he _(义无反顾地进行义无反顾地进行)his decision.He always tried his best to meet others need._(总之总之),we should learn from him.On the one handconcentrate onin favourofsucceed inreaching our dreamsfollow in Lei Fengs footstepspushed ahead withsummaryIn.句型句型超级仿写超级仿写1.the first/second+n.to do sth.第一个第一个/第二个第二个做某事做某事_(第一只被成功克第一只被成功克隆出来的哺乳动物隆出来的哺乳动物)from an adult cell was Dolly the sheep.【仿写仿写】你是第一个请求我同意的人。你是第一个请求我同意的人。Youre _me for permission.The first mammal to be cloned successfullythe first person to ask2.if引导的虚拟条件句引导的虚拟条件句_(如果有机会如果有机会,我会立即要一个克隆婴儿我会立即要一个克隆婴儿).【仿写仿写】如果我有足够的钱如果我有足够的钱,我就买下那辆车了。我就买下那辆车了。_If I had the chance,I would have a cloned baby right nowIf I had enough money,I would buy that car.3.while引导让步状语从句引导让步状语从句_(尽管克隆人类胚胎在很多国家还不合法尽管克隆人类胚胎在很多国家还不合法),some scientists are already pushing ahead with research in order to produce a cloned human baby.【仿写仿写】尽管现在的机遇比过去多尽管现在的机遇比过去多,但竞争却更加激烈。但竞争却更加激烈。_,the competition is getting tougher.While cloning human embryos is not legal in many countriesWhile there are more opportunities than pared with过去分词短语作状语过去分词短语作状语For example,cloned animals are not very healthythey nearly always live brief,painful lives _(与普通的动物相比与普通的动物相比).【仿写仿写】的确的确,与他们相比与他们相比,我们的生活更舒适。我们的生活更舒适。Indeed,_,our lives are more pared with ordinaryanimalscompared with them5.the aim of(doing)sth.is to.(做做)某事的目的是某事的目的是_(转基因研究的一个目的是转基因研究的一个目的是)produce food which will make us healthier.【仿写仿写】教育的目标是培养人。教育的目标是培养人。_One aim of GM research is toThe aim of education is to train people.6.rather than引导并列成分引导并列成分Research has been limited to increasing production profits,_(而不是而不是)making sure that GM foods are safe.【仿写仿写】你应该关注的是自己欠缺的东西你应该关注的是自己欠缺的东西,而不是所拥有的而不是所拥有的东西。东西。Your focus should be on what you lack _.rather thanrather than what youhave【重点单词重点单词】1.adopt vt.收养收养,领养领养;采用采用,采纳采纳【填一填填一填激活思维激活思维】Many childless couples are willing to _ _.许多无子女的夫妇愿意收养孩子。许多无子女的夫妇愿意收养孩子。He eagerly recommended us to _ _ _.他热切地建议我们采纳那个计划。他热切地建议我们采纳那个计划。adopt childrenadopt that plan【记一记记一记构建知识构建知识】(1)adopt ones advice/suggestion/plan.采纳某人的建议采纳某人的建议/方案方案(2)adoption n.收养收养,采用采用*Teachers are encouraged to adopt new teaching approaches to improving the students study efficiency.老师们被鼓励采用提高学生们的学习效率的新的教学方法。老师们被鼓励采用提高学生们的学习效率的新的教学方法。*We argued her into the adoption of the plan.我们说服她采纳这项计划。我们说服她采纳这项计划。【悟一悟悟一悟参透误区参透误区】adopt与与adapt为为易易混混词词汇汇,adapt的的含含义义是是“(使使)适适应应,改改编编”,要注意两者在句中的差异。要注意两者在句中的差异。2.consequence n.结果结果,后果后果【填一填填一填激活思维激活思维】(2013福建高考福建高考)_ _ _,children become so reliant on their parents that they have no independent thought or creative ideas.结果结果,孩子们变得如此依赖父母孩子们变得如此依赖父母,以至于他们没有独立的思以至于他们没有独立的思想或创造性思维。想或创造性思维。Many people are facing unemployment _ _ _ _ the companys going bankrupt.因为这家公司的破产许多人将面临失业。因为这家公司的破产许多人将面临失业。As a consequenceas a consequenceof【记一记记一记构建知识构建知识】as a consequence in consequenceas a consequence of in consequence of*In consequence of/As a consequence of his bad behavior he was dismissed.=He behaved badly and as a consequence/in consequence,he was dismissed.由于行为不良由于行为不良,他被开除了。他被开除了。因此因此,结果结果由于由于,因为因为缘故缘故【拓展延伸拓展延伸】有有相相同同含含义义的的短短语语还还包包括括:as a result(因因此此,结结果果),as a result of(由于由于,因为因为)。3.consideration n.仔细考虑仔细考虑;必须考虑的因素必须考虑的因素;体谅体谅,顾及顾及【填一填填一填激活思维激活思维】We have to _ his age _ _ when talking about the boys performance.谈到这个男孩的表现谈到这个男孩的表现,我们必须把他的年龄考虑在内。我们必须把他的年龄考虑在内。The managers new marketing plan is currently _ _.经理的新市场方案目前正在讨论之中。经理的新市场方案目前正在讨论之中。takeinto considerationunderconsideration【记一记记一记构建知识构建知识】(1)take sth.into consideration考虑某事考虑某事,把把考虑在内考虑在内under consideration 在考虑中在考虑中,在研究中在研究中show consideration for 照顾照顾,顾及顾及(2)consider v.考虑考虑,认为认为(3)considerateadj.考虑周到的考虑周到的*You showed no consideration for anyone else but yourself!你一点都不为别人考虑你一点都不为别人考虑,只想到你自己只想到你自己!4.confirm v.证实证实;确认确认;批准批准【填一填填一填激活思维激活思维】观察句子观察句子,写出黑体部分的含义。写出黑体部分的含义。(2013湖北高考湖北高考)I looked at the X-ray again,and more tests confirmed it wasnt the cancer.()Mr Bakers assistant telephoned to confirm his appointment with the chairman.()The organization has confirmed the appointment of Mr Collins as managing director.()证实证实确认确认批准批准【记一记记一记构建知识构建知识】confirm a theory/rumour证实一种理论证实一种理论/谣言谣言confirm ones belief/resolution 坚定某人的信念坚定某人的信念/决心决心confirm a contract 签合同签合同,批准合同批准合同5.favour(=favor)n.赞同赞同;恩惠恩惠;偏爱偏爱【填一填填一填激活思维激活思维】(2013大纲版全国卷大纲版全国卷)Im writing to ask you to _ _ _ _.我写信是想请你帮我一个忙。我写信是想请你帮我一个忙。Could I _ _ _ _ to retell what you have said in class?你能帮忙把课堂上所说的再说一遍吗你能帮忙把课堂上所说的再说一遍吗?They are all _ _ _ cutting down on the income tax.他们都赞同减少征收所得税。他们都赞同减少征收所得税。do me afavourask you a favourin favour of【记一记记一记构建知识构建知识】(1)do sb.a favour/do a favour for sb.给某人以恩惠给某人以恩惠,给某人帮忙给某人帮忙do sb.the favour to do sth.给某人帮忙做某事给某人帮忙做某事ask a favour of sb.=ask sb.a favour 请某人帮忙请某人帮忙(2)in favour of赞同赞同,支持支持in sb.s favour 对某人有利对某人有利*Please do me the favour to post the letter.请帮我把这封信寄了。请帮我把这封信寄了。6.frighten vt.使惊吓使惊吓,使惊恐使惊恐【填一填填一填激活思维激活思维】(2013浙江高考浙江高考)Whenever the young animal is _,disturbed,or annoyed,it typically rushes to its mother and rubs itself against her body.当年幼的动物受到惊吓、不安或生气时当年幼的动物受到惊吓、不安或生气时,它通常会冲到母亲它通常会冲到母亲身边并摩擦她的身体。身边并摩擦她的身体。They _ the old lady _ signing the paper.他们威胁那位老太太他们威胁那位老太太,让她在纸上签了字。让她在纸上签了字。He was _ _ the terrible sight.看到这可怕的情景看到这可怕的情景,他害怕了。他害怕了。frightenedfrightenedintofrightened at【记一记记一记构建知识构建知识】(1)frighten.away 把把吓跑吓跑,吓走吓走frighten sb.into/out of doing sth.吓得某人做吓得某人做/不敢做某事不敢做某事(2)frightened adj.害怕的害怕的be frightened to death 被吓得要死被吓得要死be frightened of 害怕害怕be frightened at sth.对对感到害怕感到害怕/惊恐惊恐*The boy frightened away the pigeons from the roof.那个男孩把屋顶上的鸽子吓飞了。那个男孩把屋顶上的鸽子吓飞了。*She is frightened of snakes.她害怕蛇。她害怕蛇。【核心短语核心短语】7.push ahead with义无反顾地进行义无反顾地进行,努力推进努力推进【填一填填一填激活思维激活思维】To promote the development of economy,the government is _ _ _ the market reform.为了促进经济发展为了促进经济发展,政府正在努力推进市场改革。政府正在努力推进市场改革。We must _ _ _ our work.我们必须努力推进我们的工作。我们必须努力推进我们的工作。pushing ahead withpush ahead with【记一记记一记构建知识构建知识】push ahead 向前进向前进;抓紧抓紧push aside 把把推向一边推向一边;不管不管,不顾不顾push down推倒推倒,压倒压倒push forward(不顾困难不顾困难)继续前进继续前进 push ones way推开人群以通过推开人群以通过;挤过去挤过去*If we push ahead,we can get home before dark.如果我们抓紧如果我们抓紧,天黑前我们还能赶到家。天黑前我们还能赶到家。8.in agreement with 同意同意;与与一致一致【填一填填一填激活思维激活思维】His opinion is _ _ _ mine.他的意见和我的一致。他的意见和我的一致。The whole family were _ _ _ what they should do.全家人在他们应该做什么的问题上意见一致。全家人在他们应该做什么的问题上意见一致。in agreement within agreement on【记一记记一记构建知识构建知识】in agreement 意见一致意见一致in exchange for作为作为的交换的交换in need of 需要需要in place of 代替代替in respect to 关于关于,至于至于in return for 作为对作为对的回报的回报in addition to 除除之外之外in charge of 主管主管,负责负责in terms of从从角度而言角度而言,根据根据,按照按照*Tom gave Helen an apple in exchange for a piece of cake.汤姆用一个苹果与海伦换一块蛋糕。汤姆用一个苹果与海伦换一块蛋糕。9.turn out结果是结果是,证明是证明是,生产生产;出来出来,出去出去,出动出动(以便集合、以便集合、参加参加);关掉关掉(灯或热源灯或热源)【填一填填一填激活思维激活思维】观察句子观察句子,写出黑体部分的含义。写出黑体部分的含义。Her latest film turned out to be a great success.()The new technology has made it possible for us to turn out more products of high quality.()10,000 people turned out to welcome the world champion.()Dont forget to turn out the light when you leave the classroom.()证明是证明是生产生产出来出来关掉关掉【记一记记一记构建知识构建知识】(1)turn out to be+adj./n.结果是结果是,证明是证明是It turned out that.结果结果(2)turn up出现出现,到场到场;开大开大turn down拒绝拒绝;关小关小turn over 翻阅翻阅,把把翻过来翻过来,反复考虑反复考虑turn around 转身转身10.follow in ones footsteps效仿某人效仿某人【填一填填一填激活思维激活思维】He _ _ _ _ _ and became a lawyer.他子承父业他子承父业,当上了一名律师。当上了一名律师。Every teacher should _ _ _ _ when teaching.每个老师在教学时都应效仿他。每个老师在教学时都应效仿他。followed in his fathers footstepsfollow in his footsteps【记一记记一记构建知识构建知识】follow ones example以某人为榜样以某人为榜样follow ones advice听从听从/遵循某人的建议遵循某人的建议follow the crowd随大流随大流,从众从众,按照大众的意思做事按照大众的意思做事as follows 如下如下,如下所述如下所述*Ill show you how to hit the ball and then you must follow my example.我先教你如何击球我先教你如何击球,然后你必须照我的示范去做。然后你必须照我的示范去做。*His arguments are as follows.他的论点如下。他的论点如下。【经典句式经典句式】11.While cloning human embryos is not legal in many countries,some scientists are already pushing ahead with research in order to produce a cloned human baby.尽尽管管克克隆隆人人类类胚胚胎胎在在很很多多国国家家还还不不合合法法,但但一一些些科科学学家家正正在在加加紧研究紧研究,以制造出克隆的人类婴儿。以制造出克隆的人类婴儿。【填一填填一填激活思维激活思维】仿写句子。仿写句子。_,I do not like its shape.虽然我喜欢这顶帽子的颜色虽然我喜欢这顶帽子的颜色,但我不喜欢它的形状。但我不喜欢它的形状。_,I cant allow it.尽管我同意你的理由尽管我同意你的理由,但我不能允许这样做。但我不能允许这样做。While I like the colour of the hatWhile I agree with your reason【记一记记一记构建知识构建知识】while引引导导让让步步状状语语从从句句,常常放放在在句句中中或或句句首首,译译为为“尽尽管管,虽然虽然”,比比although或或though语气稍轻。语气稍轻。【辨一辨辨一辨明晰异同明晰异同】while引导让步状语从句时多位于句首或句中引导让步状语从句时多位于句首或句中although/though二者可互换二者可互换,且都可以与且都可以与yet,still或或nevertheless连用连用,但不与但不与but连用。连用。though引导让步状语从引导让步状语从句可用倒装结构句可用倒装结构,而而although不可以不可以as引导让步状语从句时通常用倒装语序引导让步状语从句时通常用倒装语序,即把表语、即把表语、状语或动词原形置于句首。若表语为单数可数状语或动词原形置于句首。若表语为单数可数名词名词,则名词前不加冠词则名词前不加冠词*Intelligent as/though you are,I suspect you will fail.尽管你聪明尽管你聪明,我猜想你会失败。我猜想你会失败。【拓展延伸拓展延伸】while作连词作连词,还可引导哪些从句还可引导哪些从句?(1)while作作并并列列连连词词,构构成成并并列列句句,意意为为“然然而而,但但是是”,相相当当于于and then/but,强强调调前前后后两两种种情情况况的的对对比比或或转转折折,此此时时,while一般位于句中。一般位于句中。(2)while用用作作从从属属连连词词,引引导导时时间间状状语语从从句句,意意为为“当当的的时时候候,和和同同时时”,此此时时的的主主从从句句谓谓语语动动作作同同时时发发生生,从从句句谓谓语动词通常是延续性动词。语动词通常是延续性动词。12.For example,cloned animals are not very healthy they nearly always live brief,painful lives compared with ordinary animals.例例如如,克克隆隆的的动动物物不不太太健健康康与与普普通通的的动动物物相相比比,它它们们几几乎乎都总是短命都总是短命,痛苦不堪。痛苦不堪。【填一填填一填激活思维激活思维】_ _ competing products,ours are smaller and lighter.与竞争的产品比起来与竞争的产品比起来,我们的产品更小巧、更轻便。我们的产品更小巧、更轻便。I think your prices are much too high,_ _ those of other suppliers.与其他供应商所出价格相比与其他供应商所出价格相比,我认为你们的价格太高了。我认为你们的价格太高了。Compared withcompared with【记一记记一记构建知识构建知识】compared with为为固固定定表表达达,表表示示“与与相相比比”,在在句句中作状语中作状语,也可用作也可用作compared to。【拓展延伸拓展延伸】动词动词compare的用法的用法(1)表表示示“把把与与比比较较”,通通常常用用 compare.with.。(2)表表示示“把把比比作作”,通通常常用用 compare.to.,一一般般不用不用 compare.with.。(3)用用作作不不及及物物动动词词时时,compare后后习习惯惯上上只只接接 with,多多与与情情态态动动词词 can 连连用用,表表示示“比比得得上上;能能与与媲媲美美”,但但一一般般用用于于否定句或疑问句中。否定句或疑问句中。*The poet compares the woman he loves to a rose.诗人把他所爱的女人比作玫瑰。诗人把他所爱的女人比作玫瑰。*Nothing can compare with wool for warmth.没有比羊毛更暖和的东西了。没有比羊毛更暖和的东西了。【要点拾遗要点拾遗】1.permission n.准许准许,许可许可,批准批准【填一填填一填激活思维激活思维】We need to _ _ _ _ before we start the journey.我们需要征求他的同意才能开始我们的旅行。我们需要征求他的同意才能开始我们的旅行。Its illegal to read peoples private letters _ _.未经允许看别人的私人信件是违法的。未经允许看别人的私人信件是违法的。ask him for permissionwithoutpermission学校不准许学生晚上在校外逗留。学校不准许学生晚上在校外逗留。(一句多译一句多译)The school doesnt _ _ _ _ _ out at night.=The school _ _ _ _ _ out at night.give students permission to staydoesnt permit students to stay【记一记记一记构建知识构建知识】(1)ask(sb.)for permission请求请求(某人的某人的)许可许可give permission准许准许with ones permission 经某人同意经某人同意,经某人许可经某人许可without permission 未经许可未经许可(2)permit vt.允许允许 n.许可证许可证;执照执照permit doing sth.允许做某事允许做某事permit sb.to do sth.允许某人做某事允许某人做某事*We do not permit smoking in the room.我们不允许在屋里吸烟。我们不允许在屋里吸烟。2.on the one hand.on the other hand.一方面一方面另一方面另一方面【填一填填一填激活思维激活思维】_ _ _ _ we should study hard;_ _ _ we should keep healthy.我们一方面要努力学习我们一方面要努力学习,另一方面应该保持身体健康。另一方面应该保持身体健康。_ _ _ _,I have no time;_ _ _ _,I have no money.一方面我没时间一方面我没时间,另一方面我也没钱。另一方面我也没钱。On the one handon the otherhandOn the one handon the other hand【记一记记一记构建知识构建知识】at hand 在手边在手边,在