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2018届一轮复习北师大版必修2Unit4Cyberspace学案(5)
Unit4 单元核心知识精讲练 1.likely adj.有可能的;有希望的 精讲拓展 It is/was likely that...有可能…… It is/was likely(for sb.)to do sth.某人可能做某事 sb./sth.be likely to do sth.某人/某物可能 It is possible that...有可能…… It is possible(for sb.)to do sth. 某人可能做某事 It is probable that...有可能…… 典型例句 It is likely to rain at any moment.随时都可能会下雨。[美国传统] Something is likely to happen at any time.随时都有可能发生什么事情。[朗文当代] It is likely/possible/probable that the flight will be canceled because of the heavy fog. 由于大雾,航班将可能被取消。[朗文当代] 即学即用 ①The test is________to be difficult. A.likely B.like C.possible D.probable 解析:likely的逻辑主语可为sb./sth./it,C、D的逻辑主语只能为it。句意为:这次测试可能很难。 答案:A 2.affect vt.影响,(疾病)侵袭;感染;感动 精讲拓展 have an effect on=affect影响 affect sb.to tears把某人感动得流泪 take effect开始实行,开始生效 come/go into effect生效;实施 in effect(指规则,法律等)有效;实际上 influence vt.常指对人的潜移默化的影响 典型例句 Smoking affects health.吸烟影响健康。[朗文当代] She was deeply affected by the news of his death. 他去世的消息让她深感悲痛。[朗文当代] The movie affected us deeply.这部电影深深地打动了我们。[美国传统] 即学即用 ②What you have done will not have________your fame. A.a good effect in B.a good affect on C.effected D.a good effect on 解析:句意为:你所做的一切将不会对你的名声有好的影 响。affect为动词,effect为名词。have an effect on对…… 有影响。 答案:D 3.offer vt.(主动)提出,提供,奉献;出(价);开(价) n.提供,主动提议 精讲拓展 offer sb.sth.=offer sth.to sb.向某人提供某物 offer to do主动提出做某事 offer sb.sth.for money出价向某人销售某物 offer sb. money for sth.出价向某人买某物 accept/take an offer(of sth./to do sth.)接受(做……)的提议 make an offer to do主动提出做某事 supply/provide sb.with sth. supply sth.to/for sb. provide sth.for sb. 典型例句 They’ve offered us $ 50,000 for the house. 他们已向我们出价五万元买这所房子。[朗文当代] The new apartment offers many advantages over our old one. 与我们的老公寓相比,新公寓有诸多优点。[美国传统] They offered him a very good job. 他们为他提供了一个很好的工作。[朗文当代] ③—If you like I can do some shopping for you. —That’s a very kind________. A.offer B.service C.point D.suggestion 解析:句意为:“如果你喜欢我可以给你买些东西 来。”“那是很不错的提议。”offer为主动提供帮助。 答案:A 即学即用 4.harm vt.&n.伤害,损害 精讲拓展 harm sb./sth.对某人/某物有害 do/cause harm to sb./sth.=do/cause sb.harm mean no harm(to...)(对……)没有恶意 do more harm than good弊多利少 be harmful to对……有害处 典型例句 They were accused of doing him bodily harm. 他们被控对他造成了人身伤害。[朗文当代] He means no harm by saying what he thinks. 他想到就说,并无恶意。[朗文当代] There was no harm meant in their careless mistake. 他们不小心犯了错误,并无恶意。[美国传统] ④Harm will be________the environment,if we keep________it. A.done to;destroying B.done to;destroy C.done to;damage D.done;destroying 解析:do harm to“对……有害”,harm作主语,谓语 用被动形式,keep后接动名词作宾语。 答案:A 5.fashion n.时髦,时尚 精讲拓展 come into fashion成为时尚 follow the fashion赶时髦 be in fashion流行,入时 be out of fashion不再流行,过时 典型例句 Don’t throw your old clothes away,they might come back into fashion in a few years. 别把旧衣扔掉,说不定过几年这些衣服又会流行起来。 [朗文当代] Some styles never go out of fashion. 有些款式永远不会过时。[朗文当代] Simple black dresses are always in fashion. 简洁的黑裙永远不会过时。[美国传统] 即学即用 完成句子 ⑤She paints ________ ________ ________ ________ (模仿)her teacher. ⑥It’s not like him________ ________ ________ ________ (赶时髦). After the fashion of to follow the fashion 6.know vt.知道,了解 精讲拓展 be known as被认为是;作为……而出名 be known for因……而著名 be known to为……所了解,熟知 make sth.known把某事公布 make oneself known自我介绍 典型例句 I know what the answer is.我知道答案。[美国传统] We’re sure you’ll be well known as an artist. 我们相信你会成为一位著名的艺术家。[朗文当代] He is known to all in our city.他在我市家喻户晓。[朗文当代] Zhang Yimou is known for his films. 张艺谋因其电影而著名。 即学即用 ⑦John has written some short stories,but he is________known for his plays. A.the best B.more C.better D.the most 解析:句意为:约翰已写了一些短篇小说,但较出名的还是 戏剧。把小说与戏剧进行了比较,因此用比较级。better是 be well known中well的比较级。 答案:C 7.suggest vt.建议;暗示 精讲拓展 suggest sth.建议某事 suggest sb./sb.’s doing sth.建议某人做某事 suggest that sb.(should)do建议某人做某事 ask for/call for/invite a suggestion征求建议 at/on sb.’s suggestion根据某人的建议 典型例句 All the evidence suggests(that)he has stolen the money. 所有的证据都表明他偷了钱。[朗文当代] I suggest going in my car.我建议坐我的车去。[朗文当代] I suggest(that)we wait a while before we make any firm decisions. 我建议我们在作出任何明确而肯定的决定之前先考虑片 刻。[剑桥高阶] 即学即用 ⑧The suggestion that the mayor________the prize was accepted by everyone. A.would present B.ought to present C.present D.presents 解析:suggestion后接同位语从句、表语从句时,从句用虚 拟,即从句的动词用原形或should+动词原形。句意为: 市长颁奖的提议是人人可以接受的。 答案:C 8.focus vt.&vi.(使)聚焦;(使)集中;集中(注意力)于 精讲拓展 focus one’s attention/thought/efforts on 集中注意力/思想/努力于 focus...on focus n.=fix...on=concentrate...on聚焦于,关注 focus n.(pl.focuses/foci)焦点,中心,焦距 典型例句 Public attention at the moment is focused on the problem of environmental pollution. 当前公众关注的焦点是环境污染问题。[朗文当代] She always wants to be the focus of attention. 她总想成为注意力的焦点。[朗文当代] When the kitchen is finished I’m going to focus my attention on the garden and get that sorted out. 等厨房弄完,我会集中精力把花园整理干净。[剑桥高阶] 即学即用 ⑨Teachers tell us to________our attention________what they say in class. A.fixing;on B.focus;on C.concentrate;to D.depend;on 解析:句意为:老师要我们注意他们在课堂上讲的东西。 depend on依靠,不定式后要接动词原形,C项介词to错。 答案:B 9.view n.景色,风景;想法,意见,态度,视野 v.看待, 把……视为 精讲拓展 in full view(of sb./sth.)在眼皮底下,完全看得见 in view of sth.鉴于,考虑到 in one’s view依某人看 be in view在视野中 come into view出现在视野中 on view在展出,在陈列 view...as...把……视为…… 典型例句 I view his action as a breach of trust. 我认为他的行为是背信弃义。[朗文当代] In view of the weather,the event will be held indoors. 由于天气的缘故,这项赛事将在室内进行。[朗文当代] The cloud lifted,and the tops of the mountains suddenly came into view(=could be seen). 云层散去,群山的顶峰突然出现在眼前。[剑桥高阶] 词语辨析 scene/scenery/sight/view (1)scene n.指一眼可见全貌的风景或景色,不限于自然的风景;还可指事情发生的地点,现场,或舞台的部分场景。 (2)scenery n.不可数,指某一地区的整体自然风景。 (3)sight n.指某一地区值得观赏的具有特色的人文景观,风景名胜,常用复数。 (4)view n.常指从某一特定地点看到的景色,风景。 ⑩Seeing the happy________of children playing in the park,I’m full of joy and confidence in the future of our country. A.sight B.scene C.view D.sign 解析:句意为:看到孩子们在公园愉快玩耍的情形,我内 心对国家的未来充满快乐与自信。scene指某一场景,情 景。sight为名胜,view指从某一特别方位看到的风景, sign标志。 答案:B be up to做,从事于 精讲拓展 be up to sb.to do sth.应由某人做某事 be up to sb.由某人来决定 be up to sth.合格做,有资格做…… 典型例句 What in the world are you up to? 你究竟在做什么?[朗文当代] My English isn’t up to translating that letter. 我的英语还不行,译不了那封信。[朗文当代] It’s up to us to give them all the help we can. 我们理应尽力给他们提供帮助。[朗文当代] He looks very suspicious hanging around by the bins—I’m sure he’s up to something. 他老在垃圾箱周围转悠,看上去很可疑——我敢肯定他正在干什么坏事。[剑桥高阶] 翻译句子 ⑪那球队今天发挥得不是最理想。 _________________________________________________ The team did not play up to its best today. We would not only be able to travel around the world,but also go to study in any worldfamous universities we wanted to. 我们不仅能周游世界,而且能去我们想去的任何世界著名大学学习。 精讲拓展 (1)not only...but also(不但……而且)连接两个对等的成份。可连接两个并列主语、宾语、表语、谓语、状语。 (2)连接两个主语时,谓语动词的数应与but also后主语的数保持一致。 (3)not only...but also也可连接两句子,not only放在句首,句子要用倒装结构(前倒后不倒)。 典型例句 Not only you but also she has to attend the ceremony. 不仅你而且她也得参加典礼。 She is not only a student but also a singer. 她不仅是学生而且是歌手。 Singers do not just come from the United States but from all over the world. 歌手不仅仅来自美国而且来自世界各地。 I not only heard it but saw it.我不但听到而且看到了。 He speaks not only English but also French. 他不仅会说英语而且还会说法语。 即学即用 翻译句子 ⑫他不但许下诺言,而且也遵守了诺言。 __________________________________________________ Not only did he make a promise,but he also kept it. 1.Not only________give people relaxation and pleasure, but________increase their knowledge of any kind. A.can travel;it can B.travel can;can it C.can travel;can it D.travel can;it can 解析:句意为:旅游不但给人们带来轻松与快乐,而且增 加人们各种知识。not only...but also连接两个句子时,前 面句子要倒装,后面不倒装。 答案:A 2.A man may usually be known by the books he reads________by the friends he keeps. A.rather than B.as well as C.in place of D.as many as 解析:句意为:通常可以根据一个人结交的朋友以及他所 看的书来了解一个人。rather than而不是;as well as和, 也,以及;in place of代替;as many as多达。 答案:B 3.Who do you suggest________to attend the important meeting? A.sending B.to be sent C.sent D.be sent 解析:句意为:你建议派谁去参加那个重要会议?do you suggest为插入语,suggest(建议)后接从句,从句的动词用 (should)原形。 答案:D 4.—When can we visit your new house? —Anytime you feel like________. A.it B.one C.me D.that 解析:句意为:“什么时候我们可以看看你的新家?”“只要你 愿意任何时候都可以。”it指上文看新家这件事。 答案:A 5.Confidence is a kind of quality,and that’s________it takes to do anything well. A.what B.how C.which D.why 解析:句意为:自信是一种品质,这是做好任何事都需要的。 what引导表语从句,同时在表语从句中作take的宾语。 答案:A 6.—What do you think of this kind of rice? —It’s pretty good.It________faster than the rice I usually use. A.cooks B.is cooked C.is cooking D.is being cooked 解析:句意为:“你认为这米如何?”“很好,比我通常用的米 烧起来快些。”cook,write,sell,open,lock等后接副词, 表主语性质、性能时,要用主动代替被动。 答案:A 7.Ideally________for Broadway theatres and Fifth Avenue, the New York Park hotel is a favourite with many guests. A.locating B.being located C.having been located D.located 解析:句意为:纽约公园宾馆非常理想地位于百老汇剧院和 第五大街,很受游客的欢迎。be located(in/on/at)位于, located在此相当于形容词作状语。 答案:D 8.The traffic lights________green and I pulled away. A.came B.grew C.got D.went 解析:句意为:交通灯变绿了,我驾驶车走了。“变 成……颜色”用go或turn。 答案:D 9.One of the advantages of living on the top floor of a highrise is that you can get a good________. A.scene B.view C.sight D.look 解析:住在高楼的一个好处就是你能很好地看到风景。 答案:B 10.—Where did you get to know her? —It was on the farm________we worked together. A.that B.when C.where D.which 解析:句意为:“你在哪认识她的?”“是在我们一起 工作的农场。”这是一个省去that从句的强调句, where在这里引导定语从句修饰farm,作状语。 答案:C 定语从句(一) 在复合句中,修饰某一名词、代词、数词、短语或整个句子的句子。被修饰的词叫先行词,定语从句放在先行词后,中间要有引导词来引导,引导词要在从句中作成分。 定语从句的引导词包括关系代词(who,whom,whose,that,which,as)和关系副词(when,where,why)。 关系代词 1.who修饰“人”作主语,口语中可作宾语。 This is the man who often helps me.(who作主语) (这就是那个经常帮助我的人) The man who you just talked to is a teacher. (who作介词to的宾语)你刚才同他谈话的那个人是个老师。 2.whom修饰“人”作宾语。可省略,但在介词后和非限制性定 语从句中不可省略。 The doctor(who/whom)you are looking for is in the room. 你在找的那位医生在屋子里。 3.whose是who,which的所有格,作定语,修饰“人”“物”表所 属关系。 This is a book whose cover is blue. 这是一本封面是蓝色的书。 4. that修饰“人”“物”作主语、宾语、表语。 I want a man that/who understands English. 我需要一个懂英语的人。 He is not the man that he used to be.他已不是以前的他了。 This is the picture that I bought yesterday. 这就是我昨天买的那幅画。 5.which (1)修饰“物”作主语、宾语。 The building which stands near the river is our school. 耸立在河旁边的那幢房子是我们的学校。 (2)修饰句子中的短语、整个句子,作主语、宾语,常引导一非限 制性定语从句,有时可插在句中。 I have to work on Sunday,which I don’t like. 我星期天得上班,这点我不喜欢。 They tried to catch the bird,which was impossible. 他们想抓住那只鸟,而这是不可能的。 (3)修饰一短语、句子时,也可作定语,使句子更加明确。 He came back late,by which time all the guests had already left. 他回来迟了,到那个时候所有的客人都已经走了。 I was told to go not by train but by bus,which advice I followed. 有人告诉我不要乘火车而乘汽车,我听从了此建议。 6.as (1)在限制性定语从句中,若先行词被the same,such, as,so所修饰,从句的引导词用as,作主语、宾语。 I dislike such students as are careless. 我不喜欢那些粗心的学生。 I’ll lend you as much money as you need. 我会借给你所需要的那么多钱。 (2)作为关系代词,as可引导非限制性定语从句,修饰一短 语或整个句子,也可插在句中。 As we know,the earth goes round the sun. 众所周知,地球绕着太阳转。 The number of the visitors,as we had expected,was well over two hundred. 来访者的数目远远超过两百人,这是我们预料之中的。 关系副词 when(时间);where(地点);why(原因)作状语 (1)I still remember the day when I was born. (2)This is the house where I lived two years ago. (3)Can you tell me the reason why you did it? 定语从句中的关系副词可由“介词+which”来代替,以上 (1)句中的when=on which (2)句中的where=in which (3)句中的why=for which 1.I have seen the film,________leading actor is my favourite. A.its B.that C.whose D.which 解析:定语从句修饰film,引导词在定语从句中作 leading actor的定语,表所属关系。 答案:C 2.The girl________everybody had thought could win a gold medal failed at last. A.who B.whom C.what D./ 解析: everybody had thought为插入语,定语从句引导 词在句中作could win a gold medal的主语。 答案:A 3.Do you think the reason________he gave is believable? A.for which B.which C.why D.for that 解析:句意为:你认为他给出的理由可信么?which作 gave的宾语,故用关系代词。 答案:B 4.This is the job________they laughed. A.which B.that C.at which D.at that 解析:句意为:这是个他们嘲笑的工作。laugh at表“嘲 笑……”,which作at的宾语。 答案:C 5. Beihai Park is one of the most beautiful parks________built about 300 years ago in Beijing. A.which was B.which were C.that were D.where were 解析:定语从句修饰parks,且在定语从句中引导词作主 语,由于先行词有最高级修饰,故只能用that。 答案:C 6.On the table she found a piece of paper________some puzzling secret codes. A.which was written B.that was written C.on which were written D.on that was written 解析:定语从句修饰paper,意为“纸上写着令人迷惑的密 码”。后面是倒装句。 答案:C 7.I don’t like the way________he spoke to me. A.what B.by which C.by that D./ 解析:定语从句修饰way,引导词作状语时可用in which/that/不填。 答案:D 8.He makes good use of the time________he can spare. A.that B.in which C.in that D.when 解析:句意为:他充分利用了他能腾出的时间,引导词 that作spare的宾语。 答案:A 9.It was a meeting________importance I did not realize at the time. A.which B.at which C.its D.whose 解析:定语从句修饰meeting,引导词whose在定语从句中 作importance的定语,表所属关系。 答案:D 10.This is the factory________they visited the other day. A.that B.where C.to which D.what 解析:句意为:这是一个他们那天参观的工厂。引导词 that在定语从句中作visited的宾语。 答案:A 11.He is not the same man________he used to be. A./ B.which C.as D.what 解析:定语从句的先行词被the same修饰时,定语从句的 引导词用as,此句中as作be的表语。 答案:C 12.In an open boat,the four men,________a doctor,met with a storm on the sea. A.one of them was B.one of them were C.one of whom was D.one of whom were 解析:中间是一定语从句修饰four men,表示部分与整体 的关系,whom作of的宾语。 答案:C 1.Only those________knew well could be let in. A.who B.whom C.he D.did he 解析:定语从句的引导词whom作knew的宾语省略了。若 选A则knew后缺少宾语,句子不通。 答案:C 2.The boss,________department Mary worked,praised her greatly. A.whose B.in which C.in whose D.which 解析:在哪部门工作须有介词in,但定语从句的引导词在 定语从句中是作department的定语的,而非in的宾语。 答案:C 3.His mother may come,in________case I’ll ask her. A.that B.this C.which D.the 解析:选A、B、D均不是定语从句,而是一短语,定语从句 的引导词修饰前面整个句子作case的定语。 答案:C 4. Our teacher told us________story________we all never forget. A.so an interesting;that B.so interesting a;which C.such an interesting;that D.such an interesting;as 解析:A项中的an应在形容词interesting后,B项中so后没有 接which情况。C项such...that引导的是结果状语从句,that 不作成分,没有意义,定语从句中的先行词被the same, such,as等修饰时,定语从句的引导词须用as,用作forget的 宾语。 答案:D 5.I still remember the days________we spent together. A.when B.that C.on which D.on that 解析:that引导定语从句修饰days在后面的定语从句中作 spent的宾语,spend...on是“花费”之意,此处的spent是 “度过”之意。 答案:B 例1 It is obvious to the students________they should get well prepared for their future. A.as B.which C.whether D.that 解题方法指导:句意:显然,学生们应该为他们的未来做 好充分的准备。that引导主语从句,在从句中不作句子成 分,it是形式主语。as引导定语从句或状语从句;which 引导名词性从句时,意为:哪个(些);whether是否,在 此句中如用此词则语义矛盾。 答案:D 教材原文对照 It is obviouw that this destruction will become dangerous in the future (P9) 例2 —Come on ,please give me some ideas about the project. —Sorry.With so much work________my mind,I almost break down. A.filled B.filling C.to fill D.being filled 解题方法指导: 考查非谓语动词。所填词作with结构的宾 语补足语,与宾语so much work之间是主动关系,且表示 存在的状态,用v.ing形式,选B。 答案:B 教材原文对照 It is also the most exciting city New Zealand with people of many different culture living there.查看更多