第20单元重点知识辅导

发布时间:2016-11-7编辑:互联网

罗玉南

重点词语用法

1.seldom的用法

seldom['seld+m] adv. 一般放在实意动词之前,be动词之后,意为“不常;很少”。例如:

①I've seldom seen such a big apple.

我很少看到这么大的苹果。

②They seldom go out for dinner. 他们不常到外面用晚餐。

③She seldom,鷌f ever,鷕eads a book. 她很少读书。

④He seldom goes to see the film,鷇oes he?

他很少去看电影,是吗?

【注】seldom视作否定词,故上述句子都应视作否定句,若后面跟反意疑问句,应用肯定式。类似例词还有hardly,鷕arely,鷖carcely,鷑ever等。

2.matter的用法

matter['m$t+]n. 物质(与‘精神’对应);问题,事情;事态。the matter通常指“困扰的事,麻烦的事;故障”。例如:

①It is organic matter.它是有机物。

②What kinds of matter is the earth made up of?

地球是由什么物质构成的?

③Political matters interest him greatly.

他对政治问题深感兴趣。

④Matters are different from country to country.

情形因国而异。

⑤Is anything the matter? 有什么麻烦吗?

⑥Something is the matter with the computer.

这部电脑好像有点毛博

【注意】与matter搭配使用的短语常用的有:as a matter of course(当然,当然的事),as a matter of fact(实际上,事实上),no matter what/which/who/where/when/how(不论什么/哪一个/谁/哪里/何时/如何),it matters + (to+somebody)+wh-从句(意为“对某人来说……是重要的”)。例如:

①As a matter of course,鷋e was elected mayor.

他当选市长是理所当然。

②As a matter of fact,she was responsible for the accident.

实际上,她应对这次事故负责。

③No matter what happens,don't be discouraged.

无论发生什么事,都不要气馁。

④It doesn't matter to me whether she is pleased or not.

她满意与否对我来说并不重要。

3.meet

1)meet用作动词,意为“碰到,遇到”。

①I met her in the street.我在街上遇见她。

②We met each other quite by chance我们彼此相遇纯属偶然。

③I met a lot of difficulties in the work.

工作中我遇到了很多困难。

④The two teams meet next Saturday in volleyball.

下周二这两支排球队相遇。

2)meet用作动词,还表示“接(人、车等)”

①Will you meet me at the airport? 到机场接我好吗?

②I'll meet your bus。我到汽车站接你。

③The hotel bus meets all the trains.

旅馆的班车在火车站接各班车的旅客。

3)meet用作动词,还表示“接触,联结”。

①His hand met hers. 他的手碰到了她的手。

②These trousers won't meet round my waist any more.

这裤子瘦得系不上了。

4)meet还表示“支付,偿付(费用)”。

①You have to meet all the bills. 你必须偿付所有账单。

②The cost will be met by the company. 费用由公司支付。

5)meet with sb. 表示“偶遇”或“与某人会晤”。

①I was fortune to meet with my uncle at the airport.

真幸运,我在机场碰到了叔叔。

②The president meet with senior White House aides at breakfast.

早餐时总统会见了白宫的高级助手。

6)meet with sth. 表示“偶遇”或“遭受,遇到”。

①I was fortune to meet with a complete Lu Xun at the Shanghai Market.

真幸运,我在上海市场遇上了一本《鲁迅全集》。

②You will probably meet with many difficulties.你将可能遇到许多困难。

4.hopefully

有一类副词,多表示说话人的观点,常独立用于句首。主要有frankly,鷖eriously,鷓ersonally,鷏uckily,鷒bviously,鷕oughly,鷊enerally,鷘ndoutedly,鷉ortunately,鷄ctually,鷘nexpectedly等。例如:

①Fortunately,鷑o one was hurt. 幸亏没有人受伤。

②Frankly,I'm not satisfied with your work.

坦诚地说,我对你的工作不满意。

③Obviously,he needs help. 显然他需要帮助。

5.brain & brains

brain指“脑”。而brains可用来指“头脑、智力”或“智力超群的人们”。

①The brain is the centre of the nervous system.

大脑是神经系统的中枢。

②The human brain is a complex organ.人脑是个复杂的器官。

③You need brains to become a university professor.

当大学教授要有才智。

④He is one of the leading brains in the country.

他是国家知识分子精英。

⑤Some of the best brains in the country are here tonight.

今晚国内一些智囊人物都出席了。

6.declare的用法

declare为动词,意为“宣布、宣告、声明”,后接名词、代词、从句等。

①The chairman declared the result of the election.

主席宣布了选举结果。

②He declared that he had finished the work all by himself.

他声称他一个人完成了这项工作。

③Miss Alice declared that she had not done it.

艾丽丝小姐宣称她没干那件事。

④Bulgaria declared her independence in 1908.

保加利亚于1908年宣布独立。

declare后可接复合结构,用作复合结构的可有名词、形容词、副词、不定式、分词、介词短语。如:

①The chairman declared the meeting closed.

主席宣布会议闭幕。

②The boy declared himself a League member.

那男孩称自己是共青团员。

③They declared his story false.他们声明他的说法是虚构的。

④At the meeting,鶰r White declared against their plan.

在会上,怀特先生公开反对他们的计划。

⑤The judge declared him to be guilty.法官宣布他有罪。

⑥I declared myself for their suggestion.

我公开表示赞成他们的建议。

重要词组短语

1.prevent sb. from doing,鷖top sb. from doing与 keep sb. from doing的用法

这三个词组都意为“阻止某人做某事,妨碍某事发生”。但prevent 和stop后from可省,而keep后的不可施

①You can't stop us (from) going if we want to.

假如我们要去,你是阻止不了的。

②Nobody can prevent us (from) getting married.

没有人能阻止我们结婚。

③The church bells keep me from sleeping.

教堂的钟声吵得我睡不了觉。

2.come true的含义

come true意为“变得;成为;变为现实”。其中come用作连系动词,后跟形容词作表语。例如:

①My dream's going to come true.我的愿望就要变为现实了。

②All these things has come right in the end.

所有这一切最后都变得很好。

③When I was young,I dreamed of travelling all over the world.

我小时候就梦想去世界各地旅游。

④What they had hoped at last came true.

他们所希望的一切最后终于变为了现实。

⑤To solve these problem will come easier after a time.

过一段时间解决这些问题就比较轻松了。

3.in need of的含义

in need of意为“缺少;需要(=in want,鷖hort of,鷑ecessary for)。例如:

①A friend in need is a friend indeed.

患难的朋友才是真正的朋友。

②He told Dr. Bethune that the front was in great need of medical workers.

他告诉白求恩大夫,前方急需医务人员。

③China is in great need of advanced English learners.

中国急需高级英语人才。

4.even if的用法

even if意为“尽管;即使”,有退一步设想的意味,对所说的事实把握不大。例如:

①I must find the lost child,even if it is getting dark.

即使天黑了,我也要找到那个丢失的孩子。

②There is a definite number of grains of sand and a definite number of drops of water,even if you don't know what number it is.

沙粒和水滴是有一定数目的,尽管你不知道具体的数目。

5.look forward to的用法

look forward to意为“盼望;期望(=look into the future with expectation,鷅e eager for)”,其中to为介词,后面只能跟名词或动词-ing形式,不能跟动词不定式。例如:

①We are looking forward to your visit.

我们期待着你们的到来。

②We are looking forward to receiving your letter.

我们盼望着收到你的来信。

6.turn out的含义

turn out意为“生产,培养出;出来,参加;结果(是)”,“证明(是)”。例如:

①The factory turns out 500 trucks every day.

这家工厂每天生产500辆卡车。

②Our school has turned out some first-rate scholars.

我们学校培养出了一些第一流的学者。

③A lot of people turned out to meet the foreign guests.

许多人都出来迎接外国客人。

④Their marriage turned out a happy one.

结果他们的婚姻很美满。

⑤It was cloudy yesterday,鷅ut it turned out fine.

昨天多云,但后来天晴了。

⑥The experiment turned out (to be) difficult.

结果这次实验很困难。

⑦The bad thing turned out to be a good end.

这件坏事最后出现了好结局。

⑧It turned out that the herbs were very effective in treating headache.

这草药治头痛果然有效。

7.as if/ as though

as if/ as though是从属连词,意义用法相同,引导方式状语从句,意为“好像”。

1)as if/though引出的方式状语从句如果是事实或可能性很大,多用直陈语气,常与look,seem,taste,smell,sound等词搭配。

①It looks as if it is going to rain.看起来要下雨。

②It seems as if the boy has lost his way.

好像那个男孩迷路了。

③He is a happy-go-lucky man as if he has no worries and cares in the world.

他是个无忧无虑的人,好像世上没有任何让他发愁和烦恼的事。

2)as if/though引出的方式状语从句所表示的情况不是事实,而是主观想象或夸大性比喻时,通常用虚拟语气。

①The young man with long hair looks as if he were a woman.

这位满头长发的男青年看上去像个女的。

②He walks as if he were drunk.他走路的样子好像是喝醉了。

③Everything in my childhood crowded upon my mind as if they had just happened.

童年的往事一齐涌上心头,好像是刚刚发生。

3)as if/ though引导的同一从句中时态不同,意思也往往不同。

①The boss speaks aloud as if he is angry.

老板说话声音很高,好像真的生气了。

②The boss speaks aloud as if he were angry.

老板说话声音很高,仿佛生气了。(其实没有生气)

③He looks as if he is ill.他好像病了。

④He looks as if he were ill.他好像得了博(其实没有生病)

⑤He looks as if he had been ill. 他好像过去生过病似的。

(其实没有生过病)

4)as if/though后的方式状语从句常为省略形式。

①The football player is rolling on the ground as if hurt badly in the leg.

那个足球运动员在地上滚来滚去,好像腿部受了重伤。

②The boy is running here and there as if searching for something lost on the sports ground.

那男孩跑来跑去,好像在找丢在操场上的东西。

③He moved his lips as if to speak.

他动了动双唇,好像要说话。

④She talked to the stranger while walking,as if absent-mindedly.

她边走边应酬着那个陌生人,好像心不在焉的。

⑤He opened the room,鷄s if in search of some information.

他打开房间,好像要找什么情报。

⑥He acts as if a fool.他表现得象个傻子一样。

8.end (up) with以…结束。

①He ended his letter (up) with good wishes to the family.

在信尾他祝全家好。

②We ended the dinner up with fruit and coffee.

我们最后吃水果和咖啡时结束了晚餐。

③The conference ended up with the singing of the Internationale.

会议最后以高唱《国际歌》而结束。

④He ended up his speech with a funny story.

他用一个有趣的故事结束了演说。

end up可作“结束”、“告终”解释。如:

①Sooner or later,鷋e will end up in prison,鶬'm sure.

我敢说他迟早要进监狱。

②How does the story end up? 事故的结局如何?

③Though friends for years,鷗hey ended up enemies.

虽然他们是多年的朋友,但最后却成了仇敌。

常用句型结构

谈论天气的常用句型

1)在英文中见面聊天常以天气为开场白。常见的有以下一些。

①It's a bit windy today,鷌sn't it?今天有点风?是不是?

②Hopefully tomorrow will turn out fine.但愿明天可以转晴。

③Nice and bright this morning.今天早晨天气不错。

④Much better than yesterday.比昨天好多了。

⑤The rain will get up later. 要下雨了。

⑥As long as it doesn't wind.只要不刮风就好。

⑦Fairly cold for the time of the year.就季节来说相当冷。

⑧Quite different from the forecast.与天气预报完全不同。

⑨They say we're in for snow.他们说快下雪了。

⑩I hope it keeps fine for the weekend.我希望好天气可以维持到周末。

2)常用与天气有关的词和词组。

sunny阳光明媚的 rainy下雨的 snowy下雪的 foggy有雾的

windy刮风的 frosty有霜的 cloudy多云的

freezing cold刺骨的寒冷 freeze结冰 clear up放晴

turn out转(晴、多云等)drizzle毛毛雨鷋ail冰雹