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2017年英语三级考试知识点

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2017年英语三级考试知识点

  大学英语三级考试之前的复习,重要的知识点你都掌握好了吗?下面学习啦小编给你分享2017年英语三级考试的知识点,欢迎阅读。

  2017年英语三级考试口语重点句型知识点

  Chemistry

  常用句子

  Our chemistry paper is too difficult.我们的化学试卷太难了。

  I'm thinking whether I can pass or not.我在想我考试能不能及格。

  I like chemistry not because itself is interesting but because there are many experiments in chemistry lab.我喜欢化学不是因为它有趣,而是因为有好多的化学实验。

  It's dangerous if one doesn't following our teacher's instructions.

  如果不按老师的示范去做那将很危险。

  Chemistry is important for me because in the future I want to be a chemist.

  将来我想当化学家,所以化学对我来说很重要。

  Is chemistry more useful than physics?化学比物理重要吗?

  I think chemistry is as important as physics.我认为化学与物理同等重要。

  Chemistry becomes so interesting with our teacher's explanation.

  化学经我们老师的讲解显得有趣多了。

  Do you know what is H2O?你知道H2O是什么吗?

  I think chemistry teachers are the same characters with rare hair on the head.

  我觉得化学老师都有相同的特点:头发少。

  Every time I'm dreaming in class our chemistry teacher pulls me back to his humorous explanation.

  每次化学课上我昏昏欲睡的时候,我们的化学老师幽默的讲解又使我精神振作。

  The chemical industry is a fast growing industry in China.化学工业在中国是一种发展很快的工业。

  Is this a chemical change or a physical change when wood becomes desks?

  木材变成桌子是物理变化还是化学变化?  There will.be a chemistry test tomorrow morning.明天上午考化学。

  Maths

  常用句子

  The simplest real numbers are the natural numbers,which are just the ordinary counting number l,2,3…

  最简单的真数是自然数,即平时我们口数的一、二、三…。

  One convenient way to visualize the real numbers is by the way of a number line.

  将真数形象化的最方便的途径是通过数轴。

  The numberπis sometimes approximated by the rational number 22/7。圆周率π约等于22/7。

  Rational numbers and irrational numbers together form the set of real numbers.

  有理数与无理数一起构成实数。

  In mathematics the symbol A = B means A and B are two names for the same thing.

  在数学中A = B意思是A、B是同一事物的两个名称。

  I become headache with maths problems.我一解数学题就头痛。

  A right angle is an angle of 90°,and a straight angle is one of 180°。

  直角是90°角,平角是180°角。

  Why do we always have maths in the fourth period?为什么我们总在第四节课上数学?

  2017年英语三级考试词组知识点

  1.as well 也;一样

  【例句】Wang Hai is a worker and a militiaman as well.

  王海是个工人,也是个民兵。

  【总结】as well常用于肯定句句尾,表示“还,也”等意思。He knows French,and he knows English as well.

  他懂法语,他也懂英语。

  (一)as well后接as,边接两个同类项,表示“不但,而且,和跟”等意思,强调as well前面的人或事物。He came as well as his brother.

  不仅他哥哥来了,而且他也来了。

  (二)as well as和动词连用,表示同类事物相比较,结果一样好。He can speak English as well as you do.

  他英语说得和你一样好。

  【拓展】also的用法

  also用于实义动词之前

  ▲also用于实义动词之前

  They also agree with me.

  他们也同意我的看法。also用于be动词之后

  ▲also用于be动词之后

  I was also there.

  我也在那儿。also用于第一个助动词之后

  ▲also用于第一个助动词之后

  His sister has also gone to town.

  他的妹妹也到镇里去了。also有时放在句首

  ▲also有时放在句子的最前

  Also, some students were tempted to add written comment of their own throughout the paper.

  一些学生也冒险通过论文写出他们自己的评论。also不能放在句末

  2.ask (that) sb. (should) do 要求某人应该做某事(虚拟语气)

  【例句】Heasked that they (should) be allowed to use a dictionary.

  他要求准许他们用词典。

  【总结】①ask sb. to do要求某人做某事。sb.是宾语,to do是宾补。

  ②ask (that) sb. (should) do要求某人做某事。that引导宾语从句。sb.是宾语从句的主语。把ask (that) sb. (should) do结构中的括号去掉,也可以说成是ask sb. do

  3.ask for

  要,要求

  【例句】The miners areasking for another increase in pay.

  煤矿工人正在要求再次加薪。

  找(人)

  【例句】There's an old man at the door,asking for you.

  门口有一位老人找你。

  【拓展】ask for a lift 要求搭车

  ask for a loan借款

  ask for a answer要求答复

  ask for a ruling要求作出裁决

  ask for a divorce申请离婚

  ask for leave请假

  ask sb. for a lift请某人让搭(车)一程

  ask sb. for advice取得某人的建议

  ask some questions of sb.向某人提问(书面语)

  4.at a distance 有一些距离、在远处

  【例句】The shops wereat a distance from where they lived.

  商店离他们住所有一段路。

  Dogs that bark at a distance bite not at hand.

  远处狗就叫,近身不会咬。

  【拓展】from a distance 从远方

  in the distance 在很远的地方(目不可及)

  keep sb. at a distance 于某人保持一定距离

  【总结】at a distance 在远处(目可及)

  in the distance 在很远的地方(目不可及)一定用名词。

  5.at a depth of 在……深处

  【例句】When he is at a great depth of a sea,a diver get the bends.

  当潜水员潜到一定的深处,就会出现潜函病(深海潜水员因浮出水面太快而感到关节剧痛﹑呼吸困难的症状)。

  【拓展】have a depth at 深达

  .reach a depth at:深达

  attain a depth at:深达

  to a depth of:深达

  in depth:深入的,彻底

  at a great depth:在很深处

  2017年英语三级考试语法知识点

  1.定义:用作表语的从句叫做表语从句。

  2.构成:关联词+简单句

  3.引导表语从句的关联词的种类:

  (1) 从属连词that.

  如:The trouble is that I have lost his address. 麻烦是我把他的地址丢了。

  (2) 从属连词whether, as, as if.

  如:He looked just as he had looked ten years before. 他看起来还与十年前一样。

  The question is whether they will be able to help us. 问题是他们是否能帮我们。

  注:从属连词if一般不用来引导表语从句,但as if却可引导表语从句,如:

  All this was over twenty years ago, but it's as if it was only yesterday.

  这都是20多年前的事了,但宛如昨天一样。

  能跟表语从句的谓语动词一般为系动词be, seem, look等。

  如:It looked as if it was going to rain. 看起来天要下雨了。

  (3)连接代词who, whom, whose, what, which, whoever, whatever, whichever

  连接副词where, when, how, why.

  如:The problem is who we can get to replace her. 问题是我们能找到谁去替换她呢。

  The question is how he did it. 问题是他是如何做此事的。

  That was what she did this morning on reaching the attic. 那就是她今晨上了阁楼干的。

  难点释疑:

  1.连词because可引导表语从句。

  如:I think it is because you are doing too much. 我想这是因为你做得太多。

  2.在一些表示“建议、劝说、命令”的名词后面的表语从句中,谓语动词用虚拟语气。should+动词原形表示,should可省略。

  My suggestion is that we (should) start early tomorrow. 我的建议是我们明天一早就出发。


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