大学英语(三)课后习题答案解析

Unit 1Vocabulary 1：

1、My job varies between the extremely tedious and the annoyingly busy. On balance I think I'm happier during the really busy times; no time to think about how bored I am。

我的工作既有特无聊的时候，也有忙得要命的时候。但总的来说，我在真正忙的时候高兴些，因为在那个时候，我没时间去想我有多厌倦。

2、It is the nature of the wise toresistleasures, but the foolish to be a slave to them。

明智之人天生会抵制享乐，而愚蠢之人却成了它的奴隶。

3、I figure out a good team of dogs, hitched to a light sled, can haul 1,000 pounds of goods. 一组健壮的狗可以用轻小的雪橇拉动1,000磅的货物。

4、In the story, the little girl has a wickedstepmother, who makes her life a misery. 在这个故事中，小女孩有一个心肠很坏的继母，让她生活很痛苦。

5、Nothing ever becomes real till it is experienced -- even a proverb is no proverb to you till your life hasillustratedit.

眼见为实——即使是谚语在你没有在生活中得到证明时，也不一定正确。

6、Nowadays almost all libraries are finding it increasingly difficult to remain within

Their budget.

当前，几乎所有图书馆发现靠他们的预算生存下去越来越难。

7、You can increase a tyre’s grip in winter by slightlyloweringits pressure .

冬天可以稍微放点气来增强轮胎的抓力。

8、Lakes Superior, Huron, Erie, and Ontario are shared by the United States and Canada, and form part of theboundarybetween the two countries.

苏比利尔湖、修伦湖、伊利湖和安大略湖归美国和加拿大共同所有，也构成了两国的部分分界线。

9、The police are investigating the three men allegedlyinvolvedin organizing and carrying out the bank robbery.

警方正在调查这三名涉嫌参与组织和实施银行抢劫案的人。

10、I do not doubt in the least that inflation leads toeconomicdecline.

我毫不怀疑，通货膨胀导致经济衰退。

11、A blizzard wasblastinggreat drifts of snow across the lake.（吹起）

暴风雪席卷了整个湖面。

12、Tim says just abouteverybody will be affected by the tax increase, but I’m sure he’s

exaggerating. （几乎）

蒂姆说，几乎每个人都会受到增税的影响，但我肯定他是在夸大其词。

Vocabulary 2 :

1.In an effort to feel better , I started to make small changes in my life and cut down /back from 20 cigarettes in day to a mere three or four.

为了感觉更好，我开始做一些小小的改变在我的生活中，以及减少从每天20支香烟到大约只有三或四。

2.If I wasted electricity as you do at home , my dad would make me pick up the bill.

如果我像你一样浪费在家浪费电的话，我的爸爸将肯定会让我支付账单（自己买单）。

3.We can get by with four computers at the moment , but we’ll need a couple more when the new staff arrive.

这个时候我们还有四台电脑尚可（通过），但是我们需要两台以上的电脑，当新的职工来的时候。

4.It is impossible to get through this course just by working hard around exam times .

这是不可能通过这门课程的，单单只是考前临时抱佛脚的话。

5.Unless they quickly face up to their mistakes , the will miss a unique opportunity to settle the problem once and for all.

除非他们很快面对自己的错误，否则就会失去一个独一无二的机会来解决这个问题一劳永逸。

6.The students were instructed to do the experiment carefully and to turn in their reports at the beginning of next week.

学生被指示做实验仔细，为了上交他们的报告在下星期初。

7.I did not travel much when I was younger , but I’m certainly making up for lost time now.

在我年幼的时候我不太去旅行，但我现在一定要弥补失去的时间。

8.Successful people are the ones who think up things for the rest of the world to keep busy at.

成功的人就是那些思考这世界还剩下什么东西，并且为此保持忙碌。

Unit 2Vocabulary 1 :

1.China’s economic success over the past three decades has raised the living standards of hundreds of millions of Chinese citizens.

中国的经济成就在于过去的三十年里提高了数以亿计的中国公民生活水平。