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5) too cold for most life 6) In fact, it is frozen 7) thick

8) hot enough to melt lead

9) The Earth absorbs most of the energy that reaches its surface and re-emits it as heat 10) In doing so, we are setting the stage for a warmer Earth 翻译

1) 如果富有的国家多花些钱搞绿色工业， 而不是去建立军事机器和制造核武器，当今许多广泛存在的污染问题将会逐渐消失。

If the rich countries spent more money on green industries, instead of on building up military machines and nuclear weapons, many of today's widespread pollution problems would gradually disappear.

2) 烧煤的时候，不仅消耗房子里面的氧气，而且还散发出有毒的气体。

The burning of coal not only consumes the oxygen in the house but also gives out poisonous gases.

3) 显然，找到替代能源对我们经济的稳定发展是至关重要的。

Apparently, finding alternative energy sources is essential to the steady development of our economy.

4) 太阳能电池（solar cell）能吸收阳光并把它变成电。 Solar cells can absorb sunlight and convert it into electricity.

5) 如果地球上的温度继续年复一年地上升，极地的冰帽将会开始融化，沿海城市中一半的建筑物很可能会消失在劈啪飞溅的海浪下面。

If the temperature on the Earth continues to go up from year to year, the polar ice caps will begin to melt and, in all likelihood, half of the buildings in coastal cities will disappear beneath splashing sea waves.

6) 因为这些生物很小并且常常躲在叶子茂密的植物下面，肉眼并不都可以看见。

Because these creatures are small and tend to hide beneath leafy plants, they are not always visible to the naked eye.

7) 由于受到原子辐射，他最终在工作时倒下了。

As a result of exposure to atomic radiation, he finally collapsed at work. 8) 有明显的证据表明工作上的重压与身体的某些毛病有联系。

There is distinct evidence of the connection between heavy pressure of work and some disorders of the body.

大学英语精读第三版第二册Book2Unit5 上海外语教育出版社 董亚芬主编

Unit5答案

1)h 2)e 4)3)a g 5)f 6)d 7)b 8)c

1)makes up 2)fraction 3) perspectives 4) from year to year 5) poisonous 6) liberate 7) crept

8) transparent

9) to make matters worse 10) consume 11) be replaced 12) interior 13) has disappeared 14) came about

1) has served as 2) may do harm to 3) makes up

4) convert them into 5) in all likelihood 6) from year to year 7) compete with for 8) is essential to

1) poisonous 2) joy 3) treacherous 4) religious 5) prosperous

6) spontaneous 7) humorous 8) mysterious 9) jealousy 10) curious 11) cautious 12) ridiculous 13) ambition 14) generous 15) virtue 16) error

1) fast-growing 2) fast-moving 3) good-looking 4) far-reaching 5) outstanding 6) ill-fitting 7) high-sounding 8) everlasting

1) ill-planned

2) well-paid 3) well-designed 4) well-read 5) newly-wed 6) well-meant 7) widespread 8) far-fetched

1) at first 2) firstly/first 3) First of all 4) first of all/first 5) firstly 6) first 7) at first 8) at first

1) A ballet dancer who does not practice every day loses a lot of skill, as does a musician.

2) Almost all the teachers at the training centre were women, as were the majority of the learners. 3) The first lines gripped him;