2018年重庆自考英语（二）考前串讲：UNIT2-3

3、习题

Unit 2 练习：

1.词汇英译汉：

escape, explode, collapse, shrink, gravity, measurement, basis, launch, convincing, companion,

speculation, swallow, operate, to make use of, a great many, above all

2.句子英译汉：

1) ~6) 与常考句型相同。

7) There might be a massive black hole at the center of our galaxy swallowing up stars at a very rapid rate.

8) They show us a world which operates in a totally different way from our own and they question our most basic experience of space and time.

3 句子汉译英

黑洞是什么，天文学家还没有完全解决这个问题。

Astronomers have not yet fully solved the problem of what a black hole is.

据说黑洞可以将其周围的一切物体，如星星吞食掉。

It is said that black holes are able to swallow up all the objects around them, such as stars .

对黑洞的研究刚刚开始，各种各样的假说层出不穷。

The research of black holes is just beginning and speculation about them are endless.

科学家仍不能说出黑洞内发生了什么。

Scientists still can not tell what happens inside a black hole.

It is still impossible for scientists to tell what happens inside a black hole.

如果我们认识了黑洞，黑洞就不那么可怕了。

If we understood black holes, they would not be so fearful .

Black holes will not be so fearful if we get to know them.

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