译文:

[词语解析]

mass n. (1)quantity of matter without a regular shape

(2) a large number of

[短语拓展] a mass of和masses of表示许多，大量；即可修饰可数名词也可修饰不可数名词

Para.4

4.Edwin Hubble was about to make astronmy's greatest breakthrough of the century. (B级)

译文:

be about to do意为

5.He discovered small areas of mist which were in fact galaxies like our own, millions of light years away from us, which proved that the universe was vastly larger than (what) had previously been thought.

[句子分析] (C级)

这是一个主从复合句，which were in fact galaxies like our own,为 从句，修饰small areas of mist作它的定语。

which proved that the universe was vastly larger than ...为 从句,修饰整个句子。that the universe was vastly larger than ... 为

从句，做proved的 语。

Para.6

6.Fleming remained modest about the amazing outcome of his dicovery. (B级)

译文:

[复习回顾]remain意思为: ,是 （词性），后可接 。

Para.7

7. The navy turned to Eckert,an enginner,and Mauchly,a physicist,to wrest with the problem and produce a machine to do the job. (B级)

译文:

turned to意思为:

wrest with sb./sth. 意思为:

〈练一练〉(C级)

①Armed guards wrestled with the intruder.

译文:

②She had spent the whole weekend wrestling with the problem.

译文:

8. It measured 100 feet long by over 10 feet high and weighed over 30 tons. (B级)

译文: