1.When the first all-purpose computer was completed in 1946, no one could have foreseen the enormous impact it would have in the years ahead.英语专业四级听力

(A) dangerous (B) historical (C)tremendous

2.More than 89 of the buildings in Annapolis, Maryland, were erected before the Revolutionary War.

(A) planned (B) leveled (C) constructed

3.The Imperial Palace of China, now one of the world's greatest museums was once the estate of the Chinese emperor.

(A) foundation (B) museum (C) property

4.Biological oceanographers study how organisms live in the sea and how various species evolve and adapt to their environment.

(A) swim (B) reproduce (C) develop

5.Potential computer buyers have come to expect versatility, energy

efficiency, and simplicity as essential components of new equipment.

(A) necessary (B) nominal (C) suspicious

答案：CCCCA

详解：

tremendous

adj. 极大的，巨大的;惊人的

Tremendous changes have taken place here.

这里发生了巨大的变化。

constructed

vt. 构造，建造;创立，构筑;搭建(construct的过去分词)

He constructed his house with an eye to architectural beauty.

他在建造房屋时着眼于建筑之美。

property

n. 性质，性能;财产;所有权

He forfeited his property by crime.

他因犯罪被剥夺财产。

develop

vt. 开发;进步;使成长;使显影

vi. 发育;生长;进化;显露

Develop the economy and ensure supplies.

发展经济， 保障供给。

necessary

adj. 必要的;必需的;必然的

n. 必需品

It is necessary, I think, to head up the chapters.

我认为给每一章都加上个标题是很有必要的。