While he was investigating ways to improve the telescope, Newton made ______ dis

题型：不详难度：来源：

While he was investigating ways to improve the telescope, Newton made ______ discovery which completely changed ______ man’s understanding of colour.

A．a; 不填

B．a; the

C．不填; the

D．the; a

答案

解析

根据语境得知牛顿的一次发现是泛指，应用不定冠词；man表示“人类”，其前不用冠词。

举一反三

It is ______ world of wonders, ______ world where anything can happen.

A．a; the

B．a; a

C．the; a

D．不填; 不填

题型：不详难度：| 查看答案

There was ______ time ______ I hated to go to school.

A．a; that

B．a; when

C．the; that

D．the; when

题型：不详难度：| 查看答案

When you finish reading the book, you will have______ better understanding of ______ life. 　

A．a; the

B．the; a

C．不填; the

D．a; 不填

题型：不详难度：| 查看答案

When you come here for your holiday next time, don’t go to ______ hotel; I can find you ______ bed in my flat.

A．the; a

B．the; 不填

C．a; the

D．a; 不填

题型：不详难度：| 查看答案

When he left ______ college, he got a job as ______ reporter in a newspaper office.

A．不填; a

B．不填; the

C．a; the

D．the; the

题型：不详难度：| 查看答案