It is believed that ______ European chemist called Felix Hoffmann first produce

题型：不详难度：来源：

It is believed that ______ European chemist called Felix Hoffmann first produced ASA which completely changed ______ man’s understanding of aspirin.

A．an; a

B．the; a

C．a; /

D．an; /

答案

解析

略

举一反三

--- potato salad is good.
--- I’m very glad you like it. I used special cheese to make it.

A．The;不填

B．The; a

C．A；不填

D．A; the

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Last month, thousands of workers in that city went on _____ strike, demanding lower taxes and ______ end to cutting staff members.

A．a; the

B．a; an

C．不填; an

D．不填; the

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I’m a writer and ___________ language is the tool of __________ trade.

A．the; the

B．不填; a

C．不填; the

D．a; a

题型：不详难度：| 查看答案

25. Now I’ve been out of ______ work for weeks, I’ve joined the ranks of ______ unemployed

A．the; /

B．the; the

C．/; the

D．/; an

题型：不详难度：| 查看答案

The growing interest in ____ history is clearly evident in ____ number of people visiting museums and country houses.

A．不填；不填

B．不填；the

C．the; the

D．the; 不填

题型：不详难度：| 查看答案