1Almost all economists agree that nations， gain by trading with one another.

A work

B profit

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C rely

D prove

2The conference explored the possibility of closer trade links.

A denied

B investigated

C stressed

D created

3The chemical is deadly to rats but safe to cattle

A fatal

B hateful

C good

D useful

4During his lifetime he was able to accumulate quite a fortune.

A control

B spend

C collect

D exchange

5It’s impolite to cut in when two persons are holding a conversation

A leave

B talk loudly

C stand up中华考试网

D interrupt

答案：1. B 2. B 3. A 4. C 5. D

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