题目内容

The United Nations Conference on Global Environment, which took place earlier this year in Vienna, was a very() meeting.

A. productive
B. communicative
C. aggressive
D. protective

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The local government tried its best to ensure each of its citizens a()supply of food at regular intervals (时间间隔).

A. consistent
B. continual
C. continuous
D. numerous

The boy()the dog with a thick stick but the dog did not yield.

A. came at
B. came with
C. won over
D. won at

The rain stopped and the sun()to shine.

A. came down
B. came out
C. came off
D. came on

After several days of heavy rain the roof()with a loud noise, crashing (坠落) onto the ground.

A. came out
B. came down
C. came on
D. came at

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