题目

Hurricanes are severe cyclones with winds over seventy five miles an hour ______ originate over tropical ocean waters.

A

which

B

who

C

where

D

how to

定语从句

本题考查定语从句

A选项,句意:飓风是生成于热带海洋水域上空、风速达每小时75英里以上的强烈气旋。关系代词which引导的定语从句修饰名词winds.

B,选项,从句的先行词是winds,who的先行词一般是人,故排除。

C,选项,从句的先行词是winds,where的先行词一般是地点,故排除。

D,选项,与题意不符,故排除。

故正确答案为A选项。

多做几道

If you are entitled to sickness______, you must claim it from your employer.

A

budget

B

allowance

C

wage

D

income

Around two o’clock every night, Sue will start talking in her dream. It somewhat ________ us.

A

bothers

B

had bothered

C

would bother

D

bothered

It will be at least 10 days _______they finish cleaning up the typhoon-stricken village.

A

until

B

before

C

since

D

when

——What should we pay more attention to if we go camping in the mountains?

——Nothing special. Take a special pair of glasses _______ the wind there is strong and cold.

A

even if

B

in case

C

providing that

D

so long as

This crop has similar qualities to the previous one, _______ both wind resistant and adapted to the same type of soil.

A

being

B

been

C

to be

D

having been

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