― It is reported that Americans eat too much protein each day. ―They eat ______a

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― It is reported that Americans eat too much protein each day.
―They eat ______as they actually need.

A．as twice much

B．much as twice

C．as much twice

D．twice as much

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解析

略

举一反三

—Mum, would you buy some cherries for me? I love them.
—I’d like to, but they are not ________ in winter.

A．accustomed

B．convenient

C．casual

D．available

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It was ________ of my secretary not to have let others disturb me this morning when I was occupied with my work.

A．generous

B．polite

C．considerate

D．sympathetic

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Will you drop in at my house this afternoon if　_________?

A．it is convenient to you	B．you are convenient
C．it is convenient of you	D．you will be convenient

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At a rough estimate（估计）, Nigeria is ____ Great Britain.

A．three times the size as	B．the size three times of
C．three times the size of	D．three times as the size of

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Smoking is so harmful to personal health that it kills_____people each year than automobile accidents.

A．seven more times	B．seven times more
C．over seven times	D．seven times

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