题目内容

【C7】

A. more than
B. and
C. rather than
D. but

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【C15】

A. result from
B. lead to
C. produce
D. attack

【C11】

A. generation
B. the all
C. average
D. fields

【C9】

A. calculated
B. estimated
C. investigated
D. increased

【C19】

A. advert
B. attract
C. addict
D. attraction

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