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【单选题】

What.s the author.s opinion in part one?

A、

Teenagers. idleness and ignorance will produce serious effect on all concerned and

for society as a whole.
B、

Teenagers. idleness and ignorance will produce positive effect on all concerned and

for society as a whole.
C、

Teenagers. idleness and ignorance won.t produce any serious effect at all.
D、

Teenagers. idleness and ignorance will produce serious effect only on

themselves.

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出自：西安科技大学-测绘工程-大学英语1

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