Scientists say that many factors ______ changes in the weather.A、bring inB、brin

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问题 Scientists say that many factors ______ changes in the weather.

选项 A、bring in
B、bring off
C、bring about
D、bring forward

答案 C

解析 bring about“造成”，“引起”；bring off“完成”，“使成功”；bring in“收(庄稼)”，“引进”；bring for ward“提出 (建议、论据等)”，“把……提前”。只有C符合题意。

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