A survey of the opinions of expertsthat three hours of outdoor exercise a weekgood for one’s health.

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问题 A survey of the opinions of experts______that three hours of outdoor exercise a week______good for one’s health.

选项 A、show;are
B、shows;is
C、show;is
D、shows;are

答案B

解析本题考查主谓一致。第一空的主语是a survey，故用单数shows；第二空是不可数名词exercise作主语，故用is。

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