题目内容
A survey of the opinions of experts ______ that three hours of outdoor exercise a week _____ good for one’s health.
| A.show; are | B.shows; is | C.shoe; is | D.shows; are |
B
考查主谓一致。A survey是主语,所以第一空用shows; that引导的宾从exercise是主语,所以用is 。选B。
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