問題詳情:
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. show; is D. shows; are
【回答】
B
解析:本題考查主謂一致。主句主語是a survey,謂語動詞應用單數形式;從句主語是three hours of outdoor exercise a week 表示一個整體概念,因此謂語動詞也應用單數形式。
知識點:主謂一致
題型:選擇題