Question

【题目】It is known to all that _______ you exercise regularly, you won’t keep good health.

A. unlessB. wheneverC. althoughD. if

Answer 1

【答案】A

【解析】

考查连词。句意：众所周知，除非你经常运动，要不然你不会健康。A. unless除非；B. whenever无论何时；C. although尽管；D. if如果；是否。根据语境，表示“除非”，故选A。