Question

【题目】____ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.

A.ItB.As

C.AlthoughD.Unless

Answer 1

【答案】C

【解析】

句意：尽管定期锻炼非常重要，但是临睡前锻炼从来都不是一个好主意。

考查让步状语从句。although：尽管; As：因为；随着；当……时; Unless：除非；结合句意可知，此句是用although引导表让步。故选C。