第30题: [单项选择]The normal human daily cycle of activity is of some 7-8 hours' sleep alternating with some 16-17 hours' wakeful- ness. Broadly speaking, the sleep normally______ with the hours of darkness.
A. conform B. coincide C. collide D. comply 参考答案:B 答案解析:coincide (with),“与……巧合”,如:The members of the committee do not coincide in opinion.委员会的委员们意见不合。confor