听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给出的三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有5秒钟的时间阅读各个小题；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 What should the man drink a lot

A．her
B．itself
C．herself
D．oneself

A．the different seasonal changes
B．the effects of climatic change on msn and beasts
C．the Gobi as a terrible place to live in
D．the seasonal cycle of the Gobi