空调水管支架安装中，当管道同时存在垂直和水平位移时，可采用（）支架。

A、滚珠弹簧支架

B、滑动支架

C、滚柱支架

D、滚珠支架

When you go to a foreign country, you must try to          the customs there in order to recover from the culture shock quickly.

A．deal with

B．adapt to

C．focus on

D． take over