013年8月，国务院正式批准设立中国（____）自由贸易实验区。
A北京 B．广州 C．上海 D．台肥
答案：C
题目分析:本题为时政题，解析略。
My brother a test next month. He's revising for it now. [ ]
A. has
B. is having
C. is going to have
D. are having
干绝热直减率：rd=0、5℃/100米；湿绝热直减率：rm=1、0℃/100米。（）
