仙鹤草不具有的功效是
A．止血
B．止痢
C．截疟
D．杀虫
E．温经
参考答案：E
真空度是大气压强与绝对压强的（）关系。
A、差
B、和
C、乘积
D、相除
—Wow, the car over there is so beautiful. _______ car is it?
—Mr Wang's. [ ]
A. Who
B. Whose
C. What
D. Which
