治疗热病高热，热极生风，惊痫抽搐的要药是（）。
A.地龙
B.羚羊角
C.钩藤
D.天麻
E.全蝎
参考答案：B
—Are you sure you can do well in tomorrow's test, Anna?
—_____, I've got everything ready.[ ]
A. It's hard to say.
B. I'm afraid not.
C. I think so.
D. I hope not.
以下可以作为Visual Basic变量名的是( )
A．A # A B．counstA C．3A D． AA
