具利水通淋、解暑、清热收湿敛疮功效的药物是（）
A.木通
B.滑石
C.石韦
D.青蒿
E.猪苓
参考答案：B
She used to _______in the morning, but now she is used to _______at night.
A．read; read
B．read; reading
C．reading; read
D．reading; reading
Excel工作簿默认的扩展名为( )。
A．.doc
B．.xls
C．.dot
D．.xlt
