齿松牙衄，烦热干渴，舌红苔黄而干者，治宜选用（）
A.玉女煎
B.芍药汤
C.龙胆泻肝汤
D.清胃散
E.凉膈散
参考答案：A
-- My brother is ill in hospital.
-- I am sorry _________that. [ ]
A. hear
B. hearing
C. to hear
我国于（）年研制出“银河三号”计算机
A.1983
B.1997
C.1958
D.1964
