三子养亲汤的功用是（）
A．清胆利湿，和胃化痰
B．降气快膈，化痰消食
C．清胃化痰，降逆止呕
D．行气温中，燥湿除满
E．理气化痰，温中和胃
参考答案：B
— A Boeing 777-200 plane became lost in communication (失去联系) at midnight the early morning of March 8th．
—I was amazed(震惊) to hear that.
A．on
B．in
C．at
D．of
CRT显示器显示西文字符时，通常一屏最多可显示
A．25行、每行80个字符
B．25行、每行60个字符
C．20行、每行80个字符
D．20行、每行60个字符
