伤寒常见热型：（）
A.稽留热
B.波状热
C.弛张热
D.间歇热
E.马鞍热
参考答案：A
胃气虚弱，痰浊内阻，心下痞硬，臆气不除者治宜选用（）
A.三子养亲汤
B.苏子降气汤
C.半夏泻心汤
D.四磨汤
E.旋覆代赭汤
— What is our head teacher like, do you know?
— Oh, he is very kind _____ he looks very serious. [ ]
A. because
B. though
C. if
D. when
