下列哪几项是桂枝所具有的药理作用
A.发汗
B.解热
C.扩张皮肤血管
D.抗菌
E.强心
参考答案:A,B,C,D,E
青春期的年龄是指( )
A.6、7岁-11
B.10、12岁-20岁
C.18-25岁
D.25-35岁
One of the objectives by the Natural Approach is to enable the students to make the meaning clear but not necessarily be ______ in all details of grammar.
A.correct
B.accurate
C.brief
D.concise