瓜蒂入丸散,常用剂量是()
A.1~3g
B.3~6g
C.2.5~5g
D.0.3~1g
E.4.5~9g
参考答案:D
债券的市场价格与到期收益率之间是反方向变动的关系,对于投资者来说,当预期市场利率将下降时,应该及时将债券售出。
The Communicative Approach emphasizes that the goal of language learning is ______.
A. communicative competence B. analytical discourseC. correcting errors D. direct response