大结胸证的病机特点是()
A.水寒互结
B.水热互结
C.痰热互结
D.燥热互结
E.瘀热互结
参考答案:B
---I’m sorry, but I don’t quite follow you. Did you say you wanted to return on September 20?
---Sorry, I ______ myself clear. We want to return on October 20.
A.hadn’t made
B.wouldn’t make
C.don’t make
D.haven’t made
用声压级差值表示声场不均匀度比用声强级差值表示()。
A、更优越
B、更具体
C、不相同
D、更准确