对降低空气动力性噪声有效的技术措施有()。
A.吸声
B.隔声
C.消声
D.减振
参考答案:C
(2012·重庆高考)We're having a meeting in half an hour.The decision ________ at the meeting will influence the future of our company.
A.to be made
B.being made
C.made
D.having been made
宜饭后服用的药物是()
A.功能峻下逐水者
B.对胃有刺激性者
C.用于驱虫者
D.用于安神者
E.用于补益者