治风寒咳嗽、痰多气逆宜选用()
A.川贝枇杷露
B.半夏止咳糖浆
C.川贝清肺糖浆
D.二母宁嗽丸
E.复方枇杷叶膏
参考答案:B
Air bags for cars were invented _____ lives. Without them more people would be injured in car accidents.
A.saving
B.saved
C.to save
D.to have saved
微型计算机中的内存储器,通常采用______。
A.半导体存储器
B.磁表面存储器
C.光存储器
D.磁芯存储器