一种药物的毒烈性能被另一种药物消除的配伍关系是()
A.相畏
B.相须
C.相使
D.相恶
E.相杀
参考答案:A
I ______ a flu when I was on a spring outing with my classmates.
A.caught up
B.picked up
C.took up
D.brought up
为什么起吊使用麻绳捆绑边缘锐利的设备时要垫东西?