静脉滴注过快易发生红人综合征的是()
A.万古霉素
B.克林霉素
C.阿奇霉素
D.庆大霉素
E.青霉素
参考答案:A
Sometimes it is hard to tell how a quarrel ___ . [ ]
A. comes on
B. comes about
C. comes out
D. comes around
已知A2.36=25.1%,A1.18=32.6%,求1.18mm筛上的分计筛余a1.18()
A.32.6%
B.25.1%
C.7.5%
D.-7.5%