下列哪种强心甙静脉给药时,起效最快()。
A.地高辛
B.洋地黄毒甙
C.铃兰毒甙
D.西地兰
E.毒毛花苷K
参考答案:E
—I want to drink a bottle of orange.
—_____.[ ]
A. Can I help you?
B. OK, thank you
C. Here you are
D. You’re welcome
函数
的无穷间断点数为
A.( 0.
B.( 1.
C.( 2.
D.( 3.