可供静脉注射、起效最快的强心苷是()
A.地高辛
B.毛花苷丙
C.洋地黄毒苷
D.毒毛花苷K
E.铃兰毒苷
参考答案:D
如图所示的图案分别是奔驰、奥迪、大众、三菱汽车的车标,其中,可以看作由“基本图案”经过平移得到的是[ ]
A.
B.
C.
D.
—Is Wei Fang good at singing?
—Yes, she is. We often hear her _____ in the next room. [ ]
A. to sing
B. sings
C. sing
D. sang