Setting fire to the public buildings ______ highly dangerous and forbidden by law.
A. are
B. is
C. has
D. were
—Which city is the capital of France —______.
A. Moscow
B. Tokyo
C. London
D. Paris
在处方书写中,“有效期”可简写为
A. EXT.
B. Exp.
C. Enp.
D. Amp.
E. Caps.
最容易导致妊娠期严重致畸性的药物属于
A类
B类
C类
D类
E. X类