大鼠致畸试验中的给药时间是受精后()。
A.7~16天
B.8~16天
C.9~16天
D.9~17天
E.8~17天
参考答案:D
《素问·五藏别论》归纳的六腑功能特点是()
A.实而不能满
B.满而不能实
C.实而能满
D.满而能实
E.传泻水谷
It was not until the scientist died________we appreciated the true significance of his discoveries.[ ]
A.after
B.before
C.when
D.that