On _______ side of the river there are a lot of trees.
A.both
B.any
C.either
D.neither
答案:C
血凝仪的进展体现在哪几个方面?
婴儿、面部、会阴部一般应用下列哪项消毒()
A.新洁尔灭
B.碘酊
C.酒精
D.0.75%吡咯烷酮碘
E.甲醛