五强两比资格考试单项选择题每日一练(2019.09.17)

A.176
B.180
C.183
D.186

A.28.5%，28.5%
B.29.0%，29.5%
C.28.5%，29.0%
D.29.0%，28.5%

A.1g
B.0.1g
C.0.01g
D.0.001g

A.25%
B.30%
C.35%
D.40%

A.1.0
B.2.0
C.3.0
D.4.0