判断题
单项选择题
A.5 B.8 C.10 D.15
A.6 B.8 C.10 D.15
A.6 B.8 C.10 D.12
A.0.2-0.3 B.0.3-0.4 C.0.4-0.5 D.0.5-0.6
A.0.4-0.7 B.0.7-1.0 C.1.0-1.2 D.1.2-1.2
