單項選擇題
A.1/150 B.1/300 C.1/400 D.1/1000
A.500；40 B.500；35 C.800；40 D.800；35
A.0.2 B.0.3 C.0.4 D.0.5
A.0.8 B.0.9 C.1.0 D.1.2
A.40 B.75 C.150 D.350
A.40 B.75 C.180 D.350
A.0.5 B.0.6 C.0.7 D.0.8
A.2 B.2.5 C.3 D.3.5
A.0.8 B.0.9 C.1.0 D.1.1
A.30 B.35 C.40 D.45
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