单项选择题
A.仅Ⅰ对 B.仅Ⅱ对 C.Ⅰ十Ⅱ都对 D.Ⅰ,Ⅱ都不对
A.0.1867 B.0.1905 C.0.3112 D.0.1700
A.1867 B.1187 C.1700 D.1020
A.35 B.80 C.40 D.17.5
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