A . 0.1~0.5取0,0.6~0.9取1.0B . 0.1~0.5取0.5,0.6~0.9取1.0C . 0.1~0.5取0,0.6~0.9取0.5D . 0.1~0.5取0.5,0.6~0.9取0.5
答案: <查看本题扣1积分>
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