It's not right to make a decision without ( ) and study.
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It's not right to make a decision without ( ) and study.
A、requirement B、examination C、equipment D、investigation 【正确答案】:D 【题目解析】:本题考查名词辨析。requirement“要求”,examination”考试”,equipment“设备”, investigation”调查” 。句意:没有调查研究就作出决定是不妥的。故选D。