单选以下各组仪器均为不可以用酒精灯直接加热的是 A. • A.蒸发皿、烧瓶、容量瓶 B. • B.试管、烧杯、表面皿 C. • C.锥形瓶、烧杯、烧瓶 D. • D.量筒、试管、烧杯
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【简答题】When checking ID certificates, the police should be careful so as to ensure that ID certificates are valid. Fake ID or certificates are for entry. In addition, guests and ID certificates (Passpo...