题目

He has to (低语) toavoid being overheard by their nosy neighbors. 答案：【1】Whisper下列实验项目所选择的仪器错误的是A．吸取和滴加少量液体——胶头滴管B．取用大块固体药品——药匙C．将少量试剂混合进行反应——试管D．称量固体药品——天平