题目

现有下列仪器:①量筒②试管③胶头滴管④酒精灯。量取25mL的液体,应选取的仪器是                               ( ) A、②①  B、①③ C、③④       D、②④ 答案:B― Tom failed in the math test.― Just as I had expected. He is too lazy. However, he's ___ but stupid.A. anyone                B. no one           C. anything         D. nothing
化学 试题推荐