题型：问答题 简答题 下列仪器是化学实验中常用的仪器。(1)写出仪器的名称：②___________③ _________。(2)口部或内壁经过了磨砂处理的仪器是_______(填序号，下同)，能用来量取一定体积液体的仪器是_______。（3）请在上述仪器中任选一种仪器，说明使用该仪器时应该注意的一点事项 。 查看答案
题型：问答题 简答题 To be well fit for the job, _____. [ ]A. a good knowledge of physics is needed B. one needs to have a good knowledge of physics C. it is required that one should have a good knowledge of physics D. a good knowledge of physics is important 查看答案
