题目

—This book is good.?—It's very good, too. A . What's that B . What's the name of that bo0k C . What about that book D . What color is that 答案:C 广口瓶是中学实验中常用仪器之一,下列各装置中均有广口瓶,请填空: (1)装置A可用于收集气体,如H2,若装置A是干燥的,则气体应从  口进入(填“a”或“b”,下同),若A中充满水,则气体应从  口进入. (2)装置B通常用于  ,注意事项是  .(写出两条) (3)装置C的用途是 . (4)装置D中长导管的作用是 ) .  
英语 试题推荐