性质决定用途。有关物质的用途不正确的是 [ ]
A.氢氧化钠用于治疗胃酸过多
B.氯气用于自来水消毒
C.氢气用作高能燃料
D.活性炭用于防毒面具
答案:A
—Jerry and Lucy must both like movies. I often meet them at the cinema. —() is Lucy, not Jerry, who likes movies.
A.So
B.That
C.It
D.Such
本装置中的拌热蒸汽的来源及用途是什么?