从物质组成的角度看，与臭氧、红磷、铁属于同一类别的是[ ]
A、钢
B、冰
C、液氧
D、空气
答案：C
任务型阅读(本题有5小题，每小题1分，共5分)
同学们都喜欢看电视，下面有5个电视节目的解说片断，请你根据解说内容，选择相应的电视节目名称。
小题1:People might travel to the moon and even to the Mars for holiday in 50 years.
小题2: A child in Wenzhou fell from the tenth floor, but luckily she was caught by her neighbour.
小题3: Even if you could buy the world, you could not buy a happy family or good friends.
小题4: For families with children, an important problem is getting their children away from computer.
小题5: When you need your help for your schoolwork, go to the library. It can help you.
一般来讲爱尔啤酒所含的DMS远低于贮藏啤酒所含的DMS。
是[ ]
是[ ]