题目

不等式组的解集是(    ) A.{x|0<x<2}            B.{x|0<x<2.5}C.{x|0<x<}         D.{x|0<x<3} 答案:C18、It is said that people are          likely to tell lies over the phone as they are in emails. A.as twice               B.twice as           C.twice more          D.twice than
数学 试题推荐