已知集合A={x|y=lg(4-x2)},B={y|y=3x,x>0}时,A∩B 发布时间:2017-04-02 09:22 │ 来源:www.tikuol.com 题型:选择题 问题: 已知集合A={x|y=lg(4-x2)},B={y|y=3x,x>0}时,A∩B=( )A.{x|x>-2}B.{x|1<x<2}C.{x|1≤x≤2}D.∅
题型:选择题 —I’d prefer to spend this Sunday with my classmates on the seashore.—________I’m sure you’ll have a good weekend.[ ]A. What a pity! B. Sounds wonderful. C. Let me see. D. Well done! 查看答案