某城市的空气污染指数为78,表明该城市空气状况是 [ ] A.优 B.良 C.轻 发布时间:2017-07-07 22:13 │ 来源:www.tikuol.com 题型:选择题 问题: 某城市的空气污染指数为78,表明该城市空气状况是 [ ]A.优 B.良 C.轻度污染 D.重度污染
题型:选择题 —Maria, what're you going to be when you grow up?—A _______.I like to help doctors and take care of the sick. [ ]A. nurse B. reporter C. teacher D. policewoman 查看答案