数据5,7,7,8,10,11的平均数是( ) A.7 B.8 C.10 D.11 发布时间:2017-05-02 15:37 │ 来源:www.tikuol.com 题型:选择题 问题: 数据5,7,7,8,10,11的平均数是( )A.7B.8C.10D.11
题型:选择题 The conference has been held to discuss the effects of tourism _____ the wildlife in the area. [ ]A. in B. on C. at D. with 查看答案