比的前项扩大4倍,后项扩大2倍,比值( ) A.不变 B.扩大4倍 C.扩大2倍 发布时间:2017-04-02 21:33 │ 来源:www.tikuol.com 题型:选择题 问题: 比的前项扩大4倍,后项扩大2倍,比值( )A.不变B.扩大4倍C.扩大2倍
题型:选择题 In the north of China, it has been snowing for weeks on___end, which causes severe damage to crops; it is estimated that the heavy snowfall will come to ____ end next week.A./; anB.the; aC.a; anD.an; / 查看答案