Could you please us Mary's telephone num 发布时间:2017-04-30 03:06 │ 来源:www.tikuol.com 题型:选择题 问题: Could you please us Mary's telephone number? [ ]A. to give B. giveC. giving D. to giving
题型:选择题 从离地4.9m高处,以6m/s的速度水平抛出一只小球,小球从抛出到落地之间速度改变量的大小为( )( g=9.8m/s2 )A.6m/sB.12m/sC.9.8m/sD.15.8m/s 查看答案