人生只要有挫折,就一定能成功。 ________________________ 发布时间:2017-04-30 00:59 │ 来源:www.tikuol.com 题型:辨析题 问题: 人生只要有挫折,就一定能成功。_____________________________________________________________________________
题型:辨析题 如图所示,用细线悬挂一个小球,在水平恒力F作用下小球能在B处静止,现用该恒力F将小球由静止从竖直位置A拉到位置B,此时线与竖直方向的夹角为θ,则有 [ ]A.由A到B的过程中恒力F做的功等于小球势能的增量 B.小球将静止在B点 C.细线对小球做功为零 D.若在B点将力F撤去,小球来回摆动时偏离竖直方向的最大角度将大于θ 查看答案
题型:辨析题 读一读,排列顺序,再选择对应的图片。 ( ) Water them.A. ( ) Put some corn seeds into the soil.B. ( ) In three months the com grows up. We are ready for busy harvest (丰收).C. ( ) In several days, the plant has two green leaves.D. 查看答案