如图,物体的重力G=100N,在力F的作用下从A点匀速移动到C点,已知:AB=4 发布时间:2017-07-16 23:58 │ 来源:www.tikuol.com 题型:选择题 问题: 如图,物体的重力G=100N,在力F的作用下从A点匀速移动到C点,已知:AB=4m;BC=3m。则力F做的功应为 [ ]A、300J B、400J C、500J D、700
题型:选择题 She will have to find some other work for she can’t ________ this loud noise any more.A.come up withB.keep up withC.grow up withD.put up with 查看答案