下列四种情况中,物体受到两个力作用而保持平衡的是[ ] A.草地上滚动的足球 B 发布时间:2017-06-27 13:39 │ 来源:www.tikuol.com 题型:选择题 问题: 下列四种情况中,物体受到两个力作用而保持平衡的是[ ]A.草地上滚动的足球B.自由下落的石块C.静止在桌上的花瓶D.沿斜坡匀速向上行使的汽车
题型:选择题 Only ticketholders were ________ to the stadium for the concert given by Jay Chou, so many of his fans were turned away.A.allowedB.permittedC.agreedD.admitted 查看答案