Wearelookingforward_____apartynextSaturd 发布时间:2017-06-16 19:55 │ 来源:www.tikuol.com 题型:选择题 问题: We are looking forward _____ a party next Saturday. [ ]A. to have B. have C. to having D. had
题型:选择题 如图所示,物体P用两根长度相等不可伸长的细线系于竖直杆上,它们随杆转动,若转动角速度为ω,则下列说法错误的是A.ω只有超过某一值时,绳子AP才有拉力B.线BP的拉力随ω的增大而增大C.线BP的拉力一定大于线AP的拉力 D.当ω增大到一定程度时,线AP的拉力将大于BP的拉力 查看答案