如图所示,撑高跳运动员用压弯的撑杆把自己送上高处,这是因为压弯了的撑杆具有势能, 发布时间:2017-07-20 09:20 │ 来源:www.tikuol.com 题型:填空题 问题: 如图所示,撑高跳运动员用压弯的撑杆把自己送上高处,这是因为压弯了的撑杆具有 势能,最后转化为运动员的 势能,使他越过横杆.
题型:填空题 As mentioned in the passage, Rod Paige was certainly ______.A.a secretary in charge of education in the NCLB programB.a secretary in charge of TV Education for American childrenC.one of the many men interviewed on radio in 2004D.the man in charge of the Education Ministry of the United States 查看答案