如图所示,两个完全相同的小球A、B用等长的细线悬于O点.线长L.若将A由图示位置 发布时间:2017-08-06 12:55 │ 来源:www.tikuol.com 题型:多选题 问题: 如图所示,两个完全相同的小球A、B用等长的细线悬于O点.线长L.若将A由图示位置静止释放,则B球被碰后第一次速度为零时的高度可能是( )A.L2B.L10C.L8D.L4
题型:多选题 补全对话,每空一词。A: Hello. 1 to our school. 2 are you 3 ? B: We are from Beijing. A: 4 5 are you? B: We are eleven. We are students of Yuxin Middle School. A: Can you 6 English? B: Yes, we can. And we can speak some Japanese. A: Can you 7 ? B: Yes, we can. We can sing 8 English and Chinese. A: Can you 9 the piano? B: No, we can't. But our parents 10 . 1. _____ 2. _____ 3. _____ 4. _____ 5. _____ 6. _____ 7. _____ 8. _____ 9. _____ 10. _____ 查看答案