To get there in time, they came ______ a 发布时间:2017-04-21 05:42 │ 来源:www.tikuol.com 题型:选择题 问题: To get there in time, they came ______ all the way.A.to runB.runningC.ranD.run
题型:选择题 下列说法可以证明反应N2 + 3H22NH3,已达平衡状态的是( )A.1个N≡N键断裂的同时有6个H-N键形成B.1个N≡N键断裂的同时有3个H-H键形成C.容器内各物质的浓度相等D.容器内N2、H2、NH3的速率之比为1:3:2 查看答案