一个不稳定的原子核质量为M,处于静止状态.放出一个质量为m的粒子后反冲.已知放出 发布时间：2017-04-15 09:14 │ 来源：www.tikuol.com 题型：选择题 问题： 一个不稳定的原子核质量为M,处于静止状态.放出一个质量为m的粒子后反冲.已知放出的粒子的动能为E0,则原子核反冲的动能为( )A．E0B．C．D．
题型：选择题 We forbid _____________here. Who permits you_____________？A．smoking; smokingB．smoking; to smokeC．to smoke; to smokeD．to smoke; smoking 查看答案
题型：选择题 被取保候审的犯罪嫌疑人、被告人应当遵守以下规定( )。A．未经执行机关批准不得离开所居住的市、县B．在传讯的时候及时到案C．不得以任何形式干扰证人作证D．不得毁灭、伪造证据或者串供 查看答案
题型：选择题 选词补全对话。How, OK, Who, will, Where, What, How much, How old, Thank, think1. A: ____________ was your trip? B: It was wonderful. 2. A: Here you are. B: ____________ you. 3. A: Let's play the guitar together. B: ____________. 4. A: ____________ will go to Dalian with you? B: My parents. 5. A: Will you visit a friend next Friday? B: Yes, I ____________. 6. A: ____________ is your friend from? B: He is from Canada. 7. A: This comic book looks more interesting. B: I don't ____________ so. 8. A: ____________ do we need to make a sandwich? B: You need flour, butter and sugar.9. A: ____________ ____________ is he? B: He is seven years old. 10. A: ____________ ____________ is this book? B: It's twenty yuan. 查看答案
题型：选择题 对于不明身份、询问敏感问题的客户，加油站经理首先应（）。A、要求客户马上提供证件B、询问客户身份，判明客户询问目的C、悄悄地报警D、明确告诉他，公司有保密规定，自己不能说，请他离开 查看答案
