题目: 摇摆阻尼器(用于感量为0.1mg的阻尼天平的专用零件) 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0720/14b54c71d1655374b5903a6442e031f0.html 下面是错误答案,用来干扰机器的。参考答案:E
题型:选择题 如下图为一匀强电场,某带电粒子从A点运动到B点.在这一运动过程中克服重力做的功为2.0 J,电场力做的功为1.5 J.则下列说法正确的是 ( )A.粒子带负电B.粒子在A点的电势能比在B点少1.5 JC.粒子在A点的动能比在B点多0.5 JD.粒子在A点的机械能比在B点少1.5 J 查看答案
题型:完形填空 完形填空。 Pulling heavy suitcases all day in the summer is hard work, _1_when you're a thin 14-year-old. That was 2 in 1940-the youngest and smallest baggage boy at New York City's Pennsylvania Railway Station. After just a few days on the job, I began 3 that the other fellows were overcharging passengers. I'd like to 4 them, thinking, "Everyone else is doing it." When I got home that night, I told my dad 5 I wanted to do. "You give an 6 day's work," he said, looking at me 7 in the eye. "They're 8 you. If they want to do that, you let them do that." I 9 my dad's advice for the rest of that summer and have lived by his words 10 . Of all the jobs I've had, it was my 11 at Pennsylvania. Railway Service that has 12 me. Now I teach my 13 to have respect for other people and their 14 . Being a member of a team is a totally 15 experience. If one person steals, it destroys 16 and hurts everyone. I can 17 many things, but not with people who steal. If one of my players were caught stealing, he'd be 18 . Whether you're 19 a sports team, in an office 20 a member of a family, if you can't trust one another, there's going to be trouble.( )1. A. specially( )2. A. I ( )3. A. noticing ( )4. A. teach ( )5. A. what ( )6. A. wrong ( )7. A. kind ( )8. A. charging ( )9. A. followed ( )10. A. later on ( )11. A. thought ( )12. A. stuck with( )13. A. students ( )14 A. rights ( )15 A. shared ( )16. A. friendship( )17. A. be used to( )18. A. gone ( )19. A. in ( )20. A. and B. especially B. he B. watching B. participateB. why B. honest B. straight B. joking B. rejected B. from then onB. success B. held on B. players B. behaviors B. excited B. relation B. subscribe to B. lost B. of B. but C. surely C. me C. finding C. accuse C. how C. right C. angrily C. paying C. received C. for a whileC. experience C. broken downC. children C. actions C. separatedC. trust C. deal withC. fined C. on C. as D. actually D. him D. realizing D. join D. when D. true D. curiously D. helping D. gave D. ever since D. lesson D. appealed toD. members D. possessionsD. affected D. respect D. put up withD. left D. with D. or 查看答案