题型：判断题 将一定质量的镁、铜合金加入到稀硝酸溶液申，两者恰好完全反应，假设反应过程中还原产物全部是NO，向所得溶液中加入物质的量浓度为3 mol·L-1的NaOH溶液至沉淀完全，测得生成沉淀的质量比原合金的质量增加5.1g，则下列有关叙述中正确的是（ ）A．开始加入合金的质量可能为16.4gB．参加反应的硝酸的物质的量为0.1molC．标况下产物NO的体积为22.4升D．生成沉淀完全时消耗NaOH溶液的体积为100mL 查看答案
题型：判断题 完型填空。 I did very badly at school. My headmaster thought I was 1 and when I was 14 he said, "You're never going to be 2 but a failure." After five years of 3 jobs, I fell in love with a very nice middle-class girl. It was the best 4 that could have happened to me. I 5 I wanted to do something positive (积极地) with my life because I wanted to prove to 6 that what people said about me was 7 . Especially her mother, who had said to me, "Let's 8 it, you've failed at everything you've ever done." So I tried hard with my 9 and went to college. My first novel 10 while I was at college. After college I taught during the 11 in high schools and attended evening classes at London University, where I got a 12 in history. I became a lecturer at a college and was thinking of 13 that job to write full time 14 I was offered a part-time job at Leeds University. I began to feel proud of myself - 15 was a working-class boy who'd 16 school early, now teaching at the university. My writing career (职业) took off when I discovered (发现) my own style. Now I'm rich and 17 , have been on TV, and met lots of film stars. 18 what does it mean? I 19 wish all the people that have put me down had 20 :"I believe in you. You'll succeed." ( )1. A. bright ( )2. A. anything ( )3. A. low ( )4. A. support ( )5. A. agreed ( )6. A. me ( )7. A. wrong ( )8. A. see ( )9. A. experiment ( )10. A. came on ( )11. A. day ( )12. A. graduation ( )13. A. giving in ( )14. A. while ( )15. A. there ( )16. A. left ( )17. A. tired ( )18. A. And ( )19. A. just ( )20. A. praised B. useless B. something B. poor B. happiness B. decided B. them B. right B. know B. practice B. came in B. night B. pass B. giving back B. if B. here B. attended B. calm B. But B. exactly B. said C. simple C. everything C. good C. surprise C. planned C. her C. stupid C. understand C. writing C. came out C. month C. degree C. giving out C. when C. it C. changed C. nervous C. However C. so C. answered D. hopeful D. nothing D. useful D. thing D. told D. it D. faulty D. face D. composition D. came back D. year D. success D. giving up D. or D. that D. graduated D. famous D. Well D. very D. advised 查看答案