设α1，α2，…，αn是n维列向量，又A=(α1，α2，…，αn)，B=(αn，α1 发布时间：2019-03-24 12:33 │ 来源：www.tikuol.com 题型：填空题 问题： 设α1，α2，…，αn是n维列向量，又A=(α1，α2，…，αn)，B=(αn，α1，…，αn-1)，若|A|=3，则|A+B|=______．
题型：填空题 阅读下面这段文字，完成后面的题目。(3分)①继2006年荣膺第78届奥斯卡金像奖的最佳导演奖之后， ②在今晚举行的第85届奥斯卡金像奖颁奖典礼上，③华人导演李安凭借其新作“少年派的奇幻漂流”战胜史蒂文·斯皮尔伯格等好莱坞的大牌导演，④再度获得最佳导演奖。⑤同时该片还获悉了最佳摄影、最佳视觉效果及最佳原创音乐三项大奖，⑥成为2012年好莱坞的最大赢家。小题1:加点的“的”不能删去的是第________句。小题2:用词不当的是第________句，词语________应改为________。小题3:存在标点错误的是第________句，修改意见：________________。 查看答案
题型：填空题 完形填空。 Our school has a weekly "Parents View" program. Around four years ago, I 1 a call from the headmaster to come to the"Parents View" talk the next morning. After the call I became very nervous and anxious. Many 2 thoughts were coming. One of them was to call the headmaster with 3 and tell him that I could not come. 4 , I gathered some courage. I thought, 5 I missed this opportunity, surely the school would never 6 me again to any of their programs. So, I 7 to go and speak. When my turn came and I started speaking, my heartbeat increased and my mouth went 8 . I wasn't even able to read the written speech 9 . I was not 10 of where I was standing and what I was reading. After my speech, I met with the headmaster and 11 what happened to me. He told me that this happened to everyone. Even great 12 faced the same things when they started. He 13 that I come again. I prepared a topic of talk for the next occasion. This time I was somehow comfortable but not very confident. Afterwards, I met with the headmaster again and told him about the 14 I felt I had made. He was 15 enough to invite me again, but this time to give a 16 to the teachers. I prepared and practiced day and night. With the blessing of God, this went very well and was 17 by the headmaster as well as the teachers because they knew where I started from. They encouraged and praised my 18 . After delivering this presentation successfully, I became 19 . I learned that everything is possible if we have 20 to take the first step. ( )1. A. received ( )2. A. serious ( )3. A. fear ( )4. A. Fortunately ( )5. A. though ( )6. A. invite ( )7. A. refused ( )8. A. hot ( )9. A. properly ( )10. A. sick ( )11. A. argued ( )12. A. speakers ( )13. A. commanded ( )14. A. story ( )15. A. kind ( )16. A. message ( )17. A. scolded ( )18. A. faith ( )19. A. popular ( )20. A. aims B. made B. negative B. excitement B. Finally B. until B. take B. offered B. dry B. carefully B. afraid B. proved B. teachers B. suggested B. mistake B. honest B. suggestion B. appreciated B. choice B. special B. luck C. accepted C. deep C. regret C. Actually C. because C. bring C. decided C. open C. cheerfully C. fond C. explained C. parents C. requested C. trouble C. stubborn C. presentation C. instructed C. results C. confident C. chances D. gave D. sudden D. delight D. Obviously D. if D. send D. pretended D. full D. actively D. aware D. concluded D. students D. demanded D. progress D. eager D. comment D. corrected D. efforts D. famous D. courage 查看答案
题型：填空题 有以下程序main()int a=1,b=3,c=5;int *p1=＆a, *p2=＆b, *p=＆c;*p=*p1*(*p2);printf("%d\n", c);执行后的输出结果是______。(A) 1(B) 2(C) 3(D) 4 查看答案