下列运算正确的是（ ） A．（-3x2y）3=-9x6y3 B．（a+b）（a+b） 发布时间：2017-04-26 08:51 │ 来源：www.tikuol.com 题型：选择题 问题： 下列运算正确的是（ ）A．（-3x2y）3=-9x6y3B．（a+b）（a+b）=a2+b2C．4x3y2•(-12xy2)=-2x4y4D．（x2）3=x5
题型：选择题 完形填空 It was her giggling that drew my attention.Note taking really wasn't all that funny. Walking over to the offender, I asked for the_1_.Frozen, she refused to give it to me.I waited, all attention in the classroom on the quiet 2 between teacher and student.When she finally 3 it over she whispered, "Okay, but I didn't draw it." It was a handdrawn 4 of me, teeth blackened and the words "I'm stupid" coming out of my mouth. I managed to fold it up calmly.My mind, 5 , was working angrily as I struggled not to 6 . I figured I knew the two most likely candidates for drawing the picture.It would do them some 7 to teach them a lesson, and maybe it was high time that I did it! Thankfully, I was able to keep myself 8 . When there were about six minutes remaining, I showed the class the picture.They were all silent as I told them how 9 this was for me.I told them there must be a reason 10 and now was their chance towrite down anything they needed to tell me.Then I let them write silently while I sniffed in the back of theclassroom. As I 11 the notes later, many of them said something like, "I've got nothing against you," or "I'm sorry you were hurt." Some kids said, "We're 12 of you." But two notes, from the girls who I 13 were behind the picture, had a list of issues.I was too 14 , too strict… Reading those notes, I realized that over the course of this year, instead of 15 my students, I hadbegun commanding them to 16 .Where I thought I was driving them to success I was 17 driving themaway. I had some apologizing to do.But the next day in the classroom, one boy and one girl each handed mea card.The one 18 by all the boys expressed sincere regret for the ugly joke.The one from the girls asked for 19 . This was a lesson for both the kids and me.Forgiveness does not change the past, but it does enlargethe 20 .( )1. A. note ( )2. A. battle ( )3. A. took ( )4. A. statue ( )5. A. otherwise ( )6. A. leave ( )7. A. good ( )8. A. amused ( )9. A. meaningful ( )10. A. aside ( )11. A. wrote ( )12. A. proud ( )13. A. figured ( )14. A. talkative ( )15. A. forcing ( )16. A. appreciate ( )17. A. actually ( )18. A. decorated ( )19. A. thankfulness ( )20. A. friendship B. advice B. competition B. thought B. graph B. however B. cry B. harm B. controlled B. forgetful B. above B. finished B. fond B. promised B. mean B. encouraging B. apologize B. normally B. offered B. forgiveness B. education C. reason C. argument C. turned C. picture C. therefore C. explain C. favor C. uninterested C. regretful C. beneath C. read C. afraid C. concluded C. clumsy C. comforting C. compromise C. immediately C. signed C. compensation C. knowledge D. help D. conversation D. handed D. poster D. besides D. argue D. punishment D. relaxed D. hurtful D. behind D. collected D. ashamed D. confirmed D. considerate D. teaching D. achieve D. generally D. bought D. communication D. future 查看答案
题型：选择题 关于脑膜炎球菌多糖疫苗，叙述正确的有（）A.目前脑膜炎球菌B群尚无有效疫苗B.A群脑膜炎球菌多糖疫苗虽可对幼儿诱生抗体和免疫记忆，但需重复接种才能诱生足够效价的抗体C.C群脑膜炎球菌多糖疫苗对年龄＜2岁儿童无可靠的免疫原性，如果给幼儿接种这种疫苗可导致在以后几年对C群抗原的耐受性D.A群、C群或多价脑膜炎球菌多糖疫苗可进行应急免疫接种，控制流行性脑脊髓膜炎暴发E.Y群和W135群多糖疫苗对所有人群均具有免疫原性 查看答案