y=x3-27x+2在[1，2]上的最大值为（）。 发布时间：2018-04-12 10:49 │ 来源：www.tikuol.com 题型：填空题 问题： y=x3-27x+2在[1，2]上的最大值为（）。
题型：填空题 “英国的社会结构不像欧洲大陆那样僵硬不便。没有因袭的社会风尚去阻扰拥有土地的绅士经营工业或买卖；没有法律上的障碍会阻止一个工匠的社会地位上升”。此段材料表明工业革命最早从英国开始是因为 [ ]A．圈地运动改造了英国的传统农业 B．海外扩张、奴隶贸易完成了资本积累 C．完成社会革命，建立资产阶级 * * D．工场手工业时期技术和经验的积累 查看答案
题型：填空题 下图是甲、乙两种固体物质的溶解度曲线图。下列说法中，错误的是[ ]A.甲物质的溶解度受温度影响变化比乙物质大B.t1℃时，甲、乙两种物质的饱和溶液的溶质质量分数相等C.可采用降温的方法使甲物质的不饱和溶液变为饱和溶液D.t2℃时甲物质的饱和溶液的溶质质量分数为30％ 查看答案
题型：填空题 完型填空。 I've always had strong opinions of how love should be expressed, but others had their own ways of showing care. What I 1 most about visiting my boyfriend's parents is the loud tick of the clock in the dining room as we 2 ate our meal. With so little conversation I was quick to 3 his family as cold. When we got into the 4 to go home, his father suddenly appeared 5 , he began to wash his son's windscreen. I couldfeel he is a caring man through the glass. I learned another lesson about love a few years later. My father often 6 me early in the morning. "Buy Xerox. It's a good sharp price," he might say when I answered the phone. No pleasant 7 or inquiry about my life,just financial instructions. This manner of his 8 me and we often quarreled. But one day, I thought about my father's success in business and realized that his concern for my financial security lay behind his 9 morning calls. The next time he called and told me to buy a stock, I 10 him. When my social style has conflicted with that of my friends, I've often felt 11 . For example, I always return phone calls 12 and regularly contact with my friends. I expect the same from them. I had one friendwho rarely called, answering my messages with short e-mails. I rushed to the 13 : She wasn't a good friend! My anger 14 as the holidays approached. But then she came to a gathering I 15 and handed me a beautiful dress I had fallen in love with when we did some window-shopping the previous month. I was 16 at her thoughtfulness, and regretful for how I'd considered her to be 17 . Clearly I needed to change my expectations of friends. Far too often, I ignored their 18 expressions, eagerly expecting them to do things in my 19 . Over the years, however, I've learned to 20 other persons' love signs. ( )1. A. remember ( )2. A. excitedly ( )3. A. regard ( )4. A. bus ( )5. A. punctually ( )6. A. visited ( )7. A. greeting ( )8. A. interested ( )9. A. long ( )10. A. praised ( )11. A. content ( )12. A. in order ( )13. A. feeling ( )14. A. disappeared ( )15. A. opened ( )16. A. depressed ( )17. A. uncaring ( )18. A. unique ( )19. A. opinion ( )20. A. send B. enjoy B. nervously B. treat B. train B. carefully B. interrupted B. meeting B. angered B. short B. remembered B. guilty B. in turn B. suggestion B. grew B. refused B. upset B. dishonest B. common B. way B. read C. value C. silently C. take C. car C. proudly C. warned C. apology C. encouraged C. warm C. blamed C. curious C. without delay C. judgment C. helped C. hosted C. fascinated (对…着迷) C. unhappy C. pleasant C. mind C. give D. admire D. instantly D. think D. plane D. coldly D. telephoned D. explanation D. surprised D. polite D. thanked D. disappointed D. without difficulty D. belief D. declined D. invited D. shocked D. uncooperative D. familiar D. life D. express 查看答案
