统计上可认为（） A.两总体均数不同 B.两总体均数相同 C.两样本均数不同 D.两 发布时间：2019-02-17 00:47 │ 来源：www.tikuol.com 题型：单项选择题 A1/A2型题 问题： 统计上可认为（）A.两总体均数不同B.两总体均数相同C.两样本均数不同D.两样本均数相同E.两总体均数相同，两样本均数不同
题型：单项选择题 A1/A2型题 《刑法》规定，证券交易内幕信息的知情人员或者非法获得证券交易内幕信息的人员，在涉及证券的发行、交易或者其他对证券的价格有重大影响的信息尚未公开前，买入或卖出该证券，情节严重的，将给予警告或没收非法所得的处罚。（） 查看答案
题型：单项选择题 A1/A2型题 完形填空。 Recently, one of my best friends, whom I've shared just about everything with since childhood, spent the weekend with me. Since I moved to a new town several years ago, we've both always looked forward to thefew 1 a year when we can see each other. Over the weekend, we spent hours and hours, staying up 2 into the night, talking about the people she was 3 . She started telling me stories about her new boyfriend, about how he experimented with drugs and was 4 other self-destructive behavior. I was blown away! She told me 5 she had been lying to her parents about where she was going and even 6 out to see the guy. No matter how hard I tried to tell her that she deserved 7 , she didn't believe me. Her self-respect seemed to have 8 . I tried to 9 her that she was ruining her future and heading for big 10 , but she thought it acceptable to have such a boyfriend. By the time she left, I was really worried about her and 11 by the experience. It had been so frustrating, I had come 12 to telling her several times during the weekend that maybe we had just 13 too far apart to continue our friendship-but I didn't. I put the 14 of friendship to the final test. We'd been friends for far too long. I had to hope that she 15 me enough to know that I was trying to save her from 16 herself. I wantedto believe that our friendship could conquer 17 . A few days later, she called to say that she had thought long and hard about our 18 , and then she told shehad broken up with her boyfriend. I just listened on the other end of the phone with tears of 19 running downmy face. It was one of the truly 20 moments in my life. ( )1. A. instants ( )2. A. straight ( )3. A. hanging with ( )4. A. of ( )5. A. how ( )6. A. coming ( )7. A. worse ( )8. A. improved ( )9. A. recommend ( )10. A. chance ( )11. A. exhausted ( )12. A. almost ( )13. A. kept ( )14. A. power ( )15. A. praised ( )16. A. hurting ( )17. A. everybody ( )18. A. friendship ( )19. A. surprise ( )20. A. regretful B. times B. ahead B. dealing with B. above B. why B. stealing B. higher B. changed B. advise B. trouble B. satisfied B. forward B. moved B. difference B. blamed B. cheating B. nobody B. conversation B. sorrow B. rewarding C. weeks C. late C. trading with C. through C. when C. hurrying C. better C. strengthened C. convince C. destination C. encouraged C. close C. settled C. quality C. valued C. criticizing C. something C. relationship C. joy C. vital D. scenes D. long D. comparing with D. into D. where D. driving D. poorer D. disappeared D. introduce D. ambition D. accustomed D. nearby D. grown D. wisdom D. followed D. concerning D. anything D. decision D. disappointment D. urgent 查看答案
统计上可认为（）统计上可认为（）