题目

下列关于弹力和摩擦力的说法，正确的是（） A . 物体受到弹力时一定也受到摩擦力 B . 劲度系数越大的弹簧，产生的弹力越大 C . 动摩擦因数与物体之间的正压力成反比，与滑动摩擦力成正比 D . 静摩擦力的方向总是与物体的相对运动趋势方向相反 答案：D 完形填空。      My sister and I grew up in a little village in England. Our father was a struggling   1  , but I always knewhe was   2  . He never criticized us, but used   3   to bring out our best. He'd say," If you pout water onflowers, they flourish. If you don't give them water, they die." I   4   as a child I said something   5   about somebody, and my father said, "   6   time you say something unpleasant about somebody else, it's a reflectionof you." He explained that if I looked for the best   7   people, I would get the best   8  . From then on I've always tried to   9   the principle in my life and later in running my company.       Dad's also always been very  10  . At 15, I started a magazine. It was  11  a great deal of my time, and theheadmaster of my school gave me a  12   : stay in school or leave to work on my magazine.      I decided to leave, and Dad tried to sway me from my decision,  13  any good father would. When he realized I Had made up my mind, he said, "Richard, when I was 23, my dad  14  me to go into law. And I've  15  regretted it. I wanted to be a biologist,  16  I didn't pursue my  17 . You know what you want. Go fulfill it."      As  18   turned out, my little publication went on to become Student, a national  19  for young people in the U.K. My wife and I have two children, and I' d like to think we are bringing them up in the same way Dad  20  me. (     )1. A. biologist     (     )2. A. strict        (     )3. A. praise        (     )4. A. think         (     )5. A. unnecessary   (     )6. A. Another       (     )7. A. on            (     )8. A. in case       (     )9. A. revise        (     )10. A. understanding(     )11. A. taking up    (     )12. A. suggestion   (     )13. A. and          (     )14. A. helped       (     )15. A. always       (     )16. A. rather       (     )17. A. promise      (     )18. A. this         (     )19. A. newspaper    (     )20. A. controlled   B. manager       B. honest        B. courage       B. imagine       B. unkind        B. Some                   B. in            B. by turns      B. set           B. experienced   B. making up     B. decision      B. as            B. allowed       B. never         B. but           B. task          B. he            B. magazine      B. comforted     C. lawyer        C. special      C. power        C. remember     C. unimportant C. Any           C. at            C. by chance               C. review        C. serious      C. picking up    C. notice     C. even if     C. persuaded    C. seldom       C. for          C. belief       C. it          C. program      C. reminded     D. gardener                D. learned             D. warmth                D. guess                 D. unusual               D. Other                 D. about                 D. in return               D. follow               D. demanding             D. keeping up            D. choice                 D. as if                D. suggested            D. almost                D. therefore              D. dream                D. that                  D. project               D. raised