Many years ago I drove a taxi for extra money. I drove mainly from the downtown to the1, beside the Greenwood Racetrack which was in operation at that time.
Each time a taxi drove up to the station, many kids would run along the2to the passenger door. One3kid would open the passenger door and say, “4, sir.” The passenger would always say thanks and give the kid a5on his way from the taxi to the entrance of the track. It was a routine that everybody knew.
One day I noticed a boy, who was6than most of them but was pushed away by even the smallest kid. He never pushed back.7, he would even step aside when others pushed forward. But he never8.
Then one morning as I was9to the sidewalk, all the other kids were running after a taxi10mine. They didn’t notice mine.
The boy saw me and walked toward my taxi. As I pulled up I made sure that I stopped in a11with the passenger door right beside him. He12the passenger door with a flourish(夸张动作) and said, “Good luck at the track, sir.”
13, the man did not tip him a quarter. Instead he14, “Get out of my way!” He pushed him aside so15that the boy fell on the sidewalk and I knew he was badly hurt. I got out of my car quickly16find that the man disappeared in the crowd.
So I looked for the kid. I decided to give him $20 for all his17. But he was far up ahead, walking out of the station18. The traffic policeman waved at me to get my car going.19, I never saw him again. I’d like to find him one day and tell him that if only he had stuck around a little longer I would have given him a whole $20.
I learned an important lesson from the boy. When things seem so20that you are ready to give up, that is the time when things are most likely to turn around for you.

1. 1.
   1. A.
      school
   2. B.
      station
   3. C.
      office
   4. D.
      hospital
2. 2.
   1. A.
      sidewalk
   2. B.
      way
   3. C.
      track
   4. D.
      step
3. 3.
   1. A.
      strong
   2. B.
      tall
   3. C.
      lucky
   4. D.
      active
4. 4.
   1. A.
      Stop
   2. B.
      Welcome
   3. C.
      Help
   4. D.
      Good luck
5. 5.
   1. A.
      smile
   2. B.
      tip
   3. C.
      hug
   4. D.
      prize
6. 6.
   1. A.
      short
   2. B.
      bigger
   3. C.
      weaker
   4. D.
      smarter
7. 7.
   1. A.
      In fact
   2. B.
      In general
   3. C.
      In total
   4. D.
      In case
8. 8.
   1. A.
      gave in
   2. B.
      gave away
   3. C.
      gave up
   4. D.
      gave off
9. 9.
   1. A.
      pushing up
   2. B.
      speeding up
   3. C.
      keeping up
   4. D.
      pulling up
10. 10.
    1. A.
       above
    2. B.
       beside
    3. C.
       in front of
    4. D.
       over
11. 11.
    1. A.
       position
    2. B.
       car
    3. C.
       tree
    4. D.
       situation
12. 12.
    1. A.
       closed
    2. B.
       opened
    3. C.
       kicked
    4. D.
       knocked
13. 13.
    1. A.
       Therefore
    2. B.
       So
    3. C.
       However
    4. D.
       Then
14. 14.
    1. A.
       smiled
    2. B.
       wept
    3. C.
       advised
    4. D.
       shouted
15. 15.
    1. A.
       hard
    2. B.
       softly
    3. C.
       sweetly
    4. D.
       slowly
16. 16.
    1. A.
       and to
    2. B.
       but to
    3. C.
       only to
    4. D.
       so as to
17. 17.
    1. A.
       strength
    2. B.
       efforts
    3. C.
       courage
    4. D.
       work
18. 18.
    1. A.
       nervously
    2. B.
       anxiously
    3. C.
       madly
    4. D.
       silently
19. 19.
    1. A.
       So far
    2. B.
       From then on
    3. C.
       Once more
    4. D.
       Just then
20. 20.
    1. A.
       unavoidable
    2. B.
       poor
    3. C.
       hopeless
    4. D.
       challenging

在“探究花生果实大小的变异”活动中，某小组提出了以下四种测定花生果实大小的取样方法，其中最佳的方法是

1. A.
   在大花生中取30粒较大的，在小花生中取30粒较小的
2. B.
   在大花生中取1粒最大的，在小花生中取1粒最小的
3. C.
   在大、小两种花生中分别随机取1粒
4. D.
   在大、小两种花生中分别随机取30粒

完成句子

________ a ________ ________ (在某种程度上) drinking alcohol does harm to our health.