对甲、乙两个地区连续8天的气温统计如下表．（单位：℃）
（2）乙地这8天气温的众数是多少？平均数呢？分别表示什么？ （3）哪个地区的一组数据的众数更具有代表性？ |
（1）31度出现了4次，出现的次数最多，所有甲地区气温的众数是31；
（32+31+31+30+32+31+30+31）÷8
=249÷8
=31.125（摄氏度）
答：甲地这8天气温的众数是31，平均数31.125，表示甲地区的气温出现31度的时候较多，这8天平均每天的气温是31.125度．
（2）24度出现了2次，出现的次数最多，所有甲地区气温的众数是24；
（22+24+24+20+18+19+17+16）÷8
=160÷8
=20（摄氏度）
答：乙地这8天气温的众数是24，平均数20，表示乙地区的气温出现24度的时候较多，这8天平均每天的气温是20度；
（3）甲地区的众数更具代表性，因为在8天中，有4天的温度是31度，且其余4天的温度也都在31度左右．
| 阅读理解。 |
| Once there was a clever farmer. Though he was poor, he decided one day to take the king a roast goose (烤鹅) as a present. He had not had 1 to eat that day, and soon the 2 of the roast goose became too much for him as (当…时) he 3 it to the king, so he ate one of its legs. When he came before the king and gave him the goose, the king 4 saw that it had only one leg. Now, the king 5 was born with one bad leg, so he had never been able to 6 properly (正常地). When he saw the goose with only one leg, he thought the farmer had 7 this to laugh at him. Of course he was very 8 . The farmer was told that if anybody laughed at the king, he would be 9 at once. "Where is 10 leg of the goose?" the king asked. "All the geese (goose的复数) in this 11 of the country have one leg only," the farmer answered. "Do you think I'm a fool (傻子)?" the king shouted. " 12 ," said the farmer, "if you look out of the window, you will see geese with one leg by the 13 ." The king looked, and there the geese were 14 on one leg beside the water. The king at once told one of his men to 15 them with a big stick, and of course, they 16 their other legs and ran away. "There," said the king. "You were lying (说谎). That 17 that the geese here have two legs, like all other 18 in the country." "But it doesn't show anything," answered the farmer, "if your men threw a big stick like that at me, I would grow two 19 legs myself to help me to run away 20 ." |
| ( )1. A. less ( )2. A. head ( )3. A. returned ( )4. A. at once ( )5. A. once ( )6. A. come ( )7. A. kept ( )8. A. sorry ( )9. A. helped ( )10. A. other ( )11. A. city ( )12. A. Certainly not ( )13. A. hole ( )14. A. swimming ( )15. A. fill ( )16. A. sent up ( )17. A. shows ( )18. A. geese ( )19. A. slower ( )20. A. more slowly | B. all B. neck B. carried B. at last B. really B. walk B. done B. worried B. killed B. another B. village B. Of course B. forest B. resting B. lock B. put down B. talks B. animals B. faster B. more carefully | C. little C. smell C. sent C. by then C. himself C. see C. made C. sad C. saved C. that C. farm C. That's nothing C. lake C. flying C. hit C. did with C. sees C. legs C. less C. faster | D. much D. temperature D. handed D. on time D. yet D. eat D. found D. angry D.covered D. the other D. part D. Never mind D. house D. lying D. keep D. moved away D. knows D. farmers D. more D. Earlier |