2018--2019学年人教版选修七Unit 4 Sharing learning about language课时作业(9)
2018--2019学年人教版选修七Unit 4 Sharing learning about language课时作业(9)第2页

10. A. height B. weight C. strength D. equipment

11. A. Finally B. Patiently C. Surely D. Quickly

12. A. stand back B. take a rest C. make a decision D. hold on

13. A. jumped B. fell C. escaped D. backed

14. A. managed B. planned C. waited D. hoped

15. A. run B. skate C. move D. march

16. A. around B. away C. above D. along

17. A. headed for B. traveled to C. left for D. returned to

18. A. dead B. hurt C. weak D. late

19. A. secretly B. tiredly C. immediately D. anxiously

20. A. find B. believe C. make D. accept

答案

1. C 2. A 3. D 4. B 5. D 6. C 7. D 8. A 9. D 10. B 11. A 12. C 13. B 14. A 15. C 16. B 17. D 18. A 19. C 20. B 

第二节 阅读理解

  Languages have been coming and going for thousands of years, but in recent times there has been less coming and a lot more going. When the world was still populated by hunter-gatherers, small, tightly knit(联系)groups developed their own patterns of speech independent of each other. Some language experts believe that 10, 000 years ago, when the world had just five to ten million people, they spoke perhaps 12, 000 languages between them.

  Soon afterwards, many of those people started settling down to become farmers, and their languages too became more settled and fewer in number. In recent centuries, trade, industrialisation, the development of the nation-state and the spread of universal compulsory education, especially globalisation and better communications in the past few decades, all have caused many languages to disappear, and dominant languages such as English, Spanish and Chinese are increasingly taking over.

At present, the world has about 6, 800 languages. The distribution of these languages is hugely uneven. The general rule is that mild zones have relatively few