2019学年度人教版必修四Unit 2 SectionⅢLearning about language 课时作业

　　Ⅰ.单词拼写

　　1．The importance of protecting the forest has been __underlined__ (强调)again and again，but people there are still cutting down trees.

　　2．Soil should be improved by adding __organic__ (有机的)fertilizer.

　　3．The new model will go into __production__ (生产)next year.

　　4．He __skims__ (浏览)the newspaper before going to work every day.

　　5．The __discovery__ (发现)of new oilfields brought the price up.

　　6．The only way to do that is to __reduce__ (减少)expenses.

　　7．When food goes bad，there are some __chemical__ (化学的)reactions taking place.

　　8．I prefer __mineral__ (矿物质)water to distilled water(蒸馏水).

　　9．In order to keep your body healthy，you should take the advice on diet and __nutrition__ (营养).

　　10．After you have read the article，I would like you to write a __summary__ (总结).

　　Ⅱ.选词填空

　　1．With the pressure __building up__，she was off work for weeks because she could't stand it any more.

　　2．-Can you give some explanation about the accident caused by the son of the famous man yesterday？

　　-__comment__ ！

　　3．He has __regretted__ refusing their offer to work abroad.

　　4．He said that he __preferred__ swimming to skating.

5．__In summary__，the little tramp is homeless，poor but optimistic，kind.