下学期 Unit 20 Mainly revision

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　　Finish the exercises in the workbook.
Step 9 Exercises
　　1 .The ________ _________ _______ (印刷的发明)is very important in history.
　　2. It s said that another new coal mine ________ _______ ______(据报道)in the north.
　　3. I enjoy the animal __________ _______ _________ _________ (刻在石头上的)by him.
　　4. Don't ________ _________ (乱扔) waste paper here and there. Keep the room clean, please.
　　5.Will _________ _________ ________ (花我们时间)an hour to finish the work?
　　6. In fact, paper was ______ _____ ______ ________ ________ (四大发明之一) in ancient China.
　　7. It is believed that ______ _____ ______ ________ _______  ______ _____ （已经建立起许多现化工厂） in Chengdu in the past few years.
　　8. ____ ______ ______ (据报道) that at least a score of buildings were damaged or destroyed .
　　9. ________ ________ __________ (问题是) that we don't know his address for the time being.
　　10. He made a living ________ ________ _________ (通过卖报纸).

参考答案
　　1.invention, of, printing　　6. one, of. Four, Great, Inventions
　　2. has, been, discovered　　　7. many modem factories have been set up
　　3. carved, on, the, stones　　8. It is reported
　　4. throw, away　　　　　　　　9. The problem is
　　5. it, lake, us  　　　　　　　10. by selling newspaper.

 

《下学期 Unit 20 Mainly revision(第3页)》