I. Words and expressions: Unit 20 Revision Lesson 77 Dialogue I. Words and expressions: 发展；养成；拓展详述；培养； 开发；冲洗 develop 2.print 3.record 4. character 5. brush 6. press 7. method 印刷；出版；刊载；印迹；印刷物 记录；录音；履历；档案；唱片 字符；人物；性格；品质；性质 刷；掸；拂；刷子；毛笔；画笔 压；按；挤 8. carve 刻；雕刻 方法

II. Listen to the tape and repeat III. Read the dialogue and then answer the following questions with books closed. 1.What are Susan and Mrs. Zhu talking about? 2. How did Chinese people record information before printing was invented? 3. How did people use rocks for printing? 4. How did people use wood for printing? 5. What was the problem with using wood for printing?

1.What are Susan and Mrs. Zhu talking about? the development of printing in China 2. How did Chinese people record information before printing was invented? used to carve characters on stones to record important dates in history 3. How did people use rocks for printing? carve…on rocks; put a sheet of wet …on… beat it lightly; brush ink on the paper

4. How did people use wood for printing? carve a whole page of …back-to-front in the… brush …into the characters press … on top print a whole page of a book 5. What was the problem with using wood for printing? take a long time to carve a page throw away the carved piece of wood after printing the book

IV. Language points: develop developing developed development ---Plants develop from seeds. ---He has developed the habit of making notes while reading. ---I’d like to develop this idea a little more fully before I go on to my next point. ---I think these photos will look nice when they are developed. ---We must develop all the natural resources in our country to make us rich.

---With the development of modern agriculture and industry , more and more waste is produced. 2. print v.&n. printing a footprint ---The bottom line on this page hasn’t been properly printed . ---All today’s newspapers have printed the minister’s speech in full. Do you know when ____ man invented ____ printing? A. the; / B. /; the C. the; the D. / ; / publish 出版；刊印；公布；发表

3.character I find all the characters in his new play very real and interesting. He has a strong but gentle character. He is quite a character. They are different in character. 4. in history in the history of… 5. But later, people developed a way of printing, using rocks.

6. on top of the characters at/on (the) top of the mountain at the top of the page a glass of milk with cream on top on top of the world at the top of one’s voice 7. How did the printing come out? The magazine comes out once a month. The truth has come out at last. Who came out first in the competition? These ink marks won’t come out.

It came out that she had been stealing from her friend. The answer came out wrong. 8. Press Press the button to start the engine. press a suit/skirt etc. I don’t like shoes that press. He pressed his way through the crowd. Time presses. We’re pressed for time /money.

9. What was the problem with this method? 10. throw away throw away a chance throw off :take off in a hurry Homework 1. Read the dialogue again and again. 2. Do Ex.2 on P74