* 《Lesson 21： Books or Computers》 Lead in: Do you know the Four Great Old Chinese Inventions?(中国古代四大发明) If you know, please tell us what they are . compass gunpowder printing paper 毕昇 蔡伦 Find out : Compass,gunpowder,printing and paper are the Four Great Inventions in Ancient China. Compass can make a boat go in its correct direction. Gunpowder can be uesd not only in gun(枪) but aslo in firework(烟火). Because of Bi Sheng's way of printing , we can have more and more books to read. With the help of Cai Lun , we can use paper to write what we think and what we see in the wonderful world . Let's feel proud of CHINESE! Self--learning: Read the lesson and put these sentences into the correct order. Task 1: Fill in the new words. Task 2: Find out the key phrases. 1.pass on ...by ... 2.the printing press 3.change one's reading habbit 4.keep on (doing) sth. 5.download sth.from the Internet 从网上下载...... 反义:upload sth. to the Internet 将......上传到网上 * 6. have many ways to do sth. 7. no matter what/how /when... 8. a new kind of book 9. an e-reader 10. sell sth. online 11. print books 12. by hand * Task 3 : Find out the key sentences . 1.It took a long time to write a book. It takes sb. some time to do sth. =sb. spend some time on sth. / doing sth. = sb. need some time to do sth. eg. It takes me 30 minutes to walk to school every day. * 2. The modern printing pressing makes it possible to print books quickly. sth./sb. make +it +adj. + 动词不定时 ：某人 或某物使干某事变得...... eg. E-books can make it easier and faster for common people to read more books. 3. With e-books,Information travels faster and farther. travel faster and farther: 传播（旅行）得更 快更远 eg. A plane can travel / go faster and farther than a bus. * 4. No matter what you have , keep on reading ! No matter +what /how /when...+ 主句 ：无论什么/怎样/何时，...... eg.(1) No matter where you go, I will go with you ! (2) No matter how you do it ,I will agree with you! keep on doing sth. 继续干某事 eg. Keep on reading , you'll remember ! * 5.It is +adj. +for sb. +to do sth.对某人来说干….怎么样？ Choose the best one. 1.In ancient time, people passed___their knowledge ___telling stories. A. to /with B. by/ by C. on/ by D. on/with 2.____paper,it is possible for people____ down their ideals. A. On/write B.With/to write C. With/writing D.By /to write 3.Light _____than sound. A. go faster B. travel faster C. goes fast D. travels faster 4. I_____ 2 hours_____my homework last night. A.spend/on B.spent / in C.took/ to do D.spent /doing 一句多译： 我每天花一小时做运动。 I _____an hour _____sports every day. = It _____me an hour_____spotrs every day. = I need___hour _____sports every day. 现在人们有许多读书的好方法。 Now people have many good ways to_____ books. =Now people have many good ways of_____ books. Thank you
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