冀教版英语八年级下Lesson21_Books_or_Computers课件.pptVIP

Revision If you want to have a new line, you can press ____________(进入键). Check your answer with the _______(答案) at the back of the book. Our success d_______ on that everyone works hard. What do you h______ behind you? It’s time for class. We should e________ the classroom. I can’t find the k______ to my bike. Have you seen it? We should h_______ the medicine from kids. 1.appear(反义词)_______ 2.modern(反义词)______ 3.recent(副词)__________ 4.sell（反义词，过去式）____ ____ 5.invent(名词)_______6.pass on _______ 7.possible(副词)_______8.far(比较级)_______ 9. printing press_______ 10. 在古代____________ 11. 手工，用手__________ 12.写下______________ 13.阅读习惯____________ 14. 继续做某事________ 15. 无论什么 ______16.造纸_______________ 2.With paper,people began to write down their stories. 翻译___________.他用钢笔写字。 He writes _______ a pen.他用钢笔写了一封 He wrote a letter _______ ink. We travelled to Europe _____ air. 我们乘飞机去欧洲旅行。 Test 1.It only _____(take)him 20 minutes _____(drive) to his office every day. 2.It was also possible for common people _______(read) books. 3.Prices keep on ________(increase). 4.I can’t seed an e-mail.Would you please show me how _______(do)it? 5.Nowadays,people have many ways__________(read) books. * 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 Shengs 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 wha