Unit 2 Books could be produced more quickly and cheaply

课题module 4  great inventions unit 2 books could be produced more quickly and cheaply.

教  学  目  标德育目标：to research science and love science知识目标： to understand passages involving present perfect perfect tense能力目标：to learn a reading skill ----- scanning          to know the history about paper inventing

重点vocabulary create, produce, ink, against, knowledge, spread, introduction, receive,

难点phrasemade of, at a time, by hand, at the beginning of, in a way, rather than, one day

课型reading and writing

教法pwp approachteaching procedures:step i: revisionhave/has been + donethis book/ discuss/ on telephoneit/ buy/by thousands of peoplechildren/tell to read this bookthe book/ print/ again and againother books /write /about this book must/