冀教版八年级下册Unit 4 The Internet Connects Us Lesson 21 Books or Computers?课件(共34张PPT)

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(共34张PPT)
Lesson 21: Open Books or Computers
Unit 4 The Internet Connects Us
单词：press; appear; modern; electronic; sell
短语：pass on; by hand; printing press; keep on
句子：(1) In ancient times, there were no books, and people passed on their knowledge by telling stories.
(2) It was also possible for c...