高中英語-p2-warming-up-and-reading課件-新人教版必修2

1、Unit 3 computers第一頁，編輯于星期五：十一點(diǎn) 三十八分。keyboardmousemonitorscreenspeaker host computer第二頁，編輯于星期五：十一點(diǎn) 三十八分。1. use computer for school work2. play games on the computer3. send emails to friends4. surf the Web for fun5. download music and films6. chat online7. search for information 8. look at photographs

2、9. do shopping online How can we use the computers and the Internet?第三頁，編輯于星期五：十一點(diǎn) 三十八分。How useful computers are!第四頁，編輯于星期五：十一點(diǎn) 三十八分。Guess! A toy?A handbag?Computers第五頁，編輯于星期五：十一點(diǎn) 三十八分。Task 1 Skimming1. Who is the speaker in this story? A computer.2. Whats the general idea of the passage?The passage

3、 is mainly about the history And development of computers. 第六頁，編輯于星期五：十一點(diǎn) 三十八分。Computers connect people _ togetherNow Computers were brought into _1970sThe first family of computers connected to each other _ The computer had grown _1940sAlan Turing wrote a book to describe _1936The Analytical Machin

4、e was built by Charles Babbage_The computer began as a _1642 a calculating machine1822 how computers could be made1960s peoples homes all over the world The history of computers as large as a roomscanning第七頁，編輯于星期五：十一點(diǎn) 三十八分。Read Para1 and find the topic sentence 1.Topic sentence Over time I have bee

5、n changed quite a lot 2.supporting details calculating machine analytical machine universal machine PC laptopcareful reading第八頁，編輯于星期五：十一點(diǎn) 三十八分。Read Para2 and find the topic sentence1.Topic sentence These changes only become possible as my memory improved 2.Supporting details tubes transistors small

6、 chips network WWW第九頁，編輯于星期五：十一點(diǎn) 三十八分。Read Para 3 and topic sentence1.topic sentence Since the 1970s many new applications have been found for me. 2.Supporting details communications finance trade robots make mobile phones madical operations space rockets explore the Moon and Mars providing a life o

7、f high quality 第十頁，編輯于星期五：十一點(diǎn) 三十八分。Improvement Mini-Writing 現(xiàn)在，電腦在我們?nèi)粘Ｉ钪邪l(fā)揮著越來越重要的作用，請你運(yùn)用本節(jié)所學(xué)重要語言知識并根據(jù)提示寫一篇80字左右的短文。 提示： 借助電腦能處理很多事情，如聽音樂、看比賽、 發(fā)e-mails等。 有些學(xué)生癡迷于上網(wǎng)，以致于厭煩了學(xué)習(xí)，有些 甚至因此走上犯罪道路。 就你個(gè)人而言，談?wù)勀銓φ_使用電腦的看法。第十一頁，編輯于星期五：十一點(diǎn) 三十八分。One possible vesion Nowadays, the computer is playing a more and more

8、important part in our daily life. With the help of the computer, we can deal with many things, such as listening to music, watching matches and sending e-mails.However, some students are so crazy about surfing the Internet that they get tired of study.Even some students break the law as a result of that. Personally, I am n