高中英语 Unit3 SectionⅠWarming Up & Reading Preparing精品课件 新人教版必修2 课件VIP专享VIP免费

Section Ⅰ Warming Up & Reading －Preparing预习多维感知Section Ⅰ预习多维感知► Step One ： Ask and DiscussionLook at the following pictures and then complete the dialogue.1 ．— What’s this?—It’s an____________.It is an old calculating machine used in China until now.答案： abacus2 ．— What’s this?—It’s a____________.It is a new calculating machine which can solve a large number of mathematical problems.答案： calculator3 ．— What’s this?—It’s a__________.It is a personal computer which can solve all kinds of problems and is widely used now.答案： PC4 ．— What’s this?—It’s a__________.It is a kind of useful computer which can be taken conveniently like a notebook.答案： laptop► Step Two ： Fast ReadingScan the text and then choose the best answer according to the text.1 ． Who am “I” according to the text?A ． An operator. B ． A robot.C ． A computer. D ． An inventor.答案： C2 ． Why is Alan Turing called the real father of the computer?A ． He invented the computer.B ． He made the computer smaller.C ． He made the computer widely used.D ． He wrote a book about the computer.答案： D3 ． Why did the computer completely change its shape?A ． Because it could do many things.B ． Because its memory greatly improved.C ． Because it could simplify sums.D ． Because it never forgot things.答案： B4 ． When were the computers connected to one another?A ． In early 1960s.B ． In the 1970s.C ． In the 1940s.D ． In the year of 1936.答案： A5 ． What can we learn from the text?A ． The computer will take the place of human beings.B ． The computer will be smarter than human beings.C ． The computer will be a disaster for human beings.D ． The computer will be used in many ...