人教新课标高中英语必修（二）－Unit3 Computers Period 课件 (共18张PPT).ppt

Period 1 Getting ready Reading (I) Culture corner Module 2 Science and technology Oxford English Unit 3 Computers Getting ready 1 Look at the cartoon and answer the questions. ● ● something that gets into a program and harms it software ● ● a collection of information on a computer that is stored under a particular name hardware ● ● virus ● ● the sets of programs that you put into a computer when you want it to do particular jobs multimedia ● ● a computer’s monitor, keyboard, drives, etc. file ● ● personal computer PC ● ● two or more computers linked together network ● ● a mixture of sound, pictures, film, and writing to give information, especially with computers Match the words in column A with the definitions in column B. ATM automated teller machine More about computers 2 A B ￥12,000 ￥3,600 Brainstorm Computer type calculate 1 The _________ shows words and pictures. 2 We use the _________ for typing. 3 The “brain” of a computer is in the ___________. 4 We move the _________ to control the computer. 5 We hear sound from the __________. How much do you know about computers? Look at the photo below and complete the sentences with the correct names. Look at the pictures, the title and the sub-headings of the article on page 35. Then tick (?) the facts that the article probably talks about. 1 Computers are getting smaller and better. 2 Computers can do important jobs like flying planes. 3 Computers may work as doctors. 4 Computers are expensive. Before you read 3 A sub-heading usually tells us the topic of the paragraph(s) below it. sub-headings Look at the pictures, the title and the sub-headings of the article on page 35. Then tick (?) the facts that the article probably talks about. ? ? ? 1 Computers are getting smaller and better. 2 Computers can do important jobs like flying planes. 3 Computers may work as doctors. 4 Computers are expensive. Smaller and better In the 1940s, the first computers w