情景预学
May: Hi, Tom. What are you doing?
Tom: Hello. I'm reading a book about inventions.
May: Well, I'm also interested in invention. Can you point out Four Great Inventions of Ancient China?
Tom: It's a piece of cake. They are gunpowder, paper-making, compass and printing.

May: Great. Can you figure out some foreign inventors?
Tom: I know Edison.
May: Do you know what he invented?
Tom: He invented many things, such as lamps, telegraphic machine, gramophone.
May: Wow. How great he is!
Tom: Yes. He invented more than 1,300 inventions.
May: By the way, among Edison's inventions, which one do you like best?
Tom: I like films that he invented. People can lively appear in the screen. What about you?
May: I like his electric bulb. It's so useful. Can you imagine how dark our night life is without it?
Tom: You are right.
小试牛刀
Q1: What is Tom doing?______
Q2: What kind of Edison's invention does Tom like best?______

1. He is reading a book about inventions. 2. Films.