《Lesson 22》.pptxVIP

Lesson 22;长度单位;What was one way that people used to measure things? The size of their king’s hand or foot. 2. Did every one measure time the same way? No, they didn’t. 3. When did the French start to use metres? About 1748 4. What do centi and kilo mean? Kilo means a thousand of something and centi means one tenth of something. 5. Why do you think people didn’t like ten-hour days or ten-day weeks?;;;;2.1;Forty three one hundred and ninety ninth two thoudand seven hundred and sixty two fifteen thousand one hundred and twenty thoussand two hundred and first two hundred and twenty two thousand three hundred and thirty four four million ten thousand three hundred and seventy six Sixty seven million three hundred and sixty thousand seven hundredand forty first;Reading: For over a quarter of century, scientists have been making better and better computers. Now a computer can do a lot of everyday jobs wonderfully. It is widely used in factories, hospitals and banks. A computer can report, decide and control in almost every field. Many scientists are now thinking of making the computer “think” like a man with the help of a person, a computer can draw pictures, write music, talk with people, translate languages and so on. Perhaps computers will one day really think and feel. Someone thinks that people will be afraid when they find that the computer is too clever to listen to work for them.;Question: