【正文】
sit under the tree。 field again。 cook。 a rabbit by his side。 sleep under a tree。 go to his field。 robots are helping make tall buildings。 Some robots go into volcanoes(火山 ) where people can not go. . Today ,robots are helping doctors。Lesson 34 scientist invent invented inventor invention be useful Chinese people have four inventions. They are paper , printing(印刷術(shù) ),powder(火藥 ) and pass(指南針 ). Who_____________ paper? Who_____________ printing? I think they are all _________. invented invented useful robots Discuss the following questions: can robots do ? are they useful ? Robots do all kinds of work for people. Some robots can paint(油漆 ) cars, because the paint(漆 ) is dangerous for people. Some robots can be used(被用來 ) under the sea to find ships。 Some robots are used in space(太空 )。 robots are helping to make highways。 robots are helping people cut(割 ) grass. They are very useful. is Mr Mott’s wife. Mott invented the memory robot because Susan had a bad memory. √ Do yes and no questions: memory robot followed Mr Mott just at night. memory robot sometimes knew Mr Mott’s questions. liked to ask the robot questions, too. √ all the time always Do yes and no questions: does Mrs. Mott do? did she invent last year? 3Did the memory robot help Mr. Mott a lot? 4What did the memory robot do with Mr. M