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1、 Lesson 21 How Can We Go to Beijing?教师：陈霜惠教师：陈霜惠.Review the words about numbers and the new structures.Teach the new lessons.Practices.Homework.Review the numbers onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteenthirtytwentyfortyfiftysixtyseve
2、ntyeightyninetyhundredthousand230398469277two hundred and thirtyThree hundred and ninety-eightFour thousand six hundred and Ninety-twoSeventy-sevenHow far is it from China to Australia?Its about eight thousand five hundred Kilometres.How far is it from China to the U.S.?Its about twelve thousand nin
3、e hundred Kilometres.planetrainbusA plane is faster than a train.A train is slower than a plan.fastfasterslowerslowA train is faster than a bus.A bus is slower than a train.practiceA train is faster than a bus.A plane is faster than a train.A bus is slower than a train.A train is slower than a plane
4、.A train is faster than a bus but slower than a plane.tall tallershort shorterbigbiggersmallsmallerlonglongerThe boy is taller thanthe girl.The girl is shorter than the boy.One is longer thananother one.The red one issmaller than the White one.The white one isbigger than the red one.1.lets=let us2.by plane=take a plane3.by bus=take a bus4.by train=take a train5.want to doBye-bye