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PEPUNIT2ALet’slearnbyshiptaxibustrainplanesubwaybyonfoottaxibustrainplaneshipsubwayslowdownslowdownstop乘…轮船出租车公共汽车火车飞机地铁慢的步行减少，降低停止慢下来byonfoottaxibustrainplaneshipsubwayslowdownslowdownstop乘…轮船出租车公共汽车火车飞机地铁慢的步行减少，降低停止慢下来Iamabird.Icanfly.I’mbigandhard.Idon’teat.WhatamI?猜猜我是谁？Iliveinthesea.Icanswimveryfast.ButI’mnotafish.I’matraffictool.WhatamI?猜猜我是谁？HOMEIfyou’reBlueCat,howdoyoucometoschool?Mike:Goodmorning,MrsSmith!MrsSmith:Hi,children.You’reearly.Howdoyoucometoschool?Amy:Usually,Icomeonfoot.SometimesIcomebybus.Mike:Ioftencomebybike.Amy:Howdoyoucometoschool,MrsSmith?Bycar?MrsSmith:Sometimes,ButIusuallywalk.Mike:That’sgoodexercise.Homework1.Copyeachphrases5times.2.Let’schant.