1DogsPeopleoftensaythatadogisman'sbestfriend.Overthousandsofyears,manhastaughthisdogstodomanykindsofworkbesidesguardingthehome.Forexample,sheepdogsarefamousfortheirabilitytocontrolaflockofhundredsofsheep.Dogshavebeenusedtoaiddisabledpeopleforcenturies.Aguidedogcanleaditsblindowner.Nowadays,dogscanbetaughttoturnonlightswitches,openrefrigeratordoorsanddialthetelephonefortheirdisabledowners.Forthemajorityofpeople,however,dogsaresimplypetsandfriendsforbothyoungandoldmembersofthefamily.guard看守，看护disabled残疾人majority大多数sheepdog牧羊犬century世纪flock群aid帮助dial拨guidedog导盲犬狗人们总是说狗是人类最好的朋友。几千年来，除了看家外，人类还教会了狗去做许多其他的事，例如，牧羊犬就因其可以控制数百只羊的羊群而出名。狗用来帮助残疾人已有好几个世纪了。导盲犬可以为盲主人引路。现在，人们还教狗为残疾主人打开电灯、开冰箱和拨电话。然而，对于大多数人来说，狗只是家里老人和孩子们的宠物和朋友。2DetectiveWorkAbankrobberstolealotofmoney.Hewascaughtandsenttoprison,butthemoneywasneverfound.Whenhecameoutofprison,theywatchedhimtoseewhathewoulddo.Hereisthedetective,reportingtotheinspector."Yes,sir,IfoundJohnny.Ifollowedhimallaroundthetown,butfrankly,Icouldn'tmakeanythingoutofwhathebought.Here'sthelist."shirt,heavycrowbar,boxofchocolates,shovel,heavyhammer,bunchofflowers.Theinspectorsaid,"Good.Thathelpsmealot.Doyourememberhowwewatchedhimhelpinghisneighbour,oldMrs.Judsontocoverherbackyardwithcement?detective侦探的侦探inspector检察官棒shovel铲，铁铲cement水泥robber强盗，盗贼frankly坦白地，真诚地prison监狱crowbar铁撬，撬hammer铁锤，锤子backyard后院侦探工作一个盗贼从银行偷了很多钱。他被抓住送到监狱，但是钱没找到。当他从监狱出来时，他被监视，看他会做什么。这不，侦探正向检察官报告：“是的，先生，我发现了强尼•阿米塔基，我跟着他转遍了全镇，但坦白说，我不能从他买的东西中推断出什么。这里是清单。衬衫、大铁撬、一盒巧克力铁铲、大铁锤、一束花。”检察官说：“好，这对我很有帮助。你还记得我们看到他是怎么帮他的邻居，贾德森老太太用水泥铺院子的吗？”3WhatisTime?（NurseryRhyme）Timeisgrainforpeasants.Timeiswealthforworkers.Timeislifefordoctors.Timeisvictoryforsoldiers.Timeisknowledgeforstudents.Timeisspeedforscientists.Timeismoneyforbusinessmen.Timeiseverythingforallofus.Therefore,seizethetimeoftoday!grain粮食wealth财富victory胜利seize抓住，把握时间是什么（童谣一首）对农民来说，时间就是粮食。对工人来说，时间就是财富。对医生来说，时间就是生命。对士兵来说，时间就是胜利。对学生来说，时间就是知识。对科学家来说，时间就是速度。对企业家来说，时间就