Chapter1DogsPeopleoftensaythatadogisman'sbestfriend.Overthousandsofyears,manhastaughthisdogstodomanykindsofworkbesidesguardingthehome.Forexample,sheepdogsarefamousfortheirabilitytocontrolaflockofhundredsofsheep.Dogshavebeenusedtoaiddisabledpeopleforcenturies.Aguidedogcanleaditsblindowner.Nowadays,dogscanbetaughttoturnonlightswitches,openrefrigeratordoorsanddialthetelephonefortheirdisabledowners.Forthemajorityofpeople,however,dogsaresimplypetsandfriendsforbothyoungandoldmembersofthefamily.guard看守,看护sheepdog牧羊犬flock群aid帮助disabled残疾人century世纪guidedog导盲犬dial拨majority大多数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。Chapter2WhatisTime?(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,时间就是金钱。对我们大家来说,时间就是一切。因此,把握今天!1Chapter3ABarbecueWhenIwasachild,Ioncewentcampingwithmyfamilyinthesummer.Wedecidedtomakeabarbecueinthevalley.Sowecollectedsometreestickstomakeafire.MyfatheraskedmeifIcouldtrytomakeafire.Iwasgladtotakethejob.ThenItriedtosetfiretothewoodwithamatch,butproducedonlysmoke.Thenmyfathersaid,"That'snottherightway.I'llshowyouhowtodoit.Firstusethesmallpiecesofwoodbecausetheycatchfireeasily.Thenputthelargeronesontopofthem."Myfatherhelpedmemakeabigfire.barbecue烧烤valley山谷stick枝条makeafire生火烧烤当我还是小孩子的时候,一年夏天我们全家去野营。我们决定在山谷中烧烤,所以我们捡来了一些树枝生火。父亲问我愿不愿意尝试着生火,我很高兴地承担了这项任务。我试着用火柴把木头点燃,但结果都是烟。父亲说:“这样做不对。我来教你如何生火。先用小片的木头,因为它们容易点燃,然后把大些的放在它们上面。”父亲帮我点起了旺旺的火。Chapter4AnimalsinDangerSomeoftheanimalsandbirdsintherainforest,suchasmonkeysandwoodpeckers,liveinthetreetops.Theyarealwaysswingingandflyingfromonetreetoanotherlookingforfoodamongtheleavesandbranches.Theyevensleepinthetreetopssotheydonothavetocomedowntotheground.Haveyouheardthatsuchanimalsandbirdsintherainforestsareindanger?Becausepeoplearecuttingdownsomanytreesintheforests,theanimalsarelosingtheirhomes.Doyouknowthereasonsforit?Yes,peoplewantwood,paperandland.Asaresultmanyanimalsandplantsaredying.Someforestsaresobadlydamagedthattheybecomedeserts.rainforest雨林woodpecker啄木鸟treetop树顶swing摇荡leaves树叶(leaf的复数形式)branch树枝desert沙漠濒危动物一些雨林中的动物和鸟类生活在树顶上,例如猴子和啄木鸟。它们总是从一棵树荡到或飞到另一棵树上,在树叶和树枝间寻找食物。它们甚至在树顶睡觉,所以它们不用到地面上来。你知道吗,雨林中的这些动物正处于危险中。因为人们砍伐了森林中的许多树,动物们失去了家园。你知道人们砍树的原因吗?是的,人们需要木材、纸和土地。所以,许多动物和植物正在消亡。一些森林遭到了严重的破坏,变成了沙漠。2Chapter5EnglishintheWorldSomepeoplesa...