1、1Chapter1DogsPeopleoftensaythatadogismansbestfriend.Overthoussofyearsmanhastaughthisdogstodomanykindsofwkbesidesguardingthehome.Fexamplesheepdogsarefamousftheirabilitytocontrolaflockofhundredsofsheep.Dogshavebeenusedtoai

2、ddisabledpeoplefcenturies.Aguidedogcanleaditsblindowner.Nowadaysdogscanbetaughttoturnonlightswitchesopenrefrigeratdosdialthetelephoneftheirdisabledowners.Fthemajityofpeoplehoweverdogsaresimplypetsfriendsfbothyoungoldmemb

3、ersofthefamily.guard看守，看護(hù)sheepdog牧羊犬flock群aid幫助disabled殘疾人century世紀(jì)guidedog導(dǎo)盲犬dial撥majity大多數(shù)狗人們總是說(shuō)狗是人類最好的朋友。幾千年來(lái)，除了看家外，人類還教會(huì)了狗去做許多其他的事，例如，牧羊犬就因其可以控制數(shù)百只羊的羊群而出名。狗用來(lái)幫助殘疾人已有好幾個(gè)世紀(jì)了。導(dǎo)盲犬可以為盲主人引路。現(xiàn)在，人們還教狗為殘疾主人打開電燈、開冰箱和撥電話。然而，對(duì)于大

4、多數(shù)人來(lái)說(shuō)，狗只是家里老人和孩子們的寵物和朋友。3Chapter3ABarbecueWhenIwasachildIoncewentcampingwithmyfamilyinthesummer.Wedecidedtomakeabarbecueinthevalley.Sowecollectedsometreestickstomakeafire.MyfatheraskedmeifIcouldtrytomakeafire.Iwasgladtot

5、akethejob.ThenItriedtosetfiretothewoodwithamatchbutproducedonlysmoke.Thenmyfathersaid“Thatsnottherightway.Illshowyouhowtodoit.Firstusethesmallpiecesofwoodbecausetheycatchfireeasily.Thenputthelargeronesontopofthem.“Myfath