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1、Unit1Howoftendoyouexercise?【重要词汇概览】♦everadv.曾经♦onceadv.一次twiceadv.两次♦internetn.互联网■programn.节目单，（电脑）程序♦hilltopn.山顶resultn.结果，成果♦keyn.提醒，提示，线索，答案translateV.翻译♦songn.歌曲■junkn.垃圾，破烂物，废弃的IH物milkn.牛奶♦interviewern.采访者habitn.习惯，习性♦differencen.不同，差异，区别♦graden.
2、分数，成绩，年级♦althoughconj.虽然，即使，纵然■unhealthyadj.不健康的，不益健康的skateboardingn.溜滑板运动【重要词组概览】♦howoften多久一次asfor至于，关于junkfood垃圾食品♦eatinghabit饮食习惯♦ofcourse当飒■lookafter照顾，照看startwith以……开始makeadifference使得结果不同，有重要性goshopping去购物♦haveaparty聚会♦gotothemovie去看电影♦onceaweek
3、每周一次♦hardlyever很少twiceaweek每周两次♦threetimesaweek每周三次watchTV看电视onweekend在周末dohomework做作业♦alotof许多♦trytodo试图（努力）做某事♦helpsb(to)dosth.帮助某人做某事thesameas和……相同♦keepingoodhealth保持身体健康【语法知识聚焦】一般现在时TheSimplePresentTense一般现在时表示现在的状态Heistwelve.他十二岁°Theyareathome.他们
4、在家。表示经常性或习惯性的动作Igotoschoolatseveneveryday.HeplayssocceronSundays.表示主语具备的性格和能力等Shelikesapples・TheyspeakJapanese・Sheismediumbuild.肯定式Iamacleaner・Youareright.He/She/Itishere.We/You/Theyareoutgoing否定式Iamnota...Youarenot...He/She/Itisnot…We/You/Theyarenot…否
5、定式和疑问式1)Wegotoschoolatseveneveryday.Wedon'tgotoschoolatseven.Doyougotoschoolatseven?Yes,wedo.(No,wedont)2)Hegoestoschoolatseveneveryday.Hedoesiftgotoschoolatseven.Doeshegotoschoolatseven?Yes,hedoes.(No,hedoesnt)一般现在时常和表示时间频度的副词连用。如：often,usually,someti
6、mes,always,never,hardlyever等。[.Ioftenreadbooksintheevening2.Dotheyusuallygotoschoolbybike?3.Hedoesn'tlikemilk.Heneverdrinksit.4.Sometimesmymothergetsbackatfive・一般现在时常和以下时间表达法连用。如：inthemorning,intheafternoon,intheevening,atnoon,atnight,everyday,onSunday
7、(s),atseven等。Dotheyhavemathinthemorning?Shesleepsninehourseverynight.Ittakesmetwohourstodomyhomeworkeveryday.Theydon^thaveclassesonSundays・动词第三人称单数的构成：1.直接加look一looksread一readsplay一playsstop一stops2.在字母s,x,ch,sh,o后加・・esmiss—missesfix—fixeswatch一watchesw
8、ash一washesgo—goesdo—does3.辅音字母加y结尾的动词去y为i,再加・・escarry一carriesstudy一studieshurry一hurriescry一cries4•特殊的have一hasUnit2Whafsthematter?♦mattern.事情，问题，差错♦armn.臂，胳膊♦backn.后背，背脊♦earn.耳朵♦eyen.眼睛♦footn.脚，足（pl.feet）♦legn.腿，腿部♦neckn.脖子，颈部♦nosen.鼻子♦s
