unit2重点单词词组解析

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1、Unit2重点单词，词组解析重点单词[词条1]compete[课文原句]HowmanycountriescompetedintheancientOlympicGames?(Page9)[点拨]compete意为“竞争，比赛”，后常跟介词with，against，for等。例如：①Allcompaniesshouldcompetefairlyandcan’tmakeanyillegaldeal.②Inthisgamethewomenwillcompetewiththemenforthegoldmedal.③Tensingerswil

2、lcompeteinthefinalforthechampion.[拓展]●compete的名词形式有两个，一个为competition，它作“竞争”讲时为不可数名词，作“比赛”讲时为可数名词；一个为competitor,意为“竞争者，对手；参赛者”。例如：①Marywasincompetitionwith10otherapplicantsforthepost.②Therewillbeaswimmingcompetitioninourschoolnextweek;doyouwanttotakepartinit?③Whodoyouc

3、onsidertobeourmaincompetitor?●compete的形容词形式为competitive，意为“竞争的；有竞争性的”。例如：Weneedtoworkhardertokeepcompetitiveinthemarket.[词条2]replace[课文原句]Soeventheolivewreathhasbeenreplaced!(Page10)[点拨]replace在此意为“取代，代替”，相当于taketheplaceof。例如：There’snothingthatcanreplaceamother’slove.

4、[拓展]replace还可意为“（用……）替换，（以……）接替；更换，更新；把……放回原处”。例如：①MarkwillbereplacedbyMarywhileheisnotatthecompanynextmonth.②Alltheoldfurnitureinthehouseneedstobereplaced.③Hereplacedthebookontheshelfafterfinishingreadingit.[词条3]advertise[课文原句]Nowyouareaskedtomakeapostertoadvertiseas

5、portingevent.(Page13)[点拨]advertise在此为及物动词，意为“为……登广告”。例如：Companiesmayadvertisetheirproductsbymeansofnewspapers,magazinesandtelevisions.[拓展]●advertise还可作不及物动词，意为“登广告征求（寻找）”，常和for连用。例如：①Headvertisedforhismissingdog.②Thisfactoryadvertisesforworkers.Youcangoandseeifyou’ref

6、itthere.●advertise的名词形式为advertisement，为可数名词。例如：Ifyouwanttosellyourthings,youcanputanadvertisementinthenewspaper.[词条4]deserve[课文原句]DoyouthinkHippomenesdeservedtowintherace?(Page15)[点拨]deserve意为“应受，值得”，不能用于进行时。后接名词或动词不定式。例如：①Hedeservedthepraise.②Theydeservedtobewelltrea

7、ted.[拓展]deserve的过去分词deserved可用作表语和定语。例如：①Ithinkhisgloryisdeserved.②Itisjustadeservedpunishmentforhim.重点词组[词条1]aswell[课文原句]ForeachOlympics,aspecialvillageisbuiltforthemtolivein,amainreceptionbuilding,severalstadiumsforcompetitions,andagymnasiumaswell.[点拨]aswell意为“也，还”的

8、意思。又如：It’sbeenagreatgriefforheraswell.[拓展]●辨析too，aswell，also，either：too用于肯定句，放在句末，其前常用逗号分开；aswell用于肯定句，通常位于句尾，表强调时可位于句中，通常不用