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1、Unit2Howoftendoyouexercise?1,How如何（方式）howlong多长（时间）答语常用"（For/about+）时间段"howfar多远（距离）答语常用"（It's+）数词+miles/meters/kilometers"howoften多久一次（频率）答语常用"Always/often/everyday/...v或"次数+时间”等表频率的状语Howsoon多快，多久以后，常用在将來时中。答语常用“in+时间段”howmany多少（接可数名词）howmuch（接不可数名词）2，exercise作v锻炼，运动作[c]操，练习domorning/eyeexercises作[
2、uc]锻炼takemuch/moreexercise3,at+钟点at7o'clockatnoon/atnight(during/intheday)atthis/thattimeattheageofon+具体某大、星期、特指的一天、纪念Fl、节FlonApril1stonSundayonacoldwintermorningonTeachers，Dayin+上午、下午、晚上、年、月、季节、年代、世纪inthemorning/afternoon/eveningin1999inAugustinautumnin1960sinthe21stcentury4,helpsb(to)dosthhelpsbwi
3、thsthwithsb'shelp=withthehelpofsb5,do(the)houscwork=dochores6,频度副词（行前be后）Alwaysusuallyoftensometimesseldomhardlynever7,sometimes有时(频度副词)sometime(将來)有朝一H,(曾经)某天Sometimes几次，几倍sometime一段时间(前血用介词for)8,goshopping=dosomeshopping9,oncetwicethreetimes10,atonee,rightnow,rightaway,inaminute,inamoment,innotime
4、立亥马上oncemore再一次，重新onceuponatime从而，曾经11,everyday每天everyday日常的，每天的12,ontheinternet13,what'syourfavoriteprogram?=whatprogramdoyoulikebest?14,free空闲的inone'sfreetimebefree自由的asfreeasafishfreedomn•自免费的Thebestthingsinlifearefree.15,befull=bcbusy忙的bebusydoingsth/bebusywithsthbefullof充满eg：Thebottleisfullofmi
5、lk.16,Howcome?怎么会？为什么？17,maybe为情态动词+动词原形,在句子中做谓语,maybe是副词,表示可能,大概,一般放在句首(perhaps)。18,stayupdoingsth熬夜做某事19,stay/keephealthybeingood/bad/poorhealthbegood/badforone'shealth3,atleast=nolessthanatmost=nomorethan4,asksbaboutsthasksb(not)todosthasksbforhelp/advice/information5,theresultof••-的结果asaresult结果
6、6,besurprisedthat/besurprisedat/besurprisedtodo对…很惊讶Toone'ssurprise另某人惊讶的是insurprise惊讶地7,theanswertothequestion,akeytothedoor,atickettotheballgame8,although=though(与but不能连用)Eventhough/if即使，尽管asthough/讦仿佛，好像9,by介词+n/v-ing/代词通过…方式byoneself独口地bytheway顺便问/说一下bychance/accident偶然地bymistake错误地learnbyheart记
7、住10,thebestway/timetodo做某事最好的方式/时间11,4个花费：人+spend/spends/spent+时间/钱+(in)doingsth/onsthspendtimewithsb人+pay/pays/paid+钱+forsthIttakes/tooksb+时间+todosth物+cost/costs/cost+sb+钱12,diev.死亡，消失died过去式deadadj死
