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Pre-task•Whatweredetectiveswaitingattheairport?•Wheredidtwomentaketheparcelafterthearrivaloftheplane?•Whatdiddetectivefindinparcel?BecausetheywereexpectingavaluableparcelofdiamondsfromSouthAfrica.TheytooktheparceltotheCustomsHouse.Theyfoundstonesandsandintheparcel.•Wherewerethediamonds?Canny:精明的，机敏的Trick:轨迹，骗局Cheat：欺骗•Theplanewaslateanddetectiveswerewaitingattheairportallmorning.TheywereexpectingavaluableparcelofdiamondsfromSouthAfrica.Afewhoursearlier,someonehadtoldthepolicethatthieveswouldtrytostealthediamonds.Whentheplanearrived,someofthedetectiveswerewaitinginsidethemainbuildingwhileotherswerewaitingontheairfield.TwomentooktheparcelofftheplaneandcarrieditintotheCustomsHouse.Whiletwodetectiveswerekeepingguardatthedoor,twoothersopenedtheparcel.Totheirsurprise,thepreciousparcelwasfullofstonesandsand!Newwords•detectiven.侦探私家侦探发现者探测者adj:1.侦探的detectivestories侦探小说2.侦查用的;探测用的detectivemethods侦查方法expect•①vt.&vi.预计，预料Jimhasfailedinmathematicsashisteacherexpected.正如他老师所预料的那样，吉姆数学考试没及格。•②vt.等待，期待，盼望（心理上的等待）Theyareexpectinggueststonight.今晚有人要去他们那里作客。•expect所表示的等待一般暗含着根据某些信息或规律而作出相应反应的意思，而waitfor主要持续“等待”这个动作本身。expectsth.IexpectaletterfromJimmy.expectsb.todosth.期待某人做某事Iexpectyoutowriteback.Iexpectmymothertocomeback.waitforsth./sb.动作上的等待Iwaitformymother.expect③vt.认为，猜想（一般用于口语）•Iexpectso./Ithinkso.我希望如此［口语］•Iexpectyou’veheardthenews.我想你已经听到这个消息了。•expectationn.1.期待;预期Thedogwaggeditstailinexpectationofabone.那条狗摇着尾巴,巴望吃肉骨头。2.期望,预期的事物Therewardfellshortofourexpectations.奖励不符我们的希望。3.前程ayoungartistwithgreatexpectations有远大前程的青年艺术家《GreatExpectations》•《远大前程》《孤星血泪》•CharlesJohnHuffamDickens•Piporphan•Realistic•Crime•socialclass•empire•ambition.value•1.名词n.•①.重要性,益处Thisdictionaryisoflittlevaluetoyou.这本词典对你没有什么帮助。•②.价值;价格Thevalueofthedollarmayfall.美元的币值可能下降。•③.等值;等价物Thiscarisgoodvalueforyourmoney.这辆汽车你买得很合算。•④.价值观,价值基准Hisvaluesseemold-fashioned.他的价值观念似乎陈旧了。Appreciation升值Devaluation贬值•2.及物动词vt.•①.估价,评价Thatwatchwasvaluedat$100.那只表估计值一百美元。Ivaluethisnecklaceat$5,000.我估计这条项链值五千美元。•②.尊重;重视,珍视Myfathervalueshonestybeyondallthings.我父亲把诚实看得比什么都重要。valuable•形容词a.1.值钱的,贵重的Heboughtmeavaluablediamondringasabirthdaypresent.他给我买了一只贵重的钻戒作生日礼物。2.有用的,有价值的Thisexperienceisvaluabletome.这一经历对我很有用。3.可估价的valuelessadj.没有价值,不足道的precious•形容词a.1.贵重的,宝贵的,珍贵的Hehassentmemostpreciousgifts.他送给我极为珍贵的礼物。Timeisprecious.时间是宝贵的。•2.可爱的,珍爱的,宝贝的Hischildrenareveryprecioustohim.他极疼爱自己的孩子。Diamond•n钻石金刚石•diamondring钻石戒指•preciousstone宝石•crystal[‘krɪstl]水晶•jade[dʒed]玉Stolen-planesteal（stole，stolen）v.偷及物动词vt.1.偷,窃取Ithinksomeonehasstolenmyjacket.我认为有人偷了我的夹克。不及物动词vi.1.偷东西,行窃2.偷偷地行动;溜Hestoleintothehouse.他偷偷溜进屋内。rob•及物动词vt.1.抢劫,劫掠,盗取•Theyrobbedthejewelrystoreinbroaddaylight.他们在光天化日之下抢劫了那家珠宝店。•2.非法剥夺,使丧失[(+of)]Theyrobbedthepeopleoftheirliberty.他们夺走了人民的自由。•不及物动词vi.1.抢劫Hesaidhewouldnotrobagain.他说他再也不抢劫了。main•形容词a.•1.主要的,最重要的Shenoteddownthemainpointsofthespeech.她把演说的要点记了下来。•2.尽力的,全力的Main不与人连用mainbuilding；mainstreet；mainsentence；mainidea;guard•n.警戒,守卫lifeguard救生员bodyguard保镖pointguard控球后卫•standguard站岗，放哨keepguard守望，警戒•Theykeptacloseguardoverthethieves.他们对小偷们严加看管。•keepguard守卫Iwaswashingthedishesatsixyesterday.Wewereworkingfromtwotofouryesterdayafternoon.本课主要语法用法：过去某一时刻或某一段时间内正在发生的动作常用时间状语：atthistimeyesterday,atthattime,atteno’clockyesterday,fromtwotofouryesterdayafternoon.动词构成：was/were+现在分词(--ing)过去进行时态(ThePastContinuous)肯定式疑问式否定式I/He/She/Itwasworking.WasI/he/she/itworking?I/He/She/itwasnot(wasn’t)working.We/You/Theywereworking.Werewe/you/theyworking?We/You/Theywerenot(weren’t)working.过去进行时的构成形式（以动词work为例）：特殊疑问句举例：Whatwereyoudoingthistimeyesterday?Whatwashedoingwhenhismotherwascooking?•过去进行时和一般过去时经常同在一个句子里使用。过去进行时表示过去正在进行的动作或情况，一般过去时则表示比较短暂的动作或事件。正在进行中的动作或情况往往由连词when，while，as，justas等引导。when，while当……时候（强调动作同时发生）while+从句,动词一定是延续性动词when+延续性动词/瞬间动词while能用when代替，但是when却不一定能用while代替。while通常只引导持续时间较长的动作，并且主句和从句可以同时用过去进行时，而when和as一般不这么用。•JustasIwasleavingthehouse,youcamein.•JohnwaswatchingTVwhilehiswifewastalkingwithaneighbouroverthephone.when也可以引导比较短暂的动作，while和as则一般不行。Wewerehavingsupperwhenthelightswentout.(goout熄灭)•过去进行时往往与表示一段时间的状语连用，如allmorning，allnight，allday，allevening，thewholeweek等，表示这段时间一直在干什么。•Whatwereyoudoingallevening?Icouldn’tfindyouanywhere.过去动作同时发生的时态•①过去两个动作同时发生,习惯上一个用一般过去时,另一个用过去进行时；动作长用过去进行时,动作短用一般过去时;分工的情况,动作的开始时间和结束时间几乎相同,均用过去进行时;Iwaslisteningtotheradio,mysisterwasdancing.Whenmymotherwasdoingthehousework,myfatherwaswatchingTV.•②两个动作在同时段进行,在不同时间结束,先发生的动作未结束,另一个动作发生,先发生的动作用进行时态,另一个动作用过去时.WhenIwasopeningthedoor,thetelephonerang.先开门Whenthetelephonewasringing,Iopenedthedoor.电话先响•③瞬间动词（如：arrive）没有进行时态,所以两个动作同时发生,延续性动词用进行时态,瞬间动词使用过去时态.Whenhearrived,Iwashavingdinner.Iamarriving进行时态表示将要1、Theplanewaslateanddetectiveswerewaitingattheairportallmorning.•all一般直接加表示时间的单数名词构成副词短语，如：allday，allnight，allweek，allwinter，allyear等。但不说allhour。•whole在表达同样的意思时一般要加冠词或数词，如awholeday/year，twowholeweeks。allmorning=allthemorning•detectives没有强调一些侦探或者那些侦探,强调侦探这种人，笼统感念,可不加some,the.2.Afewhoursearlier,someonehadtoldthepolicethatthieveswouldtrytostealthediamonds.•afewhoursearlier几个小时以前=afewhoursbefore/afewhoursago•would+