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1、Unit4Problemsandadvice课前检测语法选择（共10小题；每小题2分，满分20分）Itcanbedangerous__11__bysea.Shipssometimessinkfarawayfromland.Whenthishappens,thesailorshavetogetintosmallboats.Ifanothershipdoesnotcomeandhelpthemandtheydonothaveenoughfoodorwater,they__12__.Mostpeoplebelievewemustnotdri
2、nkseawater.Theybelievethatifwe__13__weshallbeveryill__14__allthesaltinthewater.AdoctorcalledAlainBombarddidnotbelievethis.Hethoughtthatpeoplecouldstayaliveby__15__smallfish,animalandplantsfromthesea.On19thOctober1953,hesetoutinasmallboatto__16__theAtlanticOcean(大西洋).Hed
3、idnottakeanyfood__17__waterwithhim.EverydayDr.Bombarddrankjustalittleseawater.Healsocaughtfishandtheyhadwaterinthem.Hedrankthiswater.Hecouldnotcookthefish,soheatethemastheywere.Hetooksmallplantsfromthesea,__18__gavehimmorefood.Dr.Bombardbecamehot,tiredandquiteill,butaft
4、er65daysatsea,hewasstillalive.Hetravelled2750milesfromonesideoftheAtlanticoceantotheother,andon24thDecember1953,he__19__Barbados.Helost20kilos,butheshowedthatpeoplecouldlive__20__seawaterandtheanimalsandplantsinthesea.11.A.travelB.totravelC.travelledD.totravelling12.A.a
5、redeadB.dieC.diedD.willdie13.A.doB.didC.havedoneD.willdo14.A.becauseB.asC.forD.becauseof15.A.drinkseawaterandeatB.todrinkseawaterandtoeatC.drinkingseawaterandeatingD.drinkingseawaterandeat16.A.acrossB.crossingC.crossD.through17.A.andB.orC.butD.nor18.A.thatB.whichC.those
6、D.what19.A.arrivedB.gotC.reachedD.arrivedto20.A.onB.aboutC.byD.in完形填空（共10小题；每小题2分，满分20分）Therearemindreadingskillsthatarehelpfultoanyone.__21__people’sthoughtsorfeelingshasalottodowithbodylanguage,becausethemindcan__22__thebodywhattodoandhowitshoulddoit.Aperson’seyescans
7、howyoualot.Ifaperson’spupilsgetbigger(unlesstheroomisdark),thenyoucanknowthatheorsheisinterestedorafraid.Ifthepupilsgetsmaller(unlesstheroomisbright),thenthepersonisnotinterested.Practicereading__23__bystudyingyourownpupilsinfrontofamirror.__24__somethingyoulikeandwatch
8、howyourpupilschange.Whenyouareatameetingandyouseesomebodywith__25__arms,itprobablymeansthispersonisclosinghims
