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第1页选词填空3before,discover,fast,in,come,watch,so,fastit,ago,shine,notcanLighttravelsataspeed(速度)whichisaboutamilliontimes1.________thanthatofsound.2.________onesecond,lighttravelsabout300,000kilometers,butsoundtravelsonly340meters.Youcangetsomeideaofthisdifferenceby3.________thestartofarunningmatch.Ifyoustandfarawayfromthestarter(发令员),youcanseesmoke4.________fromhisgun5.________thesoundreachesyourears.Thefastspeedoflightproducessomestrangefacts.Theneareststaris6.________farawaythatlightwhichyoucanseefromittonightstartedtotraveltoyoufouryears7.________ataspeedofnearlytwomillionkilometerseveryminute.Thelightfromsomeoftonight'sstartedon8.________journeytowardsyouevenbeforeyouwereborn.So,ifwewanttobehonest(诚实),we9.________say,Thestarsareshiningbrightlytonight.Wehavetosay,Thestarslooknice.Theywere10.________fouryearsagobuttheirlighthasjustreachedourearth.选词填空4other,move,enough,find,desert,make,use,another,friend,carry,trouble,friend第2页Youmaythinkthereisnothingbutsandinthedesertoftheworld,butitisnottrue.Inthedesertwecan1._______stones.Wecanseehills,too.Thereisalittleraininthe2.________,butitisnot3.______formostplants.Theanimalsare4._______tothedesertpeopleinmanyways.Thedesertpeopleeatthemeatanddrinkthemilkoftheanimals.Theyusetheirskinsto5.________shoes,waterbagsandeventents(帐篷).Theyusethecamels(骆驼)for6._______things.Thepeopleofthedeserthavetokeep7._______fromplacestoplace.Theymustalwayslookforgrassordesertplantsfortheiranimals.Theyusuallyliveinthetents.Whenthereismomorefoodfortheiranimals,theytakedowntheirtents,putthemonthecamelsandmoveto8._______place.Thedesertpeoplearevery9._______.Nomaninthedesertwouldeverrefusetohelpthepeoplein10._______andgivethemfoodandwater.选词填空5how,they,winter,summerspend,care,dance,take,show,open,only,goodTheworldoftheout-ofdoorsisfullofsecrets.And1.________aresointerestingthatquitealotofpeoplearebusystudyingthem.All第3页aroundusarebirds,animals,treesandflowers.Thefactsabout2.________theyliveandgrowareasinterestingasanythingcouldbe.DoyouknowthatoneofthegreatpresidentsoftheUnitedStates3________hoursandhoursstudyingbirds?AbusinessmanwholivesnearNewYorkCitybecamesointerestedininsects(昆虫)thathebegantocollectthem.Henowhasmorethanonethousanddifferentkinds4.________keptintheglassboxes.Comethenwithme,andIwillhelpyoufindsomeofNature'ssecrets.Letusgoquietlythroughthewoodsandfields.Hereweshallfindhowarabbittellstheotherrabbitsthatthereisdanger.Weshallfollowamotherbearandheryoungonesastheysearchforfoodandgetreadyfor5.________sleep.Weshallwatchbees6.________intheairtoletotherbeesknowwheretheycanfindfood.Iwill7.________youmanyotherinterestingthings,butthe8.________thingthatIcanteachyouistokeepyoureyesandears9.________whenyougooutofdoors.Naturetellshersecrets10.________topeoplewholookandlistencarefully.选词填空6two,sudden,cold,teach,insurprise,French,hot,beard,photo,office,passport,China第4页MrHillarrivesatLondonAirport,attheendofathree-weekholidayin1.________.Usuallyhewearsabeard(蓄着胡须).Sinceithasbeen2.________there,hehastakenitoff(剃掉).Buthispassportphotoshowshimwithhis3.________.Anofficerlooksatthe4.________foramoment,andsays，Willyouexcuseme?Pleasesitdown.Ishan'tkeepyoulong.Withthis,hewalksaway,showsthephototoasecond5.________,andsays:Iknowthatface.Thesecondofficerlooksatthe6.________andaskswhereMrHillhascomefrom.WhenhehearsthatMrHillhasarrivedbackfromParis,the7.________officersmilesandsays:AnEnglishmanwithabeardstoleapaintinginParisonFriday,Andthatmanlooksjustthekindofman...8.________itcomestothefirstofficerwhoMrHillis.Hereturnstohim,andasks:Didyou9.________attheNo.2.HighSchool?WhenMrHillanswers,10.________,thathedid,thefirstofficersmilesandsays:Ithoughtso.I'mJackSmith.YoutaughtmeFrench.Youhaven'tchangedabit.选词填空7Invent;ask;how;so;much;be;interest;play;safe;thank;ThomasEdisonwasagreatAmerican1.________.Whenhewasa第5页child,hewasalways2.________questionsandtryingoutnewideas.Nomatter3.________harditwas,henevergaveup.YoungTomwasinschoolforonlythreemonths.Histeacherdidn'tunderstandwhyhehad4.________manystrangequestions.Mostofthemwerenotabouthislessons.Theteacherdidn'twanttoteachTomany5.________.HeaskedTom'smothertotaketheboyhome.Tom'smothertaughthimtoreadandwrite,andshefoundhim6.________averygoodpupil.Helearntveryfastandbecamevery7.________inscience.Oneday,hesawalittleboy8.________ontherailwaytracksatastation.Atrainwascomingnearquiclly,andtheboywastoofrightenedtomove.Edisonrushedoutandcarriedtheboyto9.________.Theboy'sfatherwasso10.________thathetaughtEdisontosendmessagesbytelegraph.选词填空8as,sleep,dream,like,again,about,think,must,wakeup,quick,much,whyDreams(梦)maybemoreimportantthansleep.Weallneedtodream,somescientistssay.Dreamstakeupaboutonequarterofour1.________time.Peoplehaveseveral2.________eachnight.Dreamsarelikeshortfilms.They第6页areusuallyincolour.Somedreamsare3.________oldfilms.Theycometousoverandover4.________.Thatmaybebecausethedreamerisworryingaboutsomething.Dreamingmaybeawayoftryingtofindananswer.Somepeoplegetnewideas5.________theirworkfromdreams.Theymayhavebeen6.________abouttheirworkallday.Thesethoughtsca