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一well,soft,second,better,may,strongly,afraid,sand,stayup,if,now,houseWecan’tstopanearthquake(地震),butwecandothingstomakesuretheydon’tdestroy(毁坏)wholecities.First,itisnota1.________ideatobuildhousesalonglineswhere2.________oftheearth’splates(板块)jointogether.Second,ifyouthinkthere3.________beanearthquake,itisbettertobuildhousesonrocks,noton4.________.Third,youmustmakethehousesas5.________aspossible.Weakbuildingswillfalldowninanearthquake,butstrongonesmay6.________..Scientistsare7.________thatonedayanevenbiggerearthquakewillhitthepartaroundSanFrancisco(旧金山).Theycallit“TheBigOne”.However,peopletodayarestillbuildingmore8.________.ThepopulationinandaroundSanFranciscois9.________tentimesmorethanitwasin1906.Thismeansthat10.________thereisanotherearthquake,agreatmanyhousesandbuildingswillbedestroyed.二forget,bring，mend，beside，luck，pick，same，differently,I，every,stop，eachMr.Brownhadanumbrellashopinasmalltown.Peoplesometimes1________himbrokenumbrellas,andthenhetookthemtoabigshopinLondon.Theywere2________there.OnedayMr.BrownwenttoLondonbytrain.He3________totakeanumbrellawithhimthatday.Sittinginfrontofhimwasamanwithanumbrellastanding4_______theseat.WhenthetrainarrivedinLondon,Mr.Brown5________uptheumbrellaasheoftendidduringhisjourneybytrain.Justashewasgettingoff,hewas6________bytheman.Hesaidangrily,“That’s7________!”Mr.Brown’sfaceturnedredandhegaveitbacktothemanatonce.WhenMrBrowngottothebigshop,theshopkeeperhadgothissixumbrellasready.Afteragoodlookat8________ofthem,hesaid,“You’vemendedthemverywell.”Intheafternoonhegotintothetrainagain.The9________manwasinthesameseat.HelookedatMrBrownandhissixumbrellas,“You’vehada10________day,”hesaid.三before,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.”四other,move,enough,find,desert,make,use,another,friend,carry,trouble,friendYoumaythinkthereisnothingbutsandinthedesertoftheworld,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.1.find2.desert3.enough4.useful5.make6.carrying7.moving8.another9.friendly10.trouble五how,they,winter,summerspend,care,dance,take,show,open,only,goodTheworldoftheout-ofdoorsisfullofsecrets.And1.________aresointerestingthatquitealotofpeoplearebusystudyingthem.Allaroundusarebirds,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.1.they2.how3.spent4.carefully5.winter6.dancing7.show8.best9.open10.only2.3.1.good2.two3.may4.sand5.strong6.stayup7.afraid8.houses9.now10.if4.1.brought2.mended3.forgot4.beside5.picked6.stopped7.mine8.each9.same10.lucky5.1.faster2.In3.watching4.come5.before6.so7.ago8.its9.cannot10.shining6.六two,sudden,cold,teach,insurprise,French,hot,beard,photo,office,passport,ChinaMrHillarrivesatLondonAirport,attheendofathree-weekholidayin1.________.Usuallyhewearsabeard(蓄着胡须).Sinceithasbeen2.________there,hehastakenitoff(剃掉).Buthispassportphotosho