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初一年级新题型专项练习——选词填空 A.before,B.faster,C.in,D.come,E.shine,F.so Lighttravelsataspeed(速度)whichisaboutamilliontimes1. ________thanthatofsound.2.________onesecond,lighttravelsabout 300,000kilometers,butsoundtravelsonly340meters.Youcangetsome ideaofthisdifferencebywatchingthestartofarunningmatch.Ifyou standfarawayfromthestarter(发令员),youcanseesmoke3.________from hisgunbeforethesoundreachesyourears. Thefastspeedoflightproducessomestrangefacts.Theneareststar is4.______farawaythatlightwhichyoucanseefromittonightstarted totraveltoyoufouryearsagoataspeedofnearlytwomillionkilometers everyminute.Thelightfromsomeoftonight'sstartedon5.________ journeytowardsyouevenbeforeyouwereborn. A.other,B.enough,C.find,D.make,E.useful,F.eat Youmaythinkthereisnothingbutsandinthedesertoftheworld, butitisnottrue.Inthedesertwecan1._______stones.Wecanseehills, too.Thereisalittleraininthedesert,butitisnot2.______for mostplants. Theanimalsare3._______tothedesertpeopleinmanyways.The desertpeople4._________themeatanddrinkthemilkoftheanimals.They usetheirskinsto5.________shoes,waterbagsandeventents(帐篷).They usethecamels(骆驼)carryingthings. A.how,B.they,C.spend,D.carefully,E.interested,F. take, Theworldoftheout-ofdoorsisfullofsecrets.And1.________are sointerestingthatquitealotofpeoplearebusystudyingthem.All aroundusarebirds,animals,treesandflowers.Thefactsabout 2.________theyliveandgrowareasinterestingasanythingcouldbe. DoyouknowthatoneofthegreatpresidentsoftheUnitedStates3 ________hoursandhoursstudyingbirds?AbusinessmanwholivesnearNew YorkCitybecameso4.________ininsects(昆虫)thathebegantocollect them.Henowhasmorethanonethousanddifferentkinds5.________kept intheglassboxes. A.cold,B.teach,C.insurprise,D.hot,E.photo,F.passport, MrHillarrivesatLondonAirport,attheendofathree-weekholiday inFrance.Usuallyhewearsabeard(蓄着胡须).Sinceithasbeen 1.________there,hehastakenitoff(剃掉).Buthispassportphotoshows himwithhis3.beard. Anofficerlooksatthe2.________foramoment,andsays,"Willyou excuseme?Pleases