UsingLanguageⅠ.单词拼写1.Thenewaircrafthasperformedverywellinits________(最初的)trials.2.Threeofthechickens________(孵出)today.3.The________(羽毛)ofapigeoncanbringyougoodluck!4.Hegavemea________(合理的)explanation.5.I________(只是)suggestyoushoulddoitagain.6.Sheputsome________(装饰)ontheChristmastree.7.Thegreat________(缺点)tolivingnearamainroadisnoise.8.Alittlebabyis________(不能的)towalkortalk.9.It'straditionalinEnglandtoeat________(火鸡)onChristmasDay.10.Wetriedin________(徒劳的)topersuadehimtogowithus.Ⅱ.多项选择1.Abrightideasuddenly________methatIcouldusethemoneyIsavedtohelpapoorstudentinthecountryside.A.struckB.occurredC.happenedD.hurt2.(2013·武汉高二质检)Shewantstofindajobinthekindergartenbecauseshe________workingwithchildren.A.adoresB.admiresC.dreamsD.avoids3.Heisingood________foramanofhisage.A.conditionB.atmosphereC.caseD.situation4.—Doyouoftengofishingatweekends?—Notoften,Ionlygofishing________.A.atonetimeB.allthetimeC.atatimeD.fromtimetotime5.(2013·许昌高二检测)Heisa________personandwillunderstandyourdelay.A.availableB.comfortableC.convenientD.reasonable6.Theworkwehavedonehasbroughtgreatbenefits.Wearehappythatoureffortsarenot________.A.inuseB.inneedC.invainD.inorder7.(2013·宜昌高二调研)Shewasonadiet,butshecouldn't________eatingsweetfood.Consequently,herweightwasgainedagain.A.removeB.resistC.rejectD.object8.—AreyousurethatAliceishonest?—No.That's________aguessofours.A.certainlyB.hardlyC.merelyD.nearly9.The________talksbetweenChinaandtheUnitedStateswerethebaseofthelateragreement.A.originalB.primaryC.initialD.primitive10.Oneofthe________ofFrenchagricultureisshortoffarmlabour.A.disadvantageB.drawbackC.disasterD.mistakeⅢ.阅读理解AAteamofMichiganStateUniversity(MSU)researchershasdevelopedanew,moreefficientwayofcloningzebrafish,abreakthroughthatcouldhaveanimpactonresearchintohumanhealth.Zebrafisharequicklybecomingtheanimalofchoiceformanyresearchers.“Aftermice,theyarethemostcommonlyusedvertebrates,thatis,animalswithbackbones,ingeneticstudies,”saysJoseCibelli,theleaderoftheteam.“Theyareusedincancerandheartdiseaseresearchbecausetheyhavemanyofthesamegenesaspeoplehave.”Formorethan20years,zebrafishhavealsoservedasanexcellentmodelforunderstandingbothnormaldevelopmentandbirthimperfections.Morerecently,researchwithzebrafishhasextendedtomodelinghumandiseases.Traditionalcloningusesaneggandadonor(捐赠者)cell.TheDNAisremovedfromtheeggandreplacedbytheDNAtakenfromthedonor.Theresultingfishisanexactgeneticcopyofthedonor.InCibelli'stechnique,theeggisremovedfromthefemalezebrafishandplacedintheovarian(卵巢的)fluidofaChinooksalmon,anotherkindoffish,beforethedonorcellisplacedintotheegg.Thepreviousmethodsofcloningzebrafishhadverylowsurvivalrates.Withthenewtechnique,thenumberofclonedfishisincreasedby15percent.Whatmakeszebrafishsousefulinresearchisthattheireggsaretransparent(透明的),makingthefish'sdevelopmenteasytofollow.Improvingzebrafishcloningtechniquesisalsoimportantbecausecurrentlythemouseistheonlygoodmodelforgeneticresearch.“Sofarthemouseistheonlyanimalfromwhichyoucandeletegenesinareliableway,”Cibellisays.“Whatresearchersdoismutate(使变异)agene,destroyitsfunctioncompletely,andthenstudytheconsequences.”1.Whatdowelearnaboutzebrafishfromthetext?A.Theycanbeusedtocurehumandiseases.B.Theyhave...