选修7Unit3Underthesea能力演练一、语法填空Morethan220peoplewerekilledinthefire1destroyedtheCapitalBuildingonFebruary4th,1974.Thebuildingwasfinishedonlyafewmonths2thefire;itwasSaoPaulosnewestbuilding.Allthe253oftheofficebuildingwerecompletelydestroyed.4firealsodestroyedcarswhichbelongedtopeoplewhoworkedinthebuilding.Over500peoplewereworkinginthebuildingwhenthefirebroke5onthe11thfloor.6knowshowthefirestarted.Perhapsitwasstartedbyan7(electricity)fireintheceilingofoneoftheoffices.Officeworkerstriedtoputoutthefire,8itwasimpossibletocontrol9.Soonthewholefloorwasonfireanditwasimpossibleforpeopleonthefloorsabove10(escape).二、完形填空阅读下面短文,掌握其大意,然后从1~15各题所给的四个选项(A、B、C和D)中,选出最佳选项。ChinesescientistsareagainbecomingexcitedaboutthefactthatalargehairyanimalmayliveincentralChina.Nowtheyhopeitwontbetoolongbeforetheyareableto1itsexistence.Theirconfidenceisthe2ofanewdiscoveryofthemysteryanimalinHubeiProvince.TenChinese3,enjoyingaholidayinaNationalForestPark,weredrivingdownaroad.Astheirbusturnedacorner,themenweresuddenly45animals,coveredwithlongdarkhair,werecrossingtheroad.Onseeingtheanimals,theengineersimmediatelystoppedand6them.7,whentheysawhowtheanimalsmovedthroughtheforestwithgreat8andstrength,theydidnotdaretofollowanyfurther.Themendidnottakeany9.However,scientistsare10bythediscovery,becausetheengineerswereallveryeducatedpeopleandscientistsfeeltheycan11whattheydescribed.Afterthediscovery,scientistsreturnedtotheforestand12somehairandmeasuredfootprints.About20inchesappearstobethelengthoftheanimal,sfoot!Chinesescientistshavenowsetupaspecialgrouptoexchangeinformationandmakea13oftheforest.Butinthemeantime,somepeople14tobelievethatthishalfman,halfmonkeyexists.Theywillnotbelievethatitis15untiloneoftheanimalshasbeencaught.3.A.travellers6.A.shotatB.lookedatC.foughtwithD.ranafter11.A.relyonB.dealwithC.writedownD.passonome三、阅读理解专题训练(八)说明文的阅读(2)Shortpeople,studieshaveshown,aremorelikelytohaveastroke(中风),sufferfromhighbloodpressuresandheartdiseaseandbebulliedinschool.Now,researchersreportthatshortpeople—atleastinthepast—werealsomorelikelytodieatayoungeragethantheirtallerpeers.Theirstudy,publishedintheJournalofEpidemiology(流行病学)andCommunityHealth,foundthatshortboneshavesomethingtodowithshortlifeformorethan1,000years.Theconclusionwasbasedon490setsofadultskeletal(骨架的)remainsfromanarchaeologicalsiteinnortheasternEngland,datingfromthe9thcenturytoabout1850.About55%ofmenand73%ofwomendiedbeforetheageof45,and39%ofmenand56%ofwomendiedbeforeage30.Theriskofdeathbeforeage30declinedasbonelengthincreased.“Thisstudyprovidesevidencefromanarchaeologicalsamplethatlongbonelengthisconnectedwithageatdeath-thosewithsmallerbonestendtodieyounger,”accordingtoDr.D.J.GunnelloftheuniversityofBristolintheUKandcolleagues.Whileitisnotclearwhyshortstature(身材)mightbelinkedtoearlierdeath,theresearcherspointoutthatheightis〖ZZ(Z〗anindicator〖ZZ)〗ofchildhoodnutrition,whichmayhavealonglastingeffectonhealth.“Mechanism(身体结构)forheightmortality(死亡)associationsinthepastmaydifferfromthosetoday,forexample,shortstaturemayhaveincreasedtheriskofdeathinchildbirthandthismayexplainthehigherriskofpremature(未成熟的)mortalityinwomen,”Gunnellandcolleagueswrite.“Howe...