2018高考英语一轮复习单元检测卷单元检测卷4

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1、单元检测卷（）必修1Unit4I.阅读理解（2017-湖北武汉高三起点调研）IntheAmazonrainforestsofBrazil,scientistshavediscoveredanewspeciesofant.Theinsecthasnoeyes・Itsbodyispale・Anditsmouthpartsarelongerthantherestofitshead.Ifyouhappenedtocrosspathswiththestrangeant,youmightimaginethatitbelongstoanoth

2、erplanet.Evenitsname—MartialisHeureka一playfullysuggeststhatitcamefromMars.ChristianRabeling,fromtheUniversityofTexasatAustin,discoveredthenewspeciesamongthefallenleavesoftherainforest.Buthedidmorethanjustnoticehowstrangetheantlooks.HealsoanalyzeditsgeneticmateriahorD

3、NA・ComparingDNAamongspeciescangivescientistsinsightsintofamilytrees：ThemoreDNAtwospeciesshareincommon,themorecloselyrelatedtheyare,andthemorerecentlytheysplitofffromacommonancestor.Rabeling'sDNAanalysisofMartialisHeurekashowedthatthespeciesisonlydistantlyrelatedtooth

4、erantspecies.Thelasttimescientistsfoundanewsubfamilyoflivingantswasin1923,saythediscoverers・TheDNAanalysisalsosuggestedthatMartialisHeurekaappearedonearthearlierthananyotherantlivingheretoday.Andobservationssuggestedthattheantlivesunderground：palenessandblindnessaret

5、womajorclues.Someoftheotheroldestknownantspeciesalsoliveunderground・Sonow,scientistsaretryingtofigureoutwhetherantsfirstevolved（进化）underground,oriftheyevolvedabovegroundandthenwentunde匚Sofar,Rabelinghascollectedonlyoneantfromthenewspecies.Findingmorespecimens,hehopes

6、,willhelpusbetterunderstandthescienceandhistoryofantsonearth・语篇导读本文是一篇说明文，讲述的是新发现的一种名为MartialisHeureka的蚂蚁物种以及这种蚂蚁的主要特性。1.WhatwasChristianRabeling^reactionwhenhefirstfoundMartialisHeureka?A.Hethoughtitwascommon.B・Hedidnothingbutlookatit.C.Hebegantodoresearchonit.D.Heb

7、elieveditwasfromMars.解析：C细节理解题。根据题干关键词reaction对应文章中第二段最后两句可知，他不仅仅是注意到奇怪的蚂蚁，他还分析了其遗传物质或DNA,故选C项。1.Whatindicatestheantlivesundergroud?A.Itsappearance.B•Itsancesto匚C.Itsage.D.Itsfamily.解析：A细节理解题。根据第四段最后一句"…observationssuggestedthattheantlivesunderground••-”可知选A项。2.Whats

8、houldbedonetounderstandantsbetter?A-Tocollectmoreofthem.B・Toknowhowtheyevolved.C.Todiscoverwheretheylive.D.Tofindmorehistoryof（hem.