2025高考英语大二轮专题强化练高考题型组合练作业46 四选一阅读＋完形填空＋语法填空 .docx

2025高考英语大二轮专题强化练高考题型组合练作业46四选一阅读＋完形填空＋语法填空作业46四选一阅读＋完形填空＋语法填空

(分值：40分)

Ⅰ.四选一阅读(每小题2.5分，满分10分)

(2024·湖南怀化一模)

Theworld’slargestapeGigantopithecusblacki(G.blacki)vanishedfromEarthbetween295,000and215,000yearsago，morethan100,000yearsearlierthanoncethought，pushedtoextinctionastheenvironmentarounditshifted，researchersreportedrecentlyinNature.

ThefateofG．blacki，twicethesizeofthelargestmodernapesandresemblingasuper-sizedversionofitsclosecousin，theorangutan，haslongbeenamystery.Forabout2millionyears，G.blackiinhabitedalandscapeofforestsandgrassesinwhat’snowsouthernChina.Itleftbehindonlyscatteredremnants：thousandsofteethandfourjawbones，unearthedincavesedimentsintheregion.

Toestablishachronology(年表)fortheape’sextinction，paleoanthropologistYingqiZhangoftheChineseAcademyofSciencesinBeijingandhiscolleaguesuseddifferentdatingtechniquestodeterminetheape’shabits，dietandenvironment.Intheteeth，theylookedfordataontheape’sdiet，measuringisotopes(同位素)ofcarbonandoxygenaswellasexaminingtheteethfortinyevidenceofwearandtear—whichcanrevealnotonlydiet，butalsogivehintsofrepeatedbehaviorsandstress.Theteamalsoanalyzedthecavesedimentsbearingthefossils，huntingforfossilpollenandconductingluminescencedating(释光测年)onradioactiveelementswithinthesediments.

Theteam’sreconstructionrevealedthataround700,000to600,000yearsago，southernChinashiftedfromitsforestedlandscapetoamoreseasonally-drivenenvironment.Someapes，includingtheorangutans，wereabletoadapttothesechanges.ButG．blackiwasunabletochangerapidlyenough，anditsnumbersslowlydwindledbeforegoingextinct，theteamsuggested.

Theassembledevidencetoldaconvincingstorythat“theextinctionofG．blackicoincidedinsouthernChinawithadecreaseofforestcoverandexpansionofsavanna-likeenvironments，”saidHervéBocherens，abiogeologist