tpo1-34解析包中含審核后題目可作為權(quán)威真題-閱讀33reading

，絕種；migrationItwasnotuntiltheCambrianperiod,beginningabout600millionyearsago,thatagreatproliferationofmacroscopicspeciesoccurredonEarthandproducedafossilrecordthatallowsustotracktheriseandfallofbiodiversity，大意是直到寒B選解析：標(biāo)出的句子主要有2層意思：第一層是沒(méi)有任何一種生物能地，恐龍突然的就是一個(gè)例子；第二層是在恐龍之后，哺乳動(dòng)物開(kāi)始發(fā)展統(tǒng)治，并且種類不斷增多。只有B2層意思。解析：定位到Startingabout280millionyearsago,reptileswerethedominantlargeanimalsinterrestrialenvironments.Inpopularlanguagethiswastheera“whendinosaursruledEarth,”whenawidevarietyofreptilespeciesoccupyingmanyecologicalniches.D選項(xiàng)的表述中，physicallydominant是對(duì)thedominantlargeanimals的同義改寫，ecologicallydominantanimalsawidevarietyofreptilespeciesoccupyigmanyecologicalniches的同義改寫?！璒verall,about38percentofthefamiliesofmarineanimalswerelost,withpercentagesmuchhigherinsomegroupsAmmonoidmolluskswentfrombeingverydiverseandabundanttobeingextinct….Amongplants,theK-Tboundarysawasharpbutbriefriseintheabundanceofprimitivevascularplantssuchasferns,clubmosses,horsetails,andconifersandothergymnosperms…注意題干中的范圍frombeingverydiverseandabundanttobeingextinct，是一個(gè)動(dòng)態(tài)的過(guò)程，從豐富廣泛到題目問(wèn)的是K-Tboundary時(shí)期最開(kāi)始數(shù)量上增加的物種，mollusksK-Tboundary時(shí)期，只是強(qiáng)調(diào)了其butbriefriseintheabundanceofprimitivevascularplantssuchasferns,clubmosses…C。NeverthelessclimaticexplanationsfortheL-Textinctionarenotreallychallengedbytheideasthatdinosaursmayhavebeenendothermic,becauseevenendothermscanbeaffectedbyasignificantchangeintheclimate，這句話的邏輯是解釋的。even是“甚至”的意思，表示語(yǔ)氣加強(qiáng)，作者的目的是為了強(qiáng)調(diào)氣候變化解釋恐龍是一種正確的解釋。解析根據(jù)上下文推斷詞匯在語(yǔ)境中的意思thisimpactgeneratedathickcloudofdustthatenvelopedEarth,shuttingoutmuchofthe ingsolarradiation(這個(gè)撞擊了厚塵云，這個(gè)灰云包裹住了地球，擋住了很多輻射)。最符合上下文邏輯并與generated意思最接近的詞是produced。generate產(chǎn)生；引起。解析：extensive，廣泛的，大量的；對(duì)應(yīng)widespread，廣泛的。sudden，突然的；解析：A選項(xiàng)對(duì)應(yīng)原文Short-termeffectsmighthaveincludedhugetidalwavesandextensivefires。B選項(xiàng)對(duì)應(yīng)原文Inotherwords,aseriesofeventsarisingfromasingleclysmiceventcausedthemassiveextinctionsC選項(xiàng)定位到TheybelievedthatthisimpactgeneratedathickcloudofdustthatenvelopedEarth,shuttingoutmuchofthe ingsolarradiationandreducingplantphotosynthesistoverylowlevels，意思是這種沖擊產(chǎn)生了大量的厚塵云，遮蔽了天空和陽(yáng)光。D選項(xiàng)屬于iridium(銥)是有關(guān)恐龍的，而非構(gòu)成的原因。toacceptthemeteoritetheoryafterevidencecametolightthatacircularformation180kilometersindiameterandcenteredonthenorthcoastoftheYucatanPeninsula,wascreatedbyameteoriteimpactabout65millionyearsago，大意是地球表面的一個(gè)大這次撞擊就是恐龍的原因，C選項(xiàng)是對(duì)這個(gè)科學(xué)結(jié)論的準(zhǔn)確概括解析：根據(jù)題目YucatanPeninsula定位到Mostscientistscametoacceptthemeteoritetheoryafterevidencecametolightthatacircularformation,180kilometersindiameterandcenteredonthenorthcoastoftheYucatanPeninsula,wascreatedbyameteoriteimpactabout65millionyearsagoAYucatanPeninsula的大坑是隕石撞擊的結(jié)果。B選項(xiàng)與文章內(nèi)容相反，原文是highestiridiumconcentration；原文內(nèi)容是Short-termeffectmighthaveincludedhugetidalwaves，這里的意思是也許是隕石撞擊后也許有hugetidalwaves，只是猜測(cè)，沒(méi)有，排除C；D選項(xiàng)與原文內(nèi)容相反，在YucatanPeninsula的是支持隕石撞擊地Initiallythemeteoritetheorywasbasedonasinglelineofevidence,位到Mostscientistscametoacceptthemeteoritetheoryafterevidencecametolightthatacircularformation,180kilometersindiameterandcenteredonthenorthcoastoftheYucatanPeninsula,wascreatedbyameteoriteimpactabout65millionyearsago.在環(huán)形坑出現(xiàn)之后大多數(shù)的科學(xué)家才開(kāi)始接受隕石理論，可以推斷出石坑發(fā)現(xiàn)后，被大部分科學(xué)家接受。正確答案：依次填入第二個(gè)方框是this，與下文聯(lián)系的是thechemicalcompositionofancientrocks，只有[B]Atlocationsaroundtheglobe,…rocksthat