专升本英语（阅读）模拟试卷8.pdf

专升本英语（阅读）模拟试卷8共（8

套）

共（151题）

专升本英语（阅读）模拟试卷第1套

一、阅读理解本（题共6题，每题1.0分，共6分。）

1、Theacquisitionofnewknowledgeaboutaproblemdoesnotalwayshelpscientists

solveit.Sometimesitcomplicatestheoriginalproblem.Astrikingexampleofthis

occurredwhenthefindingsoftheInternationalIndianOceanxpeditionwerereportedin

1962.Oceanographershavelongbeenperplexedbythefactthatthereissolittle

sediment沉（淀）onthefloorsoftheworldsoceans.Theircalculations,basedonthe

estimatedrateofsedimentaccumulationandonthetimethisprocesshashadtowork,

indicatethatthereshouldbealayerofsand,rockparticles,andorganicmatterfromtwo

totwoandone-halfmilesthickoverthebottomoftheseas.Theirfindingsoftheactual

thicknessofthesedimentlayer,however,haveindicatedthatitisnotmorethanafourth

ofthisdepth.（Someoceanographersbelievethedepositoforganicmaterialalone,falling

inwhattheycalltherainofdeathwouldhaveaccountedforthisamountofsediment.）

Thenin1962theexpeditionscientistsreportedthattheyioundthebottomoftheIndian

Oceanmuchrougherthanhadbeenthought.Totheoceanographers,thismeansthattheir

estimatesoftheactualthicknessofthesedimentlayerhavebeentoohigh.Thusitmaybe

thataneventhinnerlaterofsedimentexiststhanthatwhichoceanographershad

previouslyconsideredtoosmall.Thereportseemstoindicatethat.

A、previousestimatesofthethicknessofthesedimentlayerweretoolow

B、previousestimatesofthethicknessofthesedimentlayerweretoohigh

C、sedimentaccumulatesveryrapidly

D、thesedimentlayeriscomposedofpureorganicmatter

标准答案：B

知识点解析：暂无解析