高考英语阅读理解(科普环保)试题经典及解析.doc

高考英语阅读理解(科普环保)试题经典及解析

一、高中英语阅读理解科普环保类
1．犇犇阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。
Throughoutmuchofhumanhistory,manhasbeenthemeasureofmany,ifnotall,things.Lengthsweredividedupintofeetandsmallerunitsfromthehumanhand.Othermeasureswereequallycharacteristic.Mediterraneantradersforcenturiesusedtheweightofgrainsofwheattodefine(定义)theirunitsofmass.TheRomansusedlibra,forerunnerofthepound,byreferringtotheweightofacarob(角豆树)seed.
Thesizesofsimilarlynamedunitscouldalsodiffer.Theking'sfoot,usedinFrancefornearly1,000yearsafteritsintroductionbyCharlemagneinaround790AD,was,at32.5cm,aroundacentimetershorterthantheBelgicfoot,usedinEnglanduntil1300.Greek,EgyptianandBabylonianversionsofwaterinafixedcontainervariedfromoneanotherbyafewkilos,Norwasthereagreementonsuchthingswithincountries.InFrance,wheretherewasnounified(统一的)measurementsystematthenationallevel,thesituationwasparticularlyterrible.Thelieue(formermeasureofdistance),forexample,variedfromjustover3kminthenorthtonearly6kminthesouth.
AlthoughJohnWilkins,anEnglishman,firstputforwardadecimalsystem(十进制)ofmeasurementin1668,itwastheFrenchwhoin1799madeitlaw.TheSystèmeInternationald'Unités(SI,orthemetricsystem,asitisbetterknown)developedfromitandbecametheofficialmeasurementinallcountriesexceptMyanmar,LiberiaandtheUnitedStates.NowtheInternationalBureauofWeightsandMeasuresinParisissettogivethemetricsystemitsbiggestshake-upyet.
AtameetinginVersailles,France,onNovember16th,2018,theworld'smeasurementbodiesarealmostcertaintoapproveadecisionthatwillmeanfouroutofthesevenbaseSIunits,includingthekilogram,willfollowtheotherthree,includingthemetre,inbeingredefinedintermsofthevaluesofphysicalconstants(物理常数).Eachofthechosenconstantshasbeenmeasuredincrediblyprecisely,whichwouldmeanthatfromMay20th2019theconstantswillthemselvesbefixedattheircurrentvaluesforever.Anylaboratoryintheworldwillthenbeabletomeasure,forexample,themassofanobjectaspreciselyastheaccuracyoftheirequipmentwillallow.
（1）WhatdoesParagraph1mainlytellus?
A.Poundwentbeforelibrainmeasurement.
B.D