高考英语二轮专题复习提高训练阅读理解2.docx

高考英语二轮专题复习提高训练阅读理解2.docx

《高考英语二轮专题复习提高训练阅读理解2.docx》由会员分享，可在线阅读，更多相关《高考英语二轮专题复习提高训练阅读理解2.docx（8页珍藏版）》请在冰豆网上搜索。

高考英语二轮专题复习提高训练阅读理解2

阅读理解

Simplybyanalyzingadropofblood,adoctorwillbeabletodiagnoseabirthdefectorevencancerwhenitisintheearlystage;usingnewtechnology,amateriallighterbutmuchstrongerthansteelcanbeproduced.

Thesemaysoundlikedreamsatpresent.Butthedreamsmaysooncometrueasresearchfindingsinlaboratoriesarebeingturnedintoproductsmorerapidlyinthenewcentury,accordingtoexpertsparticipatinginthefourthAsia-PacificEconomicCooperation（APEC）Technomart,atechnologyexhibitionandtradefairinSuzhou.　　

"Mostpeoplethinknano-technology（纳米技术）istoofar-fetchedtobereal.Butinfactnano-technologyhasbeenappliedinawiderangeoffields,suchasmedicine.Itiscomingintoourdailylife,"saidChengJiachongfromaHongKong-basednano-technologyfirm.

Nano-technologybasedonthenanometer,theunitofwhichisabillionthofameter,enablesscientiststohavenewconceptsofdiseasediagnosisandtreatmentonamolecular（分子）andatomicscale,Chengsaid.　　

Byusingnanometerparticles,adoctorcanseparatethefetuscells（胚胎细胞）fromthebloodofapregnantwomantoseeifthedevelopmentofthefetusisnormal.Thismethodisalsobeingusedintheearlydiagnosisofcancerandheartdisease,hesaid.　　

Oneofthemostsignificantimpactsofnano-technologyisatthebio-inorganicmaterialsinterface,accordingtoGregTegart,executiveadvisoroftheAPECCenterforTechnologyForesight.　　

"Bycombiningenzymes（酶）andsiliconchipswecanproducebiosensors.Thesecouldbeimplantedinhumansoranimalstomonitorhealthandtodelivercorrectivedoses（剂量）ofdrugs,"hetoldtheparticipantsatechnologyforumduringtheexhibition.　　

"Nano-technologycouldaffecttheproductionofnearlyeveryman-madeobject,fromautomobiles,tiresandcomputercircuits（电路）,toadvancedmedicinesandtissuereplacement,andleadtotheinventionofobjectsyettobeimagined,"saidDavidMinns,aspecialadvisortotheNationalResearchCouncilofCanada.　　

Ithasbeenshownthatcarbonnano-tubesaretentimesasstrongassteel,withonesixthoftheweight,andnano-scalesystemshavethepotentialtomakesupersonictransportcost-effectiveandtoincreasecomputerefficiencybymillionsoftimes,hesaid.

TheexpertsagreedthattheAPECtechnologyexhibitionandtradefairprovidedmanychancesforexchangesofinnovativeideasandproducts.

45.Realizationofthedreamsmentionedinthefirstparagraphwillmainlybaseon________.

A.APECB.Chinesescientist

C.theAPECCenterforTechnologyForesightD.Nano-technology

46.Thelengthofananometerequalsto______.

A.meterB.meterC.meterD.meter

47.WecanimplyfromwhatDavidMinnssaidthat_________.

A.Nano-technologycouldonlybeusedtoinventnewobjects.

B.Nano-technologycouldbewidelyusedtoproduceorinventobjects.

C.Nano-technologyisamoney-consumingtechnology.

D.Nano-technologycannotbeusedtoimprovetheserviceofInternet.

48.Comparedtosteel,carbonnano-tubesare________.

A.strongerandlighterB.lighterbutasstrong

C.strongerbutaslightD.poorinquality

Servingonlyadults,RamseyHouseoffersyouprofessionalhotelstandardsofaccommodationandfoodservicecoupledwiththefriendly,relaxedatmosphereofahigh-classnon-smokingguesthouse.

SituatedwithinwalkingdistanceofStDavid’s,thesmallestcityinEurope,thehousestandsinitsownattractivegardensandhasprivateoff-roadparking.Intheoppositedirection,thereiseasyaccesstothePembrokeshireCoastPath,whereyoucanseesomeofBritain’smostspectacularcoastalscenerywithitsabundantbirdlifeandwildflowers.

Wehavethreedoubleandthreetwinrooms.Eachisindividuallyfurnishedanddecoratedto4-starstandardwithcomfortablebeds,centralheating,remotecontrolcolorTV,hairdryersandplentyofmirrors.Alltheroomshaveamodern,well-liten-suitebathroomwithWC,shaversocketandelectricshower.

Allfirst-floorroomshaveviewsofeitherthesea,theCathedraloropencountry,andtherearethreeground-floorroomswithgardenviews,idealforguestsunabletoclimbstairs.

OurfullWelshbreakfastoffersyouagreatstarttothedaywithhomemadebread,cookiesandpreserves.WecanalsopreparefreshpicniclunchesforyourdayoutwalkingtheCoastPathoronthebeaches.

ThereiscomfortableloungewithlotsofbooksandleafletsaboutPembrokeshiretohelpyouplanyourtrips.Weatherpermitting,guestsmayenjoythepeaceandquietofourgardensandwatchthebirdsfeeding.Drinksareservedinboththegardenandlounge.

Wealsohavesecurebicyclestorage,adryingroomandlightlaundryfacilities.

NearbyaresomeofthesafestandcleanestbeachesinEuropeofferingavarietyofwatersportsincludingsailing,surfing,wind-surfingandseaangling.VisitorsarewelcomeatSt.