黑龙江省哈尔滨市学年高二英语阶段性测试试题Word文件下载.docx
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黑龙江省哈尔滨市学年高二英语阶段性测试试题Word文件下载.docx
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A
Crossingyourlegsisanextremelycommonhabit;
mostpeopledon’tevennoticethatthey’redoingitwhentheysitdown.Whileyoumayfinditcomfortabletositwithonekneecrossedovertheother,itmightbecausinghealthproblemsthatyouarenotawareof.
AstudypublishedinBloodPressureMonitoringstatedthatsittingwithyourlegscrossedcanincreaseyourbloodpressure.Thereasonthishappensisbecausethebloodinyourlegshastoworkagainstgravitytobepumpedbacktoyourheart,crossingonelegovertheotherincreasesresistance,makingitevenharderforthebloodtocirculate.Thiscausesyourbodytoincreaseyourbloodpressuretopushthebloodbacktotheheart.Youwon’tfeelanyimmediateeffects,butifyousitforlongperiodsoftimeit’simportantthatyoutakenoteofhowlongyouhaveyourlegscrossedfor.Youshouldn’thaveyourlegscrossedformorethan15minutes,andit’simportantthatyougetupandwalkaroundatleastonceeveryhour.
Crossingyourlegscanalsoleadtoneckandbackpain.Ideally,it’sbestforourbodiestositwithourfeetplantedflat,hipwidthapart,onthefloor,butit’snoteasytomaintainperfectposturealldayattheoffice.
Youalsomightnoticethatwhenyousitwithyourlegscrossedforlongperiodsoftimeyourfeetandlegsgettingly(刺痛的)orhavethefeelingofbeingasleep.Whilethefeelingofdiscomfortmayonlylastaminuteortwo,repeatedlycrossingyourlegsuntiltheyfeelnumbcancausepermanentnervedamage.
Sonexttimeyousitdown,trytogetyourselfinthehabitofsittingwithbothofyourfeetonthefloor.Notonlywillithelpyourpostureandstability,butitwillalsosaveyourhealthinthelongrun.
1.Crossinglegsaffectyourbloodpressurebecause___________.
A.itcausesyourbodytopushthebloodbacktotheheart.
B.youcannotfeelanyimmediateeffects.
C.itisharderforthebloodtocirculate.
D.youdon’thaveenoughtimetowalkaround.
2.Tosolvetheproblemscausedbycrossinglegs,you’dbetter_______.
A.sitwithyourfeetplantedflatonthefloorforhours.
B.keepyoursittingpostureandstabilitypermanently.
C.trytobeawareofwhetheryouarecomfortableornot.
D.payattentiontohowlongyouhaveyourlegscrossedfor.
3.Whichwordcannotdescribethefeelingwhenyoucrossyourlegsforalongtime?
A.tiredB.nervousC.numbD.painful
B
IfyouhaveachancetogotoFinland,youwillprobablybesurprisedtofindhow“foolish”theFinnishpeopleare.
Takethetaxidriversforexample.TaxisinFinlandaremostlyhighclassBenzwithafareoftwoUSdollarsakilometer.Youcangoanywhereinone,tellthedrivertodropyouatanyplace,saythatyouhavesomebusinesstoattendto,andthenwalkoffwithoutpayingyourfare.Thedriverwouldnotshowtheleastsignsofanxiety.
Thediningroomsinallbighotelsnotonlyservetheirguests,butalsoserveoutsidediners.Hotelguestshavetheirmealsfree,sotheynaturallygotothefreediningroomstohavetheirmeals.Themosttheywoulddotoshowtheirgoodfaithistowavetheirregistrationcardstothewaiter.Withsuchaloosecheck,youcaneasilyuseanyoldregistrationcardtotakeacoupleoffriendstodinefreeofcharge.
TheFinnishworkersarepaidbythehour.Theyareverymuchontheirownassoonastheyhaveagreedwiththebossattherate.Fromthenontheyjustsayhowmanyhourstheyhaveworkedandtheywillbepaidaccordingly.
Withsomanyloopholes(漏洞)ineverydaylife,surelyFinlandmustbeaheaventothosewholovetotake“petty_advantages”.Butthestrangethingisthatallthetaxipassengerswouldalwayscomebacktopaytheirfaresaftertheyhaveattendedtotheirbusinessandthatnotasingleoutsiderhaseverbeenfoundinthefreehoteldiningrooms.Andworkersalwaysgiveanhonestaccountoftheexacthourstheyputin.AstheFinnsalwaysactongoodfaithineverythingtheydo,livinginsuchasocietyhasturnedeveryoneintoareal“gentleman”.
4.TheunderlinedwordsinParagraph5meansto“________”.
A.bereadytohelpothers
B.makegooduseofone'
sfriends
C.bealittleaheadofothers
D.gainsomethingatothers’expense
5.WhichofthefollowingisNOTtrueaccordingtothepassage?
A.WhiletakingataxiinFinland,youcangetoffwithoutfirstpayingyourfare.
B.InabighotelinFinland,youcanenjoyfreemealsifyou'
relivinginthehotel.
C.ThebossesinFinlandpaytheemployeesaccordingtotheregistrationoftheirworkinghours.
D.Theworkersarealwayshonestwiththeirworkinghours.
6.Wecanlearnfromthepassagethat________.
A.theFinnishsocietyisofveryhighmoral(道德的)level
B.therearemanyloopholesineverydaylifeinFinland
C.inFinland,mosttaxidriverswillnotchargeyouanything
D.everyoneinFinlandislikeagentleman,fortheyhavefaithinthemselves
7.Whichofthefollowingisthebesttitleofthepassage?
A.LifeinFinland
B.ASocietywith“Foolish”People
C.WhataLife
D.HonestaccountsoftheFinns
C
Findingfruitsandvegetablesatyourtypicalgrocerystorethathavebeengrownwithouttheextensiveuseofpesticidescanbedifficult.Fortunately,TheEnvironmentalWorkingGroup(EWG)hasdonealloftheworkforyouinfindinghealthyandpesticide-freeproduce.
EWGhascreatedthe2018Shopper'
sGuidetoPesticidesinProduce,whichhelpsshopperstofinduncontaminatedproduce.Manyconsumersdonotrealizethatpesticideresidues(残留)areverycommononconventionallygrownproduceproducts,evenaftertheyhavebeenwashedorpeeled.Becauseofthis,EWGhascreatedtheirseriesofguidestoleadconsumerstosaferfoodchoices.
Inordertocreatetheseguides,EWGanalyzedtheUSDApesticidestests,whichfoundatotalof230differentpesticidesandpesticidesbreakdownproductsonthousandsofproducesamples.Analyzingthisinformation,EWGobservedthebigdifferencesoftheamountofpesticidesfoundfromproducttoproduct.
Theguide'
stwomaincomponentsaretwocompiledlistshighlightingthecleanestanddirtiestproduceconcerningpesticides.Thesetwolists,DirtyDozenandCleanFifteen,showconsumershowcertainfoodscontinuetocarrytraceamountsofpesticideswiththemallthewaytothegrocerystoreshelves,whileothersmakeittoyourkitchenvirtuallypesticide-free.
Someofthehighlightsfromtheiranalysesincludedthefollowingfindings:
Morethanone-thirdofstrawberrysamplesanalyzedin2016contained10ormorepesticideresiduesandbreakdownproducts.
Spinach(菠菜)sampleshad,onaverage,almosttwiceasmuchpesticideresiduebyweightcomparedtoanyothercrop.
NosinglefruitsamplefromtheCleanFifteentestedpositiveformorethanfourpesticides.
“WithEWG'
sguide,consumerscanfilltheirfridgesandfruitbowlswithplentyofhealthyconventionalandorganicproducethatisn'
tcontaminatedwithmultiplepesticideresidue,”saidSonyaLunder,asenioranalystinEWG.
Only25yearsago,theNationalAcademyofSciencesraisedconcernsaboutexposuretopoisonouspesticidesinourfood,yetconsumersstillconsumeamixtureofpesticideseverydayinAmerica.
8.WhydidEWGcreatethe2018Shopper'
sGuidetoPesticidesinProduce?
A.ToanalyzetheUSDApesticidestests.
B.Toadvertiseorganicproduce.
C.Towarnsomefoodcompanies.
D.Tohelpconsumersmakesaferchoices.
9.WhatistheresultfromtheanalysisoftheUSDApesticidestests?
A.Allthesamplesarepolluted.
B.230pesticidesarebanned.
C.Pesticideamountsvaryinproducts.
D.Allstrawberriesarepoisonous.
10.Whereareshoppersmostlikelytofindspinach?
A.DirtyDozenlist.B.Organicfoodadvertisement.
C.CleanFifteenlist.D.Saferfoodlist.
11.Whatcanbeinferredfromthelasttwoparagraphs?
A.Allconventionalproduceissafe.
B.Nopesticideswereusedoncrops25yearsago.
C.Consumersneverworryaboutpesticides.
D.Producesafetyremainsaproblem.
D
AfterphotographerMonniMust’sdaughterMiyadied,thesadmotheradoptedherblackdog,BillyBean.AsBillybecameincreasinglyweak,thethoughtofitsdyingwasjustmorethanMustcouldhandle.Soshedecidedtoclonethedog.“IfearedeveryonewasgoingtoforgetMiya,”shesaid,“andmyotherdaughtersthoughtIhadcompletelylostmymind.”
Billy'
scellswereshippedtoViaGenPets,aTexascompanythatprovidesthecloningservice.Withmorethan$50,000,Mustpickedupanewpuppy.“Thedoghasarealsoulandiseverythingmydaughterwas—fun,socialandkind,”shesaid.“IfeelthatIstillhavethattouchableconnectionandnotjustaspiritualconnection.”
Cloninganimalsishardlynew.ButtherecentnewsthatsingerBarbraStreisandhadclonedherdoggrabbedinternationalheadlines.PeoplefortheEthicalTreatmentofAnimals(PETA)presidentIngridNewkirkissuedastatementsayingshewouldlovetotalkheroutofcloning,notingthatmillionsofwonderfuldogsaregettingoldinanimalshelterseveryyearordyinginterrifyingwayswhenabandoned.
Normally,adoctortakesatissuebiopsy(组织活检),apieceofskinandmuscleaboutthesizeofapencileraser,fromthedog.Thenextstepistotakeaneggcellfromadonordog,removetheegg’snucleus,andinsertDNAfromthepettobecloned.Whenanembryo(胚胎)develops,itistransplantedinthebodyofamotherdog.
Inthebasiccloningprocedure,scientiststakeanentireadultcellandputitintoaneggthat’sbeenrelievedofitsownDNA.Theresultingembryoisaclone.However,inmanyanimals,onlyonein100clonedembryoseverleadstoalivebirth.SomeembryosdieintheIVFdishorinthemothersbodies.Ofthosethatareborn,afewsufferfromabnormalitiesandquickly
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