高中英语下学期第9周周练题.docx

高中英语下学期第9周周练题.docx

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高中英语下学期第9周周练题

四川省宜宾市一中2017-2018学年高中英语下学期第9周周练题

第一节完形填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，从短文后所给各题四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

     WhilemyfriendandIwerehavinglunchtheotherday,aladyinawheelchairwaspushedbyawaitertothetablenexttous.Heputanaprononherand__1__heraplate.Wewere__2__thelunchandIalmostforgotthelady.But__3__somethingcaughtmyattention.Icouldn’t__4__butnoticethatshewasalone,andthatshewashavinga__5__timeeating.Shecouldhardlygetherforktohermouth.Ilookedatmy__6__.Anhourhadpassedandshewas__7__alone.

ShouldIsee__8__sheneededmyhelporwouldI__9__herifIoffered?

Hereweweresittingrightnexttohertalkingandlaughingwhileshe__10__tofeedherself.WhileIkeptuptheappearanceofajoyfultime,myheart__11__inside.

Afterlunch,wewalkedonpasther.Asweapproachedthe__12__,IknewIcouldn’tleaveallheralone__13__findingoutifIcoulddosomethingforher,soI__14__hertable.

“Excuseme,butI__15__youarealone.IwonderedifIcouldhelpyou?

”__16__shereplied,“I…Iwouldliketohaveadrinkofwater.”

I__17__glassandhelpedherputittoher__18__.Shesmiledandsaid,“Youareanangel.”

Ihaveneverthoughtofmyselfasanangel,butthesmileonherfaceandthe__19__inhereyestoldmewecouldallbeangelstosomeoneifwejustwon’twalkonbyasifwehaven’tseenaneed.Thebeautyofher__20__willstayinmyheartforever.

1Asold                   Bshowed                   Clent                 Dprepared

2Aordering            Benjoying                 Ccooking           Dbuying

3Asuddenly            Bimmediately            Cgradually         Dquickly

4Astand                 Bhelp                       Cwait                Dassist

5Agreat                 Bboring                    Cdifficult         Drelaxing

6Atable                  Bfood                       Cplate               Dwatch

7Astill                   Balso                        Ceven                Dalways

8Awhen                 Bif                           Chow                Dwhere

9Aembarrass          Bshock                     Cfrighten           Dconfuse

10Amanaged            Bcontinued               Cpretended        Dstruggled

11Aprayed               Bcried                      Cbeat                Dfailed

12Aexit                   Btable                      Cstreet               Drestaurant

13Aby                     Bwithout                  Cafter                Din

14Arushto               Bglancedat               Creturnto          Dsatat

15Asuggested           Bhoped                     Cnoticed            Dexpected

16ASeriously           BColdly                    CCuriously        DDoubtfully

17Apickedup           Bfoundout               Ccleanedup       Dtookout

18Aseat                   Bbag                        Clips                 Dhands

19Asorrow               Bsecret                     Cpower                    Dlight

20Apersonality         Bsmile                      Ckindness          Daction

第二部分阅读理解（共两节，满分40分）

第一节（共15小题；每小题2分，满分30分） 阅读下列短文，从每题所给的四个选项（A、B、C、D）中，选出最佳选项，并在答题卡上将该项涂黑。

A

Youmaythinkthatsailingisadifficultsport,butitisreallynothardtolearnit.Youdonotneedtobestrong.Butyouneedtobequick.Andyouneedtounderstandafewbasicrulesaboutthewind.

First,youmustaskyourself,“Whereisthewindcomingfrom?

Isitcomingfromaheadorbehindorfromtheside?

”Youmustthinkaboutthisallthetimeontheboat.Thewinddirectiontellsyouwhattodowiththesail.

Let’sstartwiththewindblowingfromthebehind.Thismeansthewindandtheboataregoinginthesamedirection.Thenyoumustalwayskeepthesailoutsidetheboat.Itshouldbeata90°angle（角度）totheboat.Thenitwillcatchthewindbest.

Ifthewindisblowingfromtheside,itisblowingacrosstheboat.Inthiscase,youmustkeepthesailhalfwayoutsidetheboat.Itshouldbeata45°angletotheboat. It needstobeoutfarenoughtocatchthewind,butitshouldn’tflap（摆动）.Itshouldn’tlooklikeonaflagpole.Ifitisflapping,itisprobablyouttoofar,andtheboatwillslowdown.

Sailingintothewindisnotpossible.Ifyoutry,thesailwillflapandtheboatwillstop.Youmaywanttogointhatdirection.Itispossible,butyoucan’tgoinastraightline.Youmustgofirstinonedirectionandtheninanother.Thisiscalledtacking.Whenyouaretacking,youmustalwayskeepthesailinsidetheboat.

21.Whatshouldyouconsiderfirstwhilesailing?

    A.Sailors’strength.                    B.Wavelevels.

    C.Winddirections.                     D.Sizeofsails.

22.Whatdoestheword“It”underlinedinParagraph4referto?

    A.Theboat.      B.Thewind.     C.Thesail.        D.Theangle.

23.Whatdoyouhavetodowhensailingagainstthewind?

    A.Moveinastraightline.           B.Allowthesailtoflap.

    C.Lowerthesail.                       D.Tacktheboat.

24.Wherecanyouprobablyfindthetext?

    A.Inapopularmagazine.           B.Inatouristguidebook.

    C.Inaphysicstextbook.             D.Inanofficialreport.

B

Medicaldrugssometimescausemoredamagethantheycure.Onesolutiontothisproblemistoputthedrugsinsideacapsule,protectingthemfromthebody—andthebodyfromthem—untiltheycanbereleasedatjusttherightspot.Therearelotsofwaystotrigger（引发）thisrelease,includingchangingtemperature,acidity,andsoon.Buttriggerscancomewiththeirownrisks---burns,forexample.Now,researchersinCalifoniahavedesignedwhatcouldbeaharmlesstriggertodate:

shiningnear-infraredlight（NIR，近红外钱）onthedruginthecapsule.

Theideaofusinglighttoliberatethedruginthecapsuleisn’tnew.Researchersaroundtheglobehavedevelopedpolymers（聚合物）andothermaterialsthatbegintobreakdownwhentheyabsorbeitherultraviolet（UV，紫外线）orvisiblelight.ButtissuesalsoreadilyabsorbUVandvisiblelight,whichmeansthedrugreleasecanbetriggeredonlyneartheskin,wherethelightcanreachthecapsule.NIRlightlargelypassesthroughtissues,soresearchershavetriedtouseitasatrigger.Butfewcompounds（化合物）absorbNIRwellandgothroughchemicalchanges.

ThatchangedlastyearwhenAdahAlmutairi,achemistattheUnviersityofCalifornia,SanDiego,reportedthatsheandhercolleagueshaddesignedapolymerthatbreaksdownwhenitabsorbsNIRlight.TheirpolymerusedacommerciallyavailableNIR-absorbinggroupcalledo-nitrobenzyl（ONB）.Whentheycatchthelight,ONBgroupsfalloffthepolymer,leadingtoitsbreakdown.ButONBisonlyaso-soNIRabsorber,anditcouldbepoisonoustocellswhenitseparatesfromthepolymer.

SoAlmutairiandhercolleaguesreportedcreatinganewmaterialforcapsulesthat’sevenbetter.Thisoneconsistsofalongchainofcompoundscalledcresolgroupslinkedinapolymer.Cresolcontainsreactive（易反应的）componentsthatmakeithighlyunstableinitspolymericform,afeatureAlmutairiandhercolleaguesusetotheiradvantage.Afterpolymerizingthecresols,theycapeachreactivecomponentwithalight-absorbingcompoundcalledBhc.WhentheBhcsabsorbNIRlight,thereactivecomponentwithalight-absorbingcompoundcalledBhc.WhentheBhcsabsorbNIRlight,thereactivegroupsareexposedandbreakthelongpolymerintotwoshortchains.Shiningadditionallightcontinuesthisbreakdown,potentiallyreleasinganydrugsinthecapsule.What’smore,Almutairisays,Bhcis10timesbetteratabsorbingNIRthanisONBandisnotpoisonoustocells.

25.Accordingtothepassage,whichofthefollowingcouldbethebesttrigger?

 A.Temperaturechange  B.NIRlight.

 C.Aciditychange.      D.UVlight.

26.WhyisONBunsatisfactory?

  A.ItbreaksdownwhenitabsorbsNIRlight.

  B.Itfallsoffthepolymerandtriggersdrugrelease.

  C.Ithasnotcomeontothemarketuptillnow.

  D.Itisnoteffectiveenoughandcouldbepoisonous.

27.Whichwordcanbeusedtocompetethefollowingprocessofchanges?

BhcsabsorbNIR.

Partofthecresolis______

Polymerbreaksdown.

Drugisreleased.

    A.protected   B.formed     C.exposed      D.combined

第二节：

补全短文（每小题2分，共10分）（考点：

理解文章基本结构，做出简单归纳，判断推理）

    Effectivetimemanagementistheprimarymeanstoalessstressfullife.Highschool,especiallyduringyoursenioryear,canbefrustrating（令人沮丧的）.Thisisthetimeofyourlifewhenyouarepreparingyourselfforcollegeandtherealworld. 28

●Planeachday.

Planningyourdaycanhelpyouaccomplishmoreandfeelmoreincontrolofyourlife.Writeato-dolist,puttingthemostimportanttasksatthetop. 29

●Prioritize（按重要性排列）yourweeklyscheduleasastudent.

Prioritizingtaskswillensurethatyouspendyourtimeandenergyonthosethataretrulyimportanttoyou. 30 Friendswillwanttohangoutwithyouontheweekends,buttheywillunderstandifyouexplaintothemthatyouneedtostudyorcatchuponcollege-relatedwork.

● 31

Keepadiaryofeverythingyoudoforthreedaystodeterminehowyouarespendingyourtime.Lookfortimethatcanbeusedmorewisely.Forexample,ifyoutakeabustoschool,youcanusethetimetocatchuponreading.Thus,youcanfreeupsometimetoexerciseorspendwithyourfamilyorfriends.

●Getplentyofsleep,eatahealthydietandexerciseregularly.

32 Itwillhelpimproveyourefficiencysothatyoucancompleteyourworkinlesstime.

A.Ahealthylifestylec