属于渗透性泻药的是。

A、甘油
B、聚乙二醇4000
C、乳果糖
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正确答案:

C

答案解析:

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PartIReadingComprehension

Directions:Inthisparttherearefourpassages.Eachpassageisfollowedbyfourcomprehensionquestions.Readthepassageandanswerthequestions.ThenmarkyouranswerontheAnswerSheet.

Passage1

Questions1to5arebasedonthefollowingpassage:

Someyearsagothecaptainofashipwasveryinterestedinmedicine.Healwaystookmedicinebookstoseaandlikedtotalkaboutdifferentdiseases.

Onedayalazysailoronhisshippretendedtobeill.Helayonhisbunk(铺)andgroanedasifhewereverysick.Thecaptaincametoseehimandwasverypleasedtohaveapatienttolookafter.Hetoldthemantorestforafewdaysandmadetheothersailorsdohiswork.Threedayslateranothersailorpretendedthathehadsomethingwrongwithhischest.Oncemorethecaptainlookedinhismedicalbooksandtold“sick”mantohavearest.

Theothersailorswereveryangrybecausetheyhadmoreworktodo.Thepatientshadthebestfoodandlaughedattheirfriendswhenthecaptainwasnotlooking.Atlastthemate(船长副手)decidedtocurethe“sick”men.Hemixedupsomesoap,soot(烟灰),glue(胶水)andotherunpleasantthings.Thenheobtainedpermissionfromthecaptaintogivehismedicinetothe“sick”men.Whentheytastedthemedicine,theyreallydidfeelill.Itwassohorriblethatoneofthepatientsjumpedoutofhibunk,ranupondeskandclimbedthehighestmastontheship.Hedidnotwantanymoremedicine.

Thematetoldbothofthementhattheymusttakethemedicineeveryhalfanhour,nightandday.Thissooncuredthem.Theybothsaidtheyfeltbetterandwantedtostartwordagain.Thecaptainrealizedthatthementriedtodeceivehimsohemadethemworkveryhardfortherestofthevoyage.

1.Thefirstsailorpretendedtobeillbecausehewantedto.

A.testthecaptain’sknowledgeofmedicineB.befreefromwork

C.havethebestfoodontheshipD.playajokeonhisfriends

2.Whenthecaptainknewasailorwasill,he.

A.didn’tcaremuchB.sentforadoctor

C.lookedafterhimandtoldhimtohavearestD.gavehimsomemedicine

3.Thepatientsfeltbetterquicklybecause.

A.theyhadbeengivenpropermedicine

B.theylearnedthatthecaptainhadfoundoutthetruth

C.theywerelaughedatbytheirfriends

D.themedicinethemategavewashorrible

4.Whenthecaptainknewhehadbeendeceived,he.

A.toldthemnottodosoagainB.losthistemper

C.madethemworkharderD.firedthem

5.Whichofthefollowingbestsummarizesthepassage?

A.AsuddenCure.B.TwoPatients.C.CaptainandSailors.D.ADifficultVoyage.

Thebackgardenofourhousecontainsalawn,()verypleasanttositoninsummer.

A、whichis
B、whichitis
C、itis
D、whereitis

At______,photographyisachemicalprocess,duringwhichalight-sensitivematerialisalteredwhenexposedtolight.

A、itsmostbasic
B、itsbasic
C、themostbasic
D、thebasic

Whileintegrasedeletesanimmunecell'sgeneticmaterialandreplacesitwithitsown,itactslike________inawordprocessor.

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