阅读理解

Mostpeoplehavehadadogorwantedoneastheircompanionatsometimeintheirlives.Ifyouarethinkingofbuyingadoghoweveryoushouldfirstdecidewhatsortofcompanionyouneedandwhetherthedogislikelytobehappyinthesurroundingsyoucanprovide.Specialists'adviceisusefultohelpyouchoosethemostsuitablekindofdog.Butinpartthedecisiondependsoncommonsense.Differentdogswereoriginallydevelopedtoperformspecifictasks.Soifyouwantadogtoprotectyouoryourhouseforexampleyoushouldchoosetheonethathastherightsizeandcharacteristics.Youmustalsobereadytodevoteagreatdealoftimetotrainingthedogwhenitisyoungandgiveittheexerciseitneedsthroughoutitslifeunlessyouliveinthecountrysideandcanletitrunfreely.Dogsaredemandingpets.Catslovethehouseandsoaresatisfactorywiththeirplacewhereitissecurebutadogisloyaltoitsmasterandconsequentlywantshimtoshowproofofhisaffection.Thebesttimetobuyababydogiswhenitisbetween6and8weeksoldsothatitcantransferitslovefromitsmothertoitsmaster.Ifbabydogshavenotestablishedarelationshipwiththehumanbeinguntiltheyareoverthreemonthsold，theirstrongrelationshipwillalwaysbewithdogs.Theyarelikelytobeshywhentheyarebroughtoutintotheworldtobecomegoodpets.

1．WhichofthefollowingisNOTtrueaccordingtothepassage?

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A．Youcanalwaysgethelpfromthespecialists.

B．Itiscommonsensethatisthemostimportantwhenchoosingadog.

C．Youshoulddecidewhatkindofdogyouwant.

D．Sizeandcharacteristicsofthedogsshouldbeconsideredtoo.

2．Whatismentionedasaconsiderationinbuyingadog?

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A．Thecolorofthedog.

B．Thepriceofthedog.

C．Whetherthedogwillfittheenvironment.

D．Whetherthedogwillgetalongwiththeotherpetsinthehouse.

3．Whydoesthewritersayadogisamoredemandingpetthanacat?

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A．Itmustbetrainedsothatitwon'tbite.

B．Itdemandsmorefoodandspace.

C．Itneedsmore10veandcare.

D．Itmustbe100kedaftercarefully.

4．Whyisitadvisedtobuyababydogunderthreemonthsold?

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A．It