问题描述：
IncreasinglyAmericansarebecomingtheirowndoctorsbygoingonlinetodiagnosetheirsymptomsorderhomehealthtestsormedicaldevicesorevenself-treattheirillnesseswithdrugsfromInternetpharmacies(药店).Someavoiddoctorsbecauseofthehighcostofmedicalcareespeciallyiftheylackhealthinsurance.Ortheymaystaybecausetheyfinditembarrassingtodiscusstheirweightalcoholconsumptionorcouchpotatohabits.Patientsmayalsofearwhattheymightlearnabouttheirhealthortheydistrustphysiciansbecauseofnegativeexperiencesinthepast.Butplayingdoctorcanalsobeadeadlygame.
EverydaymorethansixmillionAmericansturntotheInternetformedicalanswers–mostofthemaren’tnearlyskepticalenoughofwhattheyfind.A2002surveybythePewInternet&AmericanLifeProjectfoundthat72percentofthosesurveyedbelieveallormostofwhattheyreadonhealthwebsites.Theyshouldn’t.Lookup“headache”andthechancesoffindingreliableandcompleteinformationfreefromamotivationforcommercialgainareonlyoneintenreportsanApril2005BrownMedicalSchoolstudy.Ofthe169websitestheresearchersratedonly16scoredas“highquality”.RecentstudiesfoundfaultyfactsaboutallsortsofotherdisorderscausingoneresearchteamtowarnthatalargeamountofincompleteinaccurateandevendangerousinformationexistsontheInternet.
Theproblemismostpeopledon’tknowthesafewaytosurftheWeb.“TheyuseasearchenginelikeGoogleget18trillionchoicesandstartclicking.Butthat’sriskybecausealmostanybodycanputupasitethatlooksauthoritative(权威的)soit’dhardtoknowifwhatyou’rereadingisreasonableornot”saysDr.SarahBassfromtheNationalCancerInstitute
1.AccordingtothetextanincreasingnumberofAmerican_____
A.aresufferingfrommentaldisorders
B.turntoInternetpharmaciesforhelp
C.liketoplaydeadlygameswithdoctors
D.areskepticalaboutsurfingmedicalwebsites
2.SomeAmericansstayawayfromdoctorsbecausethey_____
A.findmedicaldeviceseasytooperate
B.prefertobediagnosedonlinebydoctors
C.areafraidtofacethetruthoftheirhealth
D.areafraidtomisusetheirhealthinsurance
