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1、逻辑推理（logicalreasoning）[1]Beijingisacitywithseriousshortageofwaterresources,butthepriceofwaterhasbeenlowforalongtime.Accordingtothelawofvalue,thegovernmentofBeijingrecentlyproposedtoraisethewaterprice,whichwillplayasignificantroleinsavingthewaterresourcesinthecity.Iftheabovecon
2、clusionistrue,whichofthefollowingitemsmustbetrue?.1)aconsiderableamountofwaterwasteiscausedbythelowpriceofwater2)theriseinthepriceofwaterisenoughtocauseeconomicpressureontheusersofwaterusers3)therisingpriceofwaterwillnotcausethedissatisfactionofusersA.[1],[2]B.[1],[3]C.[2],[3]
3、D.[1],[2]and[3]Accordingtothebirthrateofthebabyboy,2andadebatestarted.A:demographyfindsarule:innewbornbabies,thebirthrateofboysisalwaysswingingat22/43,not1/2.B:No,manydatashowthatmostcountriesandregions,suchastheSovietUnion,Japan,theUnitedStates,theFederalRepublicofGermany,and
4、China'sTaiwanProvince,aremorewomenthanmen.Itcanbeseenthatitisuntenabletothinkthatthebirthrateofmalebabiesfluctuatesat22/43.TrytoanalyzethedialoguebetweenaandB,andpointoutwhichofthefollowingoptionscanexplainthelogicalerrorofaorB.A.saidastatisticallawdoesnotexistThestatisticalin
5、vestigationofB.AisnotinconformitywithscienceTheinformationofC.BisunbelievableD.Bconfusestheconcept[problem3]peoplearesurprisedattheamountofmoneywastedongadgetsandgadgetsthatarealmostneverused.Forexample,mybrotherboughtanelectronicicecreammakerfor$100twoyearsago,andheonlyusedit
6、3timestoday.Andheinsistedthat,regardlessofhowmuchheusedtheicecreammachine,thisinvestmentwouldbecost-effective,because().A.icecreampriceswillriseinthefutureB.heboughtthisicecreammachinetogettheconveniencethathecouldusewhenneededC.savesalotofelectricitybecauseofthelowfrequencyof
7、useD.becauseofinflation,today's100yuanisnotasvaluableasitwastwoyearsago[4]October1987,theU.S.stockmarketpricesplummeted.Intheweeksafterthecrash,thevolumeofstocktradingdeclinedsharply,muchlowerthanthepreviousyear'stradingvolume.However,thevolumeofstocktradingin1987wasalmostthes
8、ameasthatofthepreviousyear.Visible().A.foreigninvestorsoftenb
