参考答案1-5CACAD6-10BBDCA11-13BDC14-16BCC17-20CBAB21.arrived22.torecord23.collecting24.bigger25.wasechoed26.When/While27.how28.yourself29.which30.can31-35AKHDE36-40BJICG41-45ACDCB46-50ACDBA51-55ADCDA56-59BCCA60-62BDC63-66CBBD67-70CBFD71.PayingchildrenallowancesforchoresisquitecommoninAmerica.However,criticsholdthatchoresarenecessaryforthemaintenanceofhouscholdandthattheyshouldn'tbetiedtopayment.Incontrastwithmanyothercultures,wherechildrenareinvolvedinhouseworkatearlyageswithoutpayment,criticsproposeAmericansshiftingfromfinancialincentivestointrinsicmotivationforhousehold（上海高中学习指导整理）contributions.72.(3分)Maryputawaytheunnecessaryitems(soas)togetreadyforclass.73.(3分)Hewassonervousin/duringtheexamthatthewordescapedhimcompletely.74.(4分)Throughheavyexposureto/Exposedalottolocalpeople'sspeech/language,Johnacquired/pickedupthelocalaccentbeforeherealizedit.75.(5分)Whenwedeliver/postinformationontheInternet,it'sessentialtoconsideritspotentialconsequences,ascertaindetailsarelikelytobemisinterpretedoroverstatedbythemedia.