tabout11pounds,Or5%oftheirbodyweight.Theirdogsdidevenbetter,losinganaverageof12pounds,morethen15%oftheirbodyweight.Dogownersdidn’tloseanymoreweightthanthosewithoutdogsbut,sayResearchers,gotmoreexerciseoverall–mostlywiththeirdogs–andfounditworthdoing.67.Whatdoesthetextmainlydiscuss?A.WhatpetsbringtotheirownersB.HowpetshelppeoplecalmdownC.people’sopinionsofkeepingpetsD.Pet’svalueinmedicalresearch68.Welearnfromthetextthatapersonwithheartdiseasehasabetterchanceofgettingwellif____________A.panionB.hehaslessstressofworkC.heoftendosementalarithmeticD.heistakencareofbyhisfamily69.AccordingtoAllen,whydidthepeopledobetterwithpetsaroundwhenfacingstressfultasks?A.Theyhavelowerbloodpressure.B.emorepatient.C.Theyarelessnervous.D.Theyareinhigherspirits.70.Theresearchmentionedinthelastparagraphreportsthat
全文预览
