160.Thereisnodenyingthatambienttemperatures(环境温度)havechangedinthepastfewdecades.译文 不可否认,在过去的几十年内,我们周围的温... [查看全文]
159.Askanyonewhythereisanobesityepidemicandtheywilltellyouthatit'salldowntoeatingtoomuchandburningtoofewcalories.译文 随便问... [查看全文]
159.Askanyonewhythereisanobesityepidemicandtheywilltellyouthatit'salldowntoeatingtoomuchandburningtoofewcalories.译文 随便问... [查看全文]
158.Inkeepingwiththeautomotiveworld'shottestconsumertrend,maybeit'sbesttocharacterizeitasahybrid(混合动力汽车):anexpensive... [查看全文]
157.Aswithautomobiles,consumersintoday'scollegemarketplacehavevastchoices,andpeoplesearchfortheonethatgivesthemthemostcomforta... [查看全文]
156.A2008studybytwoHarvardeconomistsnotesthatthe"labor-marketpremiumtoskill"—ortheamountcollegegraduatesearnedthat'sgreaterth... [查看全文]
155.Buteconomistssayfamiliesabouttogointodebttofundfouryearsofpartying,aswellasstudying,canconsolethemselveswiththeknowledgethatco... [查看全文]
154.Ofcourse,likeeveryotherenvironmentalissuetoday,thisisplayingoutagainstthebackgroundofglobalwarmingandhumaninterferencewithnatu... [查看全文]
153.Trawlers(whichdraglargenetsthroughthewaterandalongtheoceanfloor)andlonglinefishers(whichcandeploythousandsofhooksonlinesthatca... [查看全文]
152.ButNatureisindifferenttohumannotionsoffairness,andareportbytheFishandWildlifeServiceshowedaworrisomedropinthepopulationsofseve... [查看全文]