- HumanLifeLikeaPoemIthinkthat,fromabiologicalstandpoint,humanlifealmostreadslikeapoem.Ithasitsownrhythmandbeat,itsinternalcyclesofgrowthanddecay.Noonecansaythatalifewithchildhood,manhoodandoldageisnotabeautifularrangement;thedayhasitsmorning,noonandsu...
- 27962
- Theotherday,aprofessorfromPekingUniversitygavealecture“ChineseIntellectualsandWrittenCulturalText”.Inhislecture,heheldthatChineseintellectualshavelostthewrittenculturaltextsincetheMay4thmovement.Hisopinionsetusthinkingthatthelossoftraditionalhumane...
- 18667
- ithasbeenestimatedthatathousandyearsagotherewerelessthan400millionpeopleonearth。today,however,theworld'spopulationhasamountedto5,000million。whatisworse,itkeepsgrowingatasurprisingspeed。ifthistrendcontinues,theworld'spopulationwillshootupto7,000millionbyth...
- 25357
- Thequalityofhumanlifehasimprovedgreatlyoverthepastfewcenturies,butEarthisbeingharmedmoreandmorebyhumanactivity.Aswedevelopourtechnology,wedemandmorefromourplanet.Eventually,thiswillharmpeopleaswell.Ourplanetgivesuseverythingweneed,butnaturalresources...
- 24520
- Ithinkthat,fromabiologicalstandpoint,humanlifealmostreadslikeapoem.Ithasitsownrhythmandbeat,itsinternalcyclesofgrowthanddecay.Itbeginswithinnocentchildhood,followedbyawkwardadolescencetryingawkwardlytoadaptitselftomaturesociety,withitsyoungpassionsan...
- 12777
- DoyouknowThanksgivingDay?DoyouknowwhyhumanthankGod?ThanksgivingfallsonthefourthThursdayofNovember,adifferentdateeveryyear.ThePresidentmustproclaimthatdateastheofficialcelebration.Thanksgivingisatimefortraditionandsharing.Eveniftheylivefaraway,familym...
- 17038
- Imaginetheevolutionaryadvantageofbeingabletohearapredatorrustlinginthetallgrassnearby—orintheabilitytohearacomrademakinga(makeatitchsound,likecallingahorse)soundtowarnyouaboutthatpredator.Nowastudyfindsthatearlyhumanspeciesmayhavehadsharperhearingin...
- 29908
- 提纲1.科学使人类进步,生活得更美好。2.科学有时也会带来负面效应,如原子能毁掉一切。3.就科学与人类的关系谈谈你的观点。Scienceenableshumanbeingstoprogressrapidlyandleadabetterlife.Forexample,Edison'sinventionofthelightbulbbroughtourgloomylifetotheendandcreat...
- 2665
- nature,theenvironmentwhichhumanbeingsliveby,ismagnificentandunique.theresionlyoneearthwithsuperlivingconditionsintheuniverse.weshouldhavecherishednatureandpreservedit.conversely,however,wehavebeencontinuallyspoilingit,eventoashockingdegree.nowletssee...
- 3469