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简介：我们有句俗话说：笑一笑，十年少!笑使人年轻，使人开朗，使人豁达。在医学界，笑已经作为一种治疗的手段……LaughterIstheBestMedicine.不再仅仅是西方的一句谚语。

简介：Ifyouarelikemostpeople.yourintelligencevariesfromseasontoseason.Youareprobablyalotsharperinthespringthanyouareatanyothertimeofyear.Anotedscientist,EllsworthHuntington(1876-1947),concludedfromothermen’sworkandhisownamongpeoplesindifferentclimatesthatclimateandtemperaturehaveadefiniteeffectonourmentalabilities.

简介：青蛙和其它两栖动物的数量在世界范围内不断减少，但是科学家们对它们数量减少的原因并不十分清楚。本文给出了某种青蛙数量减少的原因，原因很简单，被它们的天敌吃掉了。

简介：IntroductionAtextbookwillneverbeperfect.Whenwriterswriteaparticularbook,theyusuallyhavealargegroupoflearnersinmindandtrytomeettheselearners’generalneeds.However,differentlearnerslearndifferentthingsfordifferentpurposes,andatextbookmaybemoreappropriateforonegroupoflearnersthananother.Therefore,adaptationandsupplementationofatextbookisnecessarywhentryingtoharmonisecourseobjectivesandreasonsforlearnersstudyingEnglish.

简介：父亲身患绝症，每况愈下。但他以无畏的气魄、宽大的胸怀、独特的方式面对死神的来临，用行动唤起儿女对生活的热爱。对事业的追求，对未来的憧憬。

简介：WhenIturned40,myhusbandstagedasurprisepartyforme.I'llneverforgetmyemotionasIenteredtherestaurantandsawlovingfriendsamidflowersandmusicandalargedisplayofphotographsthatspannedmylife.Ihurriedfromonetabletothenext,greetingeachguest.ThensuddenlyattherearoftheroomIspottedagentle,smilingmanwithsnow-whitehairandavibrantblue-eyedwomanonhisarm.