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1、岗位竞聘演讲稿开头 岗位竞聘演讲稿开头 岗位竞聘演讲稿开头 岗位竞聘演讲稿开头 岗位竞聘演讲稿开头 岗位竞聘演讲稿开头 岗位竞聘演讲稿开头 岗位竞聘演讲稿开头 岗位竞聘演讲稿开头 岗位竞聘演讲稿开头 岗位竞聘演讲稿开头i'mgoingtotryandexplainwhyitisthatperhapswedon'tunderstandasmuchaswethinkwedo.i'dliketobeginwithfourquestions.thisisnotsomesortofcult
2、uralthingforthetimeofyear.that'sanin-joke,bytheway.我会试着解释为何我们知道的东西很可能并没有我们自以为知道的多我想从四个问题开始,不是那种今年流行的文化问题对了，刚刚那句是个圈内笑话butthesefourquestions,actually,areonesthatpeoplewhoevenknowquitealotaboutsciencefindquitehard.andthey'requestionsthati'veaskedofscience
3、televisionproducers,ofaudiencesofscienceeducators--sothat'sscienceteachers--andalsoofseven-year-olds,andifindthattheseven-year-oldsdomarginallybetterthantheotheraudiences,whichissomewhatsurprising.不过这四个问题，事实上即使是很懂科学的人也会觉得很难应答我拿这些问题去问科学节目制片人问那些有科学教育背景的观
4、众也问教科学的老师还有七岁孩童我发现七岁孩童答得比其他人好这是有些令人惊讶sothefirstquestion,andyoumightwanttowritethisdown,eitheronabitofpaper,physically,oravirtualpieceofpaperinyourhead.and,forviewersathome,youcantrythisaswell.第一个问题，我建议你把问题记下来抄在纸上，或想像中的纸上坐在电脑前的你也可以试著作答.alittleseedweighs
5、nexttonothingandatreeweighsalot,right?ithinkweagreeonthat.wheredoesthetreegetthestuffthatmakesupthischair,right?wheredoesallthisstuffefrom?种籽很轻，而大树很重，是吗?我想我们都同意吧，大树用来制成椅子的东西是从哪来的?对吧?这些东西都是怎么来的?(knocks)(敲椅声)andyournextquestionis,canyoulightalittletorch-
6、bulbwithabattery,abulbandonepieceofwire?andwouldyoubeableto,kindof,drawa--youdon'thavetodrawthediagram,butwouldyoubeabletodrawthediagram,ifyouhadtodoit?orwouldyoujustsay,that'sactuallynotpossible?问题二，你能否点亮一个小灯泡只用1个电池、1个灯泡、和1条电线?那你能画出上述问题的图解吗?不用真的画但如果需要
7、的话，你能画出来吗?还是你会说这个不可能?thethirdquestionis,whyisithotterinsummerthaninwinter?ithinkwecanprobablyagreethatitishotterinsummerthaninwinter,butwhy?andfinally,wouldyoubeableto--andyoucansortofscribbleit,ifyoulike--scribbleaplandiagramofthesolarsystem,showingth
8、eshapeoftheplas'orbits?wouldyoubeabletodothat?andifyoucan,justscribbleapattern.第三个问题，为什么夏天比冬天热?大家应该都同意夏天比冬天还热但为何如此?最后，你能不能简单的勾勒出太阳系的平面图...呈现出行星轨道运行的形状你可以画得出来吗?你画得出来的话，就把形状画出来ok.now,childrengettheirideasnotfromteachers,asteachersoftenthi
