必修五unit2usinglanguage0001公开课获奖课件.pptx
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必修五unit2usinglanguage0001公开课获奖课件.pptx
UsinglanguageIoftenhearthegirl____thisEnglishsonginherroom.Weallknowthatthe30thOlympicGameswillbeheldinLondon.BigBenLondonTowerBridgeHydeparkLondonEyeSightseeinginLondonTheTowerofLondonBuckinghamPalaceGuardsStPaul’sCathedralRoyalObservatoryinGreenwichTheM
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必修五unit2usinglanguage0001公开课一等奖市赛课一等奖课件.pptx
UsinglanguageIoftenhearthegirl____thisEnglishsonginherroom.Weallknowthatthe30thOlympicGameswillbeheldinLondon.BigBenLondonTowerBridgeHydeparkLondonEyeSightseeinginLondonTheTowerofLondonBuckinghamPalaceGuardsStPaul’sCathedralRoyalObservatoryinGreenwichTheM
必修五等差数列公开课获奖课件.pptx
2.2等差数列等差数列(2课时)姚明刚进NBA一周训练罚球个数:情境2:6000,6500,7000,7500,8000,8500,9000.问题1:请你说出这两个数列背面一项是多少?你根据是什么?探究性问题1:公差可以是正数,负数,也可以是0.一般地,假如一种数列从第2项起,每一项与它前一项差等于同一种常数,那么这个数列就叫做等差数列,这个常数叫做等差数列公差,公差通常用字母d表达.1.数学表达式:an-an-1=d(n≥2).如下数列是不是等差数列?假如是,求出公差d.(1)1,4,7,10;(2)1
必修五unit1usinglanguage公开课获奖课件.pptx
NicolausCopernicusCopernicus’RevolutionaryTheory革命;重大变革移动;运动;动作讲得通;故意义向后(地)圈;环私下地;秘密地(使)旋转;纺明亮;亮度;聪颖热情;热心小心;谨慎拒绝;不接受;抛弃宇宙;世界BecausethepowerfulChristianChurchwouldhavepunishedhimforevensuggestingsuchanideaParagraph24.WhendidCopernicuspletehistheory?5.Howdi