- 問題詳情:已知函式f(x)=ex+ke-x為奇函式,函式g(x)是f(x)的導函式,有下列4個結論:①[f(x)]2-[g(x)]2為定值;②曲線f(x)在任何一點(x0,f(x0))處的切線的傾斜角α是大於60°的銳角;③函式f(x)與g(x)的圖象有且只有1個交點;④f(2x)=2f(x)g(x)恆成立.則正確的結論為________(將正確結論的序...
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- 問題詳情:下列加點字的注音全都正確的一項是( )(2分) A.恪盡職守(ke) 戛然而止(jia) 剽悍(piao) 拂曉(fo) B.深惡痛疾(wu) 鍥而不捨(qi) *霾(mai) 膽怯(qie) C.鱗次櫛比(zhi) 銷聲匿跡(ni) 狡黠(jie) 澎湃(pai) D.孜孜不倦(...
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- 1、ThefamoushistorianChenYunke;2、ExplanationoftheSentence"Youkesusu,youkexinxin"inTheSongsoftheBook;3、OnAutobiographicImplicationsofXuXia-kesTravelNotes;4、PleasetakemetothekeLiBuilding,XiamenUniversity.5、Today,Taishanyingkepinehasmorethan500yea...
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- Younger-skewingartists,suchassinger-rapperKe$ha,enjoyalargersliceofthedigitalpiethanolder-skewingartistssuchasJamesTaylor,hesays."TillTheWorldEnds"writer,Ke$ha,wantstocelebratethesong'srecentsuccessbyhavingapartyandstripdownwithBritney.吸引低年齡...
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- 問題詳情:語言知識運用用方框中所給詞或片語的適當形填空,每個詞或片語只准使用一次。puton,takecareof,keep,sing,assoonas,either…or,help…with,notmake,pickup,notso…as 1.Listen!Ourteacher______anEnglishsong. 2.Whenshecameintotheclassroom,shesawabookonthef...
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