【单选题】【消耗次数:1】
已知在五重贝努里实验中成功次数X满足<img class=jc-formula data-tex=P\left\{ X=1 \right\} =P\left\{ X=2 \right\} src=https://huaweicloudobs.ahjxjy.cn/73EE52079378813941B25A76549F8C66.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=P\left\{ X=4 \right\} = src=https://huaweicloudobs.ahjxjy.cn/9E791D80EA7782B7045255605AA1F619.png style=vertical-align: middle;/>
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【单选题】 已知<img class=jc-formula data-tex=f^{ \prime }\left( { e }^{ x } \right) =x{ e }^{ -x } src=https://huaweicloudobs.ahjxjy.cn/A2D866EF9B5FBA9665A83096D0820160.png style=vertical-align: middle;/>,且<img class=jc-formula data-tex=f\left( 1 \right) =0 src=https://huaweicloudobs.ahjxjy.cn/8BC981E4AD6049DFBA17D01C5FB4B736.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=f\left( x \right)= src=https://huaweicloudobs.ahjxjy.cn/E5E52C6F5B52EE1A248B89A09EC905E4.png style=vertical-align: middle;/>( )
①  <img class=jc-formula data-tex={ e }^{ x } src=https://huaweicloudobs.ahjxjy.cn/00FC70E398ABF6B185393D92CDA0D7CF.png style=vertical-align: middle;/>
②  <img class=jc-formula data-tex=\ln { x } src=https://huaweicloudobs.ahjxjy.cn/BADB4AEBC55B8DCE12993FC806ECF668.png style=vertical-align: middle;/>
③  <img class=jc-formula data-tex={ (\ln { x) } }^{ 2 } src=https://huaweicloudobs.ahjxjy.cn/395F2A3C69CCBAB7F79F9B36E0131FCC.png style=vertical-align: middle;/>
④  <img class=jc-formula data-tex=\frac { 1 }{ 2 } { (\ln { x) } }^{ 2 } src=https://huaweicloudobs.ahjxjy.cn/E2174913DF2DD84E322B672A8C02A70A.png style=vertical-align: middle;/>
【单选题】 若<img class=jc-formula data-tex=\int { f\left( x \right) } dx={ e }^{ x }+C src=https://huaweicloudobs.ahjxjy.cn/1C031C6D574105A4E5C1ECB676F9A40E.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=f^{ \prime }\left( x \right) = src=https://huaweicloudobs.ahjxjy.cn/251DFE29198B1CB3A839957C188AB2C1.png style=vertical-align: middle;/>( )
①  <img class=jc-formula data-tex={ e }^{ x } src=https://huaweicloudobs.ahjxjy.cn/00FC70E398ABF6B185393D92CDA0D7CF.png style=vertical-align: middle;/>
②  <img class=jc-formula data-tex={ e }^{ x } src=https://huaweicloudobs.ahjxjy.cn/00FC70E398ABF6B185393D92CDA0D7CF.png style=vertical-align: middle;/>-1
③  <img class=jc-formula data-tex={ e }^{ x } src=https://huaweicloudobs.ahjxjy.cn/00FC70E398ABF6B185393D92CDA0D7CF.png style=vertical-align: middle;/>+C
④  <img class=jc-formula data-tex={ e }^{ x } src=https://huaweicloudobs.ahjxjy.cn/00FC70E398ABF6B185393D92CDA0D7CF.png style=vertical-align: middle;/>dx
【单选题】 设<img class=jc-formula data-tex=f\left( x \right) src=https://huaweicloudobs.ahjxjy.cn/FB6E53A56CB8DA138AA7D1A4EBCF7519.png style=vertical-align: middle;/>在<img class=jc-formula data-tex={ x }_{ 0 } src=https://huaweicloudobs.ahjxjy.cn/ABCC8DCF3CB54080A21570A5BADC633E.png style=vertical-align: middle;/>处可导,则<img class=jc-formula data-tex=\lim _{ h\rightarrow 0 }{ \frac { f\left( { x }_{ 0 }-h \right) -f\left( { x }_{ 0 } \right) }{ h } } = src=https://huaweicloudobs.ahjxjy.cn/114D1182A572A98FFD54B6C4066BEC8A.png style=vertical-align: middle;/>( ).
①  2<img class=jc-formula data-tex=f^{ \prime }\left( { x }_{ 0 } \right) src=https://huaweicloudobs.ahjxjy.cn/B5876FA4E8E95C0AB96A2BDEDFEBD976.png style=vertical-align: middle;/>
②  <img class=jc-formula data-tex=f^{ \prime }\left( { x }_{ 0 } \right) src=https://huaweicloudobs.ahjxjy.cn/B5876FA4E8E95C0AB96A2BDEDFEBD976.png style=vertical-align: middle;/>
③  -<img class=jc-formula data-tex=f^{ \prime }\left( { x }_{ 0 } \right) src=https://huaweicloudobs.ahjxjy.cn/B5876FA4E8E95C0AB96A2BDEDFEBD976.png style=vertical-align: middle;/>
④  不存在
【单选题】 若<img class=jc-formula data-tex=f\left( x \right) src=https://huaweicloudobs.ahjxjy.cn/FB6E53A56CB8DA138AA7D1A4EBCF7519.png style=vertical-align: middle;/>在<img class=jc-formula data-tex=\left[ a,b \right] src=https://huaweicloudobs.ahjxjy.cn/F7E2D96607BB44F0EF21CEDD74AA3D39.png style=vertical-align: middle;/>上具有三阶连续导数,且在<img class=jc-formula data-tex={ x }_{ 0 } src=https://huaweicloudobs.ahjxjy.cn/ABCC8DCF3CB54080A21570A5BADC633E.png style=vertical-align: middle;/><img class=jc-formula data-tex=\in \left( a,b \right) src=https://huaweicloudobs.ahjxjy.cn/54137EDF9AAE8C8988D2FF58BF9DBCD7.png style=vertical-align: middle;/>处,<img class=jc-formula data-tex=f^{ \prime }\left( { x }_{ 0 } \right) =f^{ \prime \prime }\left( { x }_{ 0 } \right) =0,f^{ \prime \prime \prime }\left( { x }_{ 0 } \right) \neq 0 src=https://huaweicloudobs.ahjxjy.cn/4EF25EC447EF6656029CF6BFD0E35F6F.png style=vertical-align: middle;/>,则( )
①  <img class=jc-formula data-tex=({ x }_{ 0 },f\left( { x }_{ 0 } \right) ) src=https://huaweicloudobs.ahjxjy.cn/A109C23827EC4A2A05876E108321A4C0.png style=vertical-align: middle;/>必是拐点<img class=jc-formula data-tex={ x }_{ 0 } src=https://huaweicloudobs.ahjxjy.cn/ABCC8DCF3CB54080A21570A5BADC633E.png style=vertical-align: middle;/>
②  <img class=jc-formula data-tex=({ x }_{ 0 },f\left( { x }_{ 0 } \right) ) src=https://huaweicloudobs.ahjxjy.cn/A109C23827EC4A2A05876E108321A4C0.png style=vertical-align: middle;/>不是拐点
③  <img class=jc-formula data-tex=({ x }_{ 0 },f\left( { x }_{ 0 } \right) ) src=https://huaweicloudobs.ahjxjy.cn/A109C23827EC4A2A05876E108321A4C0.png style=vertical-align: middle;/>必为极值点
④  以上三者均不对
【单选题】 <img class=jc-formula data-tex=d[\int { f\left( x \right) } dx] src=https://huaweicloudobs.ahjxjy.cn/B3C1407E027378C58AC43470F70B775F.png style=vertical-align: middle;/>=( )
①  <img class=jc-formula data-tex=f\left( x \right) src=https://huaweicloudobs.ahjxjy.cn/FB6E53A56CB8DA138AA7D1A4EBCF7519.png style=vertical-align: middle;/>
②  <img class=jc-formula data-tex=f\left( x \right)+C src=https://huaweicloudobs.ahjxjy.cn/3D8F322950BC62160B17C6A27D3DBE48.png style=vertical-align: middle;/>
③  <img class=jc-formula data-tex=f\left( x \right)dx src=https://huaweicloudobs.ahjxjy.cn/1A8CC7EE30BA4B6FB278BB1D69655FA8.png style=vertical-align: middle;/>
④  <img class=jc-formula data-tex=f^{ \prime }\left( x \right) src=https://huaweicloudobs.ahjxjy.cn/26D198C4225DCDBF49E37926C6480B23.png style=vertical-align: middle;/>
【单选题】 令 F(x): x 喜欢步行, G( x): x 喜欢骑自行车, H(x): x 喜欢乘汽车,令前提:<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />G(x)), <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x(G(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee /> H(y)), <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />H(x),则下面不是其有效结论的是:
①  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />F(x)
②  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />xG(x)
③  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg /><img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />xF(x)
④  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />xG(x)
【单选题】 设: F(x):x 为有理数, G(x):x 为无理数, R(x)为实数, H(x)为虚数,令前提: <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x((F(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee />G(x)) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto />R(x)), <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x(H(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /><img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />R(x)),则下面不是其有效结论的是:
①  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x(<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee /> G(x)))
②  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x(H(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> (<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />F(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /><img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />G(x)))
③  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x(H(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> (<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />F(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/D50FEE5510C853C83F78D440017D8E6B.png data-tex=\wedge /><img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />G(x)))
④  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x(H(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/F388E7EE9892B38FECEEB653227F230A.png data-tex=\mapsto /> <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg />(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee /> G(x)))
【单选题】 令前提: <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />x(F(x) <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee />G(x)), <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/09825764C15E56B1CFE3099F64BC5193.png data-tex=\neg /><img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />xG(x),则下面不是其有效结论的是:
①  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />xF(x)
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③  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/151E88A53D653382F547CC2EA5D9CEBC.png data-tex=\forall />xF(x)
④  <img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/117E6A630A0200497B87D15B90307923.png data-tex=\exists />x(F(x)<img class=jc-formula style=vertical-align: middle; src=https://huaweicloudobs.ahjxjy.cn/7BA9C8923F2F9C5684519175C6A722C4.png data-tex=\vee /> G(x))
【单选题】 设在x=0的某领域内连续,且<img class=jc-formula data-tex=\lim _{ x\rightarrow 0 }{ \frac { f\left( x \right) }{ \ln { (2-\cos { x) } } } =2 } src=https://huaweicloudobs.ahjxjy.cn/B7FBF4F4EA8DE3EBAD15010C8F45EA22.png style=vertical-align: middle;/>,则在x=0处<img class=jc-formula data-tex=f\left( x \right) src=https://huaweicloudobs.ahjxjy.cn/FB6E53A56CB8DA138AA7D1A4EBCF7519.png style=vertical-align: middle;/>( )
①  不可导
②  可导,且<img class=jc-formula data-tex=f^{ \prime }\left( 0 \right) \neq 0 src=https://huaweicloudobs.ahjxjy.cn/E3723D58E8A892805FC0989F8A9BF478.png style=vertical-align: middle;/>
③  取极大值
④  取极小值
【单选题】 <img class=jc-formula data-tex=f\left( x \right) =x+2\int _{ 0 }^{ 1 }{ f\left( x \right) dx } src=https://huaweicloudobs.ahjxjy.cn/6FE453D2DA6AE7DF7BFE569526D7B93A.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=f\left( x \right)= src=https://huaweicloudobs.ahjxjy.cn/E5E52C6F5B52EE1A248B89A09EC905E4.png style=vertical-align: middle;/>( )
①  x-1
②  x
③  x+1
④  x+2
随机题目
【单选题】 —Sorry,Ihavekeptyouwaiting.—.
①  That’sallright
②  Idon’tca
③  I’msad
④  No,notatall
【单选题】 I’msorry.Ilostthekey.______________.
①  Well,it’sOK
②  No,it’sallright
③  Youarewelcome
④  Youarewrong
【单选题】 Idontknowthepark,butits_____________tobequitebeautiful.
①  said
②  told
③  spoken
④  talked
【单选题】 Thisisthehousein______LuXunoncelivedinthe20’s.
①  that
②  which
③  whose
④  whom
【单选题】 Wedon’t______ourcustomerstobemereconsumers.
①  suppose
②  regard
③  think
④  consider
【单选题】 Thepicturesofthemoontakenfromthespacecraftare_______thanthosetakenfromtheearth.
①  clear
②  muchclearer
③  moreclearer
④  theclearest
【单选题】 —Imgladtohavemetyou.Dropbysometime.—.
①  Thankyou
②  Givemeacall
③  Thanks,Icertainlywill
④  Takecare
【单选题】 ---Say,Jane,willyoucomewithmetothegameFriday?---______,Bob,butIpromisedMaryI’dgowithher.
①  Mypleasure
②  Thanks
③  Takeiteasy
④  Forgetit
【单选题】 Thenightwasvery_____,sohehadtotakeoffhisshoes______.
①  quiet;quietly
②  quite;quickly
③  late;quick
④  quite;quietly
【单选题】 There_____anewbedandtwooldtablesintheroom.
①  are
②  is
③  have
④  has