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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考文科數(shù)學(xué)試卷(解析版) 題型:解答題

在平面直角坐標系中,曲線的參數(shù)方程為為參數(shù)),在以原點為極點,軸的正半軸為極軸的極坐標系中,曲線的極坐標方程為,射線的方程為,又的交點為,的除極點外的另一個交點為,當時,

(1)求的普通方程,的直角坐標方程;

(2)設(shè)軸正半軸的交點為,當時,求直線的參數(shù)方程.

 

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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考文科數(shù)學(xué)試卷(解析版) 題型:解答題

設(shè)對于任意實數(shù),不等式恒成立.

(1)求的取值范圍;

(2)當取最大值時,解關(guān)于的不等式:

 

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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考理科數(shù)學(xué)試卷(解析版) 題型:選擇題

若復(fù)數(shù)為純虛數(shù)(i為虛數(shù)單位),則實數(shù)a的值是

A.-3               B.-3或1            C.3或-1            D.1

 

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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考理科數(shù)學(xué)試卷(解析版) 題型:選擇題

已知映射,其中A=B=R,對應(yīng)法則,若對實數(shù),在集合A中不存在元素x使得,則k的取值范圍是

A.           B.           C.            D.

 

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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考理科數(shù)學(xué)試卷(解析版) 題型:選擇題

(   )

A.              B.           C.              D.

 

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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考理科數(shù)學(xué)試卷(解析版) 題型:選擇題

已知函數(shù)滿足,其圖像與直線的某兩個交點的橫坐標為的最小值為,則

A.                        B.

C.                        D.

 

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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考理科數(shù)學(xué)試卷(解析版) 題型:選擇題

的展開式中含有x的正整數(shù)冪的項的個數(shù)是

A.0                B.2                C.4                D.6

 

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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考理科數(shù)學(xué)試卷(解析版) 題型:選擇題

設(shè)都是銳角,且,,則=( )

A.            B.            C.     D.

 

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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考理科數(shù)學(xué)試卷(解析版) 題型:選擇題

在棱長為2的正方體中,點E,F分別是棱AB,BC的中點,則點到平面的距離等于( )

A.              B.            C.            D.

 

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科目: 來源:2012-2013學(xué)年內(nèi)蒙古高三5月月考理科數(shù)學(xué)試卷(解析版) 題型:選擇題

已知,,,點C在內(nèi), ,若=2m+m),則=(    )                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         

A.1                B.2                C.             D.4

 

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