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卷面总分：100分
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答题时间：30 分
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试卷来源：互联网
上传时间：2010-3-6
上传者：admin
试卷说明
    /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}h3 {margin:0cm;margin-bottom:.0001pt;page-break-after:avoid;font-size:12.0pt;font-family:Arial;}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}span.CharChar2 {font-family:Arial;font-weight:bold;}div.Section1 {page:Section1;}
    一、选择题（每题5分，共100分）
    第 1 题

    1、若式子在实数范围内有意义，则x的取值范围是

    A．x＞－5                      
    B．x＜－5                    
    C．x≠－5         
    D．x≥－5

    第 2 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;} 下列根式中不是最简二次根式的是

    A．                            B．                           C．             D．


    第 3 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;} 下列多项式中，能用公式法分解因式的是

    A．                       B．                    C．                    D．


    第 4 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    4、把代数式分解因式，结果正确的是

    A．                    B．                  C．        D．


    第 5 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    5、代数式中，分式的个数是

    A．1                                
    B．2                              
    C．3                             
    D．4

    第 6 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    6、若分式的值为0，则x的值为

    A．1                                
    B．-1                            
    C．±1                         
    D．2

    第 7 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    7、已知x为任意有理数，则多项式x－1－x2的值一定为

    A．正数                          
    B．负数                        
    C．非正数                   
    D．非负数

    第 8 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;} 估计68的立方根的大小范围是
    A．2与3之间               
    B．3与4之间             
    C．4与5之间            
    D．5与6之间

    第 9 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}a:link, span.MsoHyperlink {color:blue;text-decoration:underline;text-underline:single;}a:visited, span.MsoHyperlinkFollowed {color:purple;text-decoration:underline;text-underline:single;}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    9、如果=3，则的值为

    A．                        B．x y                       C．4                       D．


    第 10 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}a:link, span.MsoHyperlink {color:blue;text-decoration:underline;text-underline:single;}a:visited, span.MsoHyperlinkFollowed {color:purple;text-decoration:underline;text-underline:single;}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;} 下列式子中是完全平方式的是

    A．               B．             C．            D．


    第 11 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:‘Times New Roman‘;}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;} 下列计算正确的是

    A．                                            B．                

    C．                                                 D．


    第 12 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    12、已知两个分式：A=，，其中x≠±2，那么A与B的关系是

    A．相等                          
    B．互为倒数                
    C．互为相反数           
    D．A大于B

    第 13 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:‘Times New Roman‘;}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;} 在下列各组根式中，是同类二次根式的是

    A．和                                                      B．和

    C．                                                   D．


    第 14 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:‘Times New Roman‘;}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    14、化简，甲，乙两位同学的解法如下：

    对于上述两位同学的解法，正确的判断是
    A．甲，乙的解法都正确                                     
    B．甲正确，乙不正确
    C．甲，乙都不正确                                           
    D．甲不正确，乙正确

    第 15 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    15、若x－=7，则x2+的值为

    A．49                              
    B．48                            
    C．47                           
    D．51

    第 16 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;} /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:‘Times New Roman‘;}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    16、已知， 且、、不等于0， 则的值为

    A．－                           B．                             C．                            D．－


    第 17 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;} 有两个多项式M=2x2＋3x＋1，N=4x2－4x－3，则M与N的公因式是
    A．x＋1                          
    B．x－1                        
    C．2x＋1                     
    D．2x－1

    第 18 题


     


    第 19 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:"Times New Roman";}a:link, span.MsoHyperlink {color:blue;text-decoration:underline;text-underline:single;}a:visited, span.MsoHyperlinkFollowed {color:purple;text-decoration:underline;text-underline:single;}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;}

    19、若，则xy的值为

    A．                           B．                        C．                       D．


    第 20 题 /* Generator: eWebEditor */p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;font-size:10.5pt;font-family:‘Times New Roman‘;}p.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, li.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar, div.CharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharCharChar {margin:0cm;margin-bottom:.0001pt;text-align:justify;text-justify:inter-ideograph;text-indent:10.0pt;line-height:125%;font-size:10.5pt;font-family:Verdana;}div.Section1 {page:Section1;} 若a，b，c是三角形三边的长，则代数式a2+b2－c2－2ab的值
    A．大于零                      
    B．小于零                    
    C．大于或等于零           
    D．小于或等于零

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