欢迎来到天天文库
浏览记录
ID:61771590
大小:58.50 KB
页数:6页
时间:2021-03-19
《2020届宝山区高考数学一模.docx》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、__________________________________________________宝山区2019学年第一学期期末高三年级数学学科教学质量检测试卷一、填空题1.若z(1+i)=2i(i是虚数单位),则z=l-42____________________________________________________________________________________________________2.已知-l=5,则l=1____________________________________________
2、________________________________________________________3.函数y=3x-1(x£1)的反函数是4.2019年女排世界杯共有12支参赛球队,赛制采用12支队伍单循环,两两捉对厮杀一场定胜负,依次进行,则此次杯赛共有场球赛5.以抛物线y2=-6x的焦点为圆心,且与抛物线的准线相切的圆的方程是6.在(1-x)5(1+x3)的展开式中,x3的系数为________________________________________________________________________
3、____________________________7.不等式x-x2-2>x2-3x-6的解集是8.已知方程x2-kx+2=0(kÎR)的两个虚根为x,x,若x-x=2,则k=____________________________________________________________________________________________________12129.已知直线l过点(-1,0)且与直线2x-y=0垂直,则圆x2+y2-4x+8y=0与直线l相交所得的弦长为10.有一个空心钢球,质量为142g,测得
4、外直径为5cm,则它的内直径是cm(钢的密度为7.9g/cm3,精确到0.1cm)11.已知{an},{bn}均是等差数列,cn=an×bn,若{cn}前三项是7,9,9,则c10=____________________________________________________________________________________________________12.已知a>b>0,那么,当代数式a2+16b(a-b)取最小值时,点P(a,b)的坐标为_________________________________
5、___________________________________________________________________二、选择题13.若函数f(x)=lnx-1+a在区间(1,e)上存在零点,则常数a的取值范围为()x____________________________________________________________________________________________________A.06、___________________________________________________________________________________14.下列函数是偶函数,且在[0,+¥)上单调递增的是()____________________________________________________________________________________________________2A.f(x)=log(4x-1)-xB.f(x)=x-2cosx_________________________7、___________________________________________________________________________f(x)=ïìx2+1C.íx2ïî0____________________________________________________________________________________________________(x¹0)(x=0)A.f(x)=10lgx______________________________________________________8、______________________________________________1.已知平面a,b,g两两垂直,直线a,b,c满足aÍa,bÍb,cÍg,则直线a,b,c不可能满足
6、___________________________________________________________________________________14.下列函数是偶函数,且在[0,+¥)上单调递增的是()____________________________________________________________________________________________________2A.f(x)=log(4x-1)-xB.f(x)=x-2cosx_________________________
7、___________________________________________________________________________f(x)=ïìx2+1C.íx2ïî0____________________________________________________________________________________________________(x¹0)(x=0)A.f(x)=10lgx______________________________________________________
8、______________________________________________1.已知平面a,b,g两两垂直,直线a,b,c满足aÍa,bÍb,cÍg,则直线a,b,c不可能满足
此文档下载收益归作者所有