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1、初中数学期末综合复习基础测试卷（八年级）一、单选题(共8道，每道12分)1.若不等式组有解,则a的取值范围是()A.a≤3B.a<3
C.a<2D.a≤2
2.分解因式得正确结果为()A.B.
C.D.
3.使关于x的方程产生增根的a的值是().A.2B.-2
C.±2D.与a无关
4.已知,则直线y=kx+2k一定经过()A.第一、二象限B.第二、三象限
C.第三、四象限D.第一、四象限
5.化简的结果是()A.B.
C.D.
6.如图,在△ABC中,AB=AC,∠A=36°,BD平分∠ABC交AC于点D,若AC=2,则AD的长是()
第3
2、页共3页A.B.
C.D.
7.如图,△OED∽△OCB,且OE=6,EC=21,则△ABC与△AED的相似比是()
A.B.
C.D.
8.如图,小东用长为3.2m的竹竿做测量工具测量学校旗杆的高度,移动竹竿,使竹竿、旗杆顶端的影子恰好落在地面的同一点.此时,竹竿与这一点相距8m,与旗杆相距22m,则旗杆的高为()
A.12mB.10m
C.8mD.7m
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