2016安徽中考数学模拟试题及答案.pdf
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1、2015 安徽省模拟中考数学一、选择题(本题共10 小题,每小题4 分,满分40 分)每一个小题都给出代号为A、B、C、D的四个结论,其中只有一个是正确的,把正确结论的代号写在题后的括号。每一小题:选对得 4 分,不选、选错或选出的代号超过一个的(不论是否写在括号内)一律得0 分。1.34相反数是【】A.43 B.43-C.34 D.34-2.今年“五一”黄金周,我省实现社会消费的零售总额约为94 亿元。若用科学记数法表示,则 94 亿可写为【】A.0.94 109B.9.4 109C.9.4 107D.9.4 108 3.如图,直线1l2l,1550,2 650,则 3为【】A)500.B)
2、550 C)600 D)6504.如图,在 O中,ABC=50,则 AOC 等于【】A.50 B.80 C.90 D.1005.分式方程112xx的解是【】A.x=1 B.x=1 C.x=2D.x=2 6.如图是某几何体的三视图及相关数据,则判断正确的是【】A.a c B.bc C.4a2+b2=c2D.a2+b2=c27.如图,已知AB CD,AD与 BC相交于点P,AB=4,CD=7,AD=10,则 AP的长等于【】A.4011 B.407 C.7011 D.7048.挂钟分针的长10cm,经过 45 分钟,它的针尖转过的弧长是【】A.152cmp B.15 cmp C.752cmp D.
3、75 cmp9.一张正方形的纸片,剪去两个一样的小矩形得到一个“E”图案,如图所示,设小矩形的长和宽分别为x、y,剪去部分的面积为20,若 2x10,则y 与 x 的函数图象是【】10.如图,PQR是 O的内接正三角形,四边形ABCD 是 O的内接正方形,BC QR,则AOQ=【】A.60 B.65 C.72 D.75二、填空题(本题共 4 小题,每小题 5 分,满分 20 分)11.不等式组843,24xx的解集是 _.12.如图,已知 1=100,2=140,那么3=_ 13.如图,AD是 ABC的边 BC上的高,由下列条件中的某一个就能推出ABC是等腰三角形的是 _。(把所有正确答案的序
4、号都填写在横线上)文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V
5、7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW
6、1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V
7、7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW
8、1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V
9、7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW
10、1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5文档编码:CR9S8V7H6D9 HJ8B2H7F6J1 ZW1A4D8A9O5 BAD ACD BAD CAD,AB+BD AC+CD AB-BD AC-CD 14.右图是由四个相同的小立方体组成的立体图形的主视图和左视图,那么原立体图形可能是_。(把下图中正确的立体图形的序号都填在横线上)。三(本题共 2 小题,每小题 8 分,满分 16 分)15.解不等式3x 22(x1),并将解集在数轴上表示出来。16.小明站
11、在A处放风筝,风筝飞到C 处时的线长为20 米,这时测得CBD=60,若牵引底端 B离地面 1.5 米,求此时风筝离地面高度。(计算结果精确到0.1 米,31.732)四、(本题共 2 小题,每小题 8 分,满分 16 分)文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4
12、 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6
13、M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4
14、 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6
15、M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4
16、 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6
17、M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L217.某石油进口国这几个月的石油进口量比上个月减少了5%,由于国际油价油价上涨,这个月进口石油的费用反而比上个月增加了14%。求这个月的
18、石油价格相对上个月的增长率。18.据报道,我省农作物秸杆的资源巨大,但合理利用量十分有限,2006 年的利用率只有 30%,大部分秸杆被直接焚烧了,假定我省每年产出的农作物秸杆总量不变,且合理利用量的增长率相同,要使2008 年的利用率提高到60%,求每年的增长率。(取21.41)文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L
19、2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL
20、3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L
21、2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL
22、3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L
23、2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL
24、3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2五、(本题共 2 小题,每小题10 分,满分20 分)19.如图,某幢大楼顶部
25、有一块广告牌CD,甲乙两人分别在相距8 米的 A、B 两处测得D点和 C 点的仰角分别为45和 60,且 A、B、E 三点在一条直线上,若BE=15 米,求这块广告牌的高度(取31.73,计算结果保留整数)20.如图,DE分别是 ABC的边 BC和 AB上的点,ABD与 ACD的周长相等,CAE与 CBE的周长相等。设BC=a,AC=b,AB=c。求 AE和 BD的长;若 BAC=90,ABC的面积为S,求证:S=AE BD文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:CH6M2B5F4T4 HL3I9K3I2L4 ZO7B7M4R8L2文档编码:C
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