2009-2010年河南省焦作市八年级上学期期末考试数学卷

适用年级:初二
试卷号:191754

试卷类型:期末
试卷考试时间:2017/7/27

1.选择题(共4题)

1.

      Do you like eating chocolate? Companies spend millions of dollars on tools and machines to make chocolate. With a little ingredients, however, you can turn your kitchen into a chocolate factory. Today we will teach the Cocoa Powder (可可粉)Method(方法), it is easier for beginners. Try it and make your own homemade chocolate.
Here are the ingredients (原料) you need:
cocoa powder — 2 cups (220g) ; butter — 3/4 cup (170g); sugar — 3/4 cup (100g); milk — 2/3 cup (150ml); salt — a little bit ; water — 1 cup (235ml).
      Now, please follow these steps. First, mix the cocoa powder and butter in a bowl until you have a smooth paste (酱). Then , add the cocoa powder mixture (混合物)  to the hot water and stir(搅拌). Allow the temperature to rise back up. Put the hot mixture into a bowl,  stir the sugar mixture into the hot cocoa mix. Add milk, stir until smooth. At last, put the mixture into different containers(容器). The chocolate will take the shape of the container. You can put it in the fridge to harden(使变硬)it.
We hope you can enjoy your homemade chocolate.

2.

There is a wire pole along the road _________ meter.


3.

His failure made his father think him a ___________ boy.


4.

His failure made his father think him a ___________ boy.


2.填空题(共2题)

5.
在平面直角坐标系中,已知点,点轴上的一个动点,当是等腰三角形时,值的个数是     
6.
因式分解:  

3.解答题(共4题)

7.
计算:
8.
在市区内,我市乘坐出租车的价格(元)与路程(km)的函数关系图象如图所示.

(1)请你根据图象写出两条信息;
(2)小明从学校出发乘坐出租车回家用了13元,求学校离小明家的路程.
9.
如图在等边△ABC中,点
A.E分别在边BC,AB上,且BD=AE,AD与CE交于点B.
(1)求证:AD=CE
(2)求∠DFC的度数
10.
已知:点O到△ABC的两边AB,AC所在直线的距离相等,且OB=O
A.
(1)如图1,若点O在边BC上,求证:AB=AC;
(2)如图2,若点O在△ABC的内部,求证:AB=AC;
(3)若点O在△ABC的外部,AB=AC成立吗?请画出图表示.
试卷分析
  • 【1】题量占比

    选择题:(4道)

    填空题:(2道)

    解答题:(4道)

  • 【2】:难度分析

    1星难题:0

    2星难题:0

    3星难题:0

    4星难题:0

    5星难题:0

    6星难题:4

    7星难题:0

    8星难题:1

    9星难题:1