2015-2016学年福建省福鼎市南片区联考（下）期中测试八年数学试卷（带解析）

1.

若m＞n，下列不等式不一定成立的是（）

A．m+2＞n+2

B．2m＞2n

C．

＞

D．m²＞n²

查看解析收藏

2.

如图，△ABC中，∠C=90°，AC=3，∠B=30°，点P是BC边上的动点，则AP的长不可能是( )

A. 3.5 B. 4.2 C. 5.8 D. 7

查看解析收藏

3.

小颖准备用21元钱买笔和笔记本，已知每支笔3元，每个笔记本2元，她买了4个笔记本，则她最多还可以买多少支笔？ (　　)

A．1支

B．2支

C．3支

D．4支

查看解析收藏

4.

如图，在△ABC中，∠C=90°，∠B=30°，以A为圆心，任意长为半径画弧分别交AB、AC于点M和N，再分别以M、N为圆心，大于MN的长为半径画弧，两弧交于点P，连结AP并延长交BC于点D，则下列说法中正确的个数是
①AD是∠BAC的平分线；②∠ADC=60°；③点D在AB的中垂线上；④S_△DAC：S_△ABC=1：3．

A．1

B．2

C．3

D．4

查看解析收藏

5.

如图：一次函数y=kx+b的图象经过A、B两点，则不等式kx+b＞0的解集是（　　）

A．x＞0

B．x＞2

C．x＞﹣3

D．﹣3＜x＜2

查看解析收藏

6.

已知等腰三角形的两边长分别为5㎝、2㎝，则该等腰三角形的周长是( )

A．7㎝

B．9㎝

C．12㎝或者9㎝

D．12㎝

查看解析收藏

7.

为了测定某盐酸的浓度，用0.2mol•L^﹣¹的碳酸钠标准液与该酸进行反应，为了准备480mL的标准液，某同学进行了下列操作（已乱序）

查看解析收藏

8.选择方框中的单词并用其适当形式填空，使短文完整、正确

(有两项多余)。

choose，history，tradition，eat，though, choice, So

The mooncake is the most popular and important food on MidAutumn Day. But is it the only food?

In some places of China，the pumpkin(南瓜) is also the {#blank#}1{#/blank#} food on MidAutumn Day. In old days，poor families {#blank#}2{#/blank#}to eat pumpkins，because they couldn't afford(买得起) mooncakes.{#blank#}3{#/blank#}people live a good life now，they still eat pumpkins on MidAutumn Day.They believe it can bring them good health.

For people in Guangzhou，they enjoy {#blank#}4{#/blank#}river snails(田螺) on MidAutumn Day. They think the delicious food can help make their eyes bright.

Salted Duck(桂花鸭) is a common food for people in Jiangsu Province. It has a {#blank#}5{#/blank#} of over 2，500 years .And it is the most famous dish of Nanjing.

Is there any traditional food in your hometown on MidAutumn Day？What is it?

查看解析收藏

9.选择方框中的单词并用其适当形式填空，使短文完整、正确

(有两项多余)。

choose，history，tradition，eat，though, choice, So

The mooncake is the most popular and important food on MidAutumn Day. But is it the only food?

In some places of China，the pumpkin(南瓜) is also the {#blank#}1{#/blank#} food on MidAutumn Day. In old days，poor families {#blank#}2{#/blank#}to eat pumpkins，because they couldn't afford(买得起) mooncakes.{#blank#}3{#/blank#}people live a good life now，they still eat pumpkins on MidAutumn Day.They believe it can bring them good health.

For people in Guangzhou，they enjoy {#blank#}4{#/blank#}river snails(田螺) on MidAutumn Day. They think the delicious food can help make their eyes bright.

Salted Duck(桂花鸭) is a common food for people in Jiangsu Province. It has a {#blank#}5{#/blank#} of over 2，500 years .And it is the most famous dish of Nanjing.

Is there any traditional food in your hometown on MidAutumn Day？What is it?

查看解析收藏

10.有关我国台湾省的说法正确的是（）

查看解析收藏

11.有关我国台湾省的说法正确的是（）

查看解析收藏

12.

如果不等式组

的解集是

＜

＜5, 那么

____________．

查看解析收藏

13.

不等式

≥

的正整数解为____________．

查看解析收藏

14.

如图，在Rt△ABC中，∠A＝90°，∠ABC的平分线BD交AC于点D，AD＝2，BC＝9，则△BDC的面积是__________．

查看解析收藏

15.

如图，a∥b，∠ABC=50°，若△ABC是等腰三角形，则∠α=__°（填一个即可）

查看解析收藏

16.

解不等式组：

查看解析收藏

17.

解不等式

≤1，并把它的解集在数轴上表示出来．

查看解析收藏

18.

已知：如图，∠A=∠D=90°，AC=BD．求证：OB=OC．

查看解析收藏

19.

如图，在△ABC中，AB=AC．
（1）求作AB的垂直平分线DE交AC于D、交AB于E．（要求尺规作图，保留作图痕迹，不写作法）
（2）若∠A=40°，求∠DBC的度数．

查看解析收藏

20.

（8分）某校校长暑假将带领校、市级“三好学生”去北京旅游．
甲旅行社说：“如果校长买全票，则其余学生可享受半价优惠．”
乙旅行社说：“包括校长在内全部票价6折优惠”，若全票价为240元．
(1)设学生数为x，甲旅行社收费为y_甲，乙旅行社收费为y_乙，分别计算两家旅行社的收费 (表达式) ．
(2)当学生数量是多少时，两家旅行社的收费一样？
(3)就学生数x讨论，哪家旅行社更优惠．

查看解析收藏

2015-2016学年福建省福鼎市南片区联考（下）期中测试八年数学试卷（带解析）

1.单选题(共6题)

2.选择题(共5题)

3.填空题(共4题)

4.解答题(共5题)

【1】题量占比

【2】：难度分析