山东省滨州市六校2018-2019学年七年级上学期期中联考数学试题

适用年级:初一
试卷号:566046

试卷类型:期中
试卷考试时间:2018/11/20

1.单选题(共13题)

1.
下列说法中正确的是(  )
A.0既不是整数也不是分数B.整数和分数统称有理数
C.一个数的绝对值一定是正数D.绝对值等于本身的数是0和1
2.
下列各组数相等的一组是 (    )
A.∣-3∣和-(-3)B.-1-(-4)和-3
C.D.
3.
如图,四个有理数在数轴上的对应点M,P,N,Q,若点M,N表示的有理数互为相反数,则图中表示绝对值最小的数的点是()
A.点MB.点NC.点PD.点Q
4.
我国倡导的“一带一路”建设将促进我国与世界一些国家的互利合作,根据规划“一带一路”地区覆盖总 人口为4400000000人,这个数用科学记数法表示为  
A.44×108B.4.4×108C.4.4×109D.4.4×1010
5.
(3分)﹣2的倒数是()
A.B.﹣2C.D.2
6.
在有理数(﹣1)2 、﹣|﹣2|、(﹣2)3中负数有(  )个.
A. 4 B. 3   C. 2   D. 1
7.
下列说法正确的是
A.单项式的次数9B.不是多项式
C.是三次三项式D.单项式的系数是
8.
下列各组的两项是同类项的是(  )
A.3m2n2与3m3n2B.2xy与yxC.53与a3D.3x2y2与4x2z2
9.
下列计算正确的是(  )
A.2a+b=2abB.﹣5a2+3a2=﹣2
C.3x2y﹣3xy2=0D.
10.
下列利用等式的性质,错误的是(    )
A.由a=b,得到5﹣2a=5﹣2bB.由,得到a=b
C.由a=b,得到ac=bcD.由a=b,得到
11.
如图,两个天平都平衡,则与2个球体质量相等的正方体的个数为(    )

A.2 B. 3   C. 4   D. 5
12.
-2的倒数是( )
A.2B.-2C.D.-
13.
如图是一个运算程序的示意图,若开始输入x的值为81,则第2014次输出的结果为()
A.3B.27C.9D.1

2.选择题(共4题)

14.

读下图,回答问题。

材料1:长江三角洲地区

 

材料2:2013年9月29日,中国(上海)自由贸易试验区正式启动运行,主要任务是建设具有国际水准的投资贸易便利、货币兑换自由、法制环境规范的自由贸易试验区。

15.阅读理解

    Knowing how much her own children loved presents at Christmas, Ann Sutton always tried to seek help for one or two poor families. With a social worker mother, the Sutton children had inherited her commitment to service, and knew never to take their good fortune at Christmas for granted. This year, Kinzie, her seven-year-old daughter was thrilled that Santa Claus would make a special visit to a 22-year-old mother named Ashley who worked in a factory raising her 12-month-old son by herself.

    The phone rang on Sunday. A representative from a local organization was calling to say that the aid Ann had requested for Ashley had fallen through. No Santa Claus, no presents, nothing.

    Ann saw the cheer vanish from her children's faces at the news. Without a word, Kinzie ran into her bedroom. She returned, her face set with determination. Opening up her piggy bank, she put all the coins onto the table: $3.30. Everything she had.

    “Mom,” she told Ann, “I know it's not much. But maybe this will buy a present for the baby.”

    At a breakfast meeting the next day, Ann told her coworkers about her daughter's story. To her surprise, staff members began to open their purses and empty their pockets to help Kinzie. By day's end, the story of Kinzie's gift had spread beyond Ann's office. She received a call from an unknown donor. If a seven-year-old could give everything she had, he said, he should at least match her gift 100 to 1. He contributed $300.

    On Christmas Eve, Ann drove through the pouring rain to the small trailer where the Ashleys lived. Then she began to unload the gifts from the car, handing them to Ashley one by one.

    Ashley was very moved. Reflecting on a little girl's generosity, Ashley says she'll one day be able to do something similar for someone else in need. “Kinzie could have used that money for herself, but she gave it away,” Ashley says. “She's the type of kid I'd like my son to grow up to be.”

16.阅读理解

    Knowing how much her own children loved presents at Christmas, Ann Sutton always tried to seek help for one or two poor families. With a social worker mother, the Sutton children had inherited her commitment to service, and knew never to take their good fortune at Christmas for granted. This year, Kinzie, her seven-year-old daughter was thrilled that Santa Claus would make a special visit to a 22-year-old mother named Ashley who worked in a factory raising her 12-month-old son by herself.

    The phone rang on Sunday. A representative from a local organization was calling to say that the aid Ann had requested for Ashley had fallen through. No Santa Claus, no presents, nothing.

    Ann saw the cheer vanish from her children's faces at the news. Without a word, Kinzie ran into her bedroom. She returned, her face set with determination. Opening up her piggy bank, she put all the coins onto the table: $3.30. Everything she had.

    “Mom,” she told Ann, “I know it's not much. But maybe this will buy a present for the baby.”

    At a breakfast meeting the next day, Ann told her coworkers about her daughter's story. To her surprise, staff members began to open their purses and empty their pockets to help Kinzie. By day's end, the story of Kinzie's gift had spread beyond Ann's office. She received a call from an unknown donor. If a seven-year-old could give everything she had, he said, he should at least match her gift 100 to 1. He contributed $300.

    On Christmas Eve, Ann drove through the pouring rain to the small trailer where the Ashleys lived. Then she began to unload the gifts from the car, handing them to Ashley one by one.

    Ashley was very moved. Reflecting on a little girl's generosity, Ashley says she'll one day be able to do something similar for someone else in need. “Kinzie could have used that money for herself, but she gave it away,” Ashley says. “She's the type of kid I'd like my son to grow up to be.”

17.阅读理解

    Knowing how much her own children loved presents at Christmas, Ann Sutton always tried to seek help for one or two poor families. With a social worker mother, the Sutton children had inherited her commitment to service, and knew never to take their good fortune at Christmas for granted. This year, Kinzie, her seven-year-old daughter was thrilled that Santa Claus would make a special visit to a 22-year-old mother named Ashley who worked in a factory raising her 12-month-old son by herself.

    The phone rang on Sunday. A representative from a local organization was calling to say that the aid Ann had requested for Ashley had fallen through. No Santa Claus, no presents, nothing.

    Ann saw the cheer vanish from her children's faces at the news. Without a word, Kinzie ran into her bedroom. She returned, her face set with determination. Opening up her piggy bank, she put all the coins onto the table: $3.30. Everything she had.

    “Mom,” she told Ann, “I know it's not much. But maybe this will buy a present for the baby.”

    At a breakfast meeting the next day, Ann told her coworkers about her daughter's story. To her surprise, staff members began to open their purses and empty their pockets to help Kinzie. By day's end, the story of Kinzie's gift had spread beyond Ann's office. She received a call from an unknown donor. If a seven-year-old could give everything she had, he said, he should at least match her gift 100 to 1. He contributed $300.

    On Christmas Eve, Ann drove through the pouring rain to the small trailer where the Ashleys lived. Then she began to unload the gifts from the car, handing them to Ashley one by one.

    Ashley was very moved. Reflecting on a little girl's generosity, Ashley says she'll one day be able to do something similar for someone else in need. “Kinzie could have used that money for herself, but she gave it away,” Ashley says. “She's the type of kid I'd like my son to grow up to be.”

3.填空题(共8题)

18.
近似数2.40×104精确到________位.
19.
飞机的无风航速为a千米/时,风速为20千米/时,飞机顺风飞行4小时的行程与飞机逆风飞行3小时的行程相差多少千米?____________.
20.
某商品进价为a元,商店将价格提高30%作为零售价销售,在销售的旺季过后,又以8折优惠的价格开展促销活动,这时一件商品的售价是______元.
21.
若a-2b=3,则2a-4b-5=______.
22.
在多项式中,次数最高的项的系数是_______.
23.
已知A=3x3+2x2-5x+7m+2,B=2x2+mx-3,若多项式A+B不含一次项,则m=_________.
24.
若am+2b3与(n-2)a4b3是同类项,且它们的和为0,则mn=_________.
25.
多项式中,次数最高的项的系数是_______.

4.解答题(共9题)

26.
已知有理数abc 在数轴上对应点如图所示,化简|ab|+|bc|﹣|ca|.
27.
已知a、b互为相反数,c、d互为倒数,|m|=3,求
的值.
28.
某出租车驾驶员从公司出发,在南北向的人民路上连续接送5批客人,行驶路程记录如下(规定向南为正,向北为负,单位:km):
第1批
第2批
第3批
第4批
第5批
5km
2km
﹣4km
﹣3km
10km
 
(1)接送完第5批客人后,该驾驶员在公司什么方向,距离公司多少千米?
(2)若该出租车每千米耗油0.2升,那么在这过程中共耗油多少升?
(3)若该出租车的计价标准为:行驶路程不超过3km收费10元,超过3km的部分按每千米加1.8元收费,在这过程中该驾驶员共收到车费多少元?
29.
如果有理数满足
(1)求a、b的值
(2)试求……的值.
30.
小明去文具用品商店给同学买某品牌水性笔,已知甲、乙两商店都有该品牌的水性笔且标价都是2元/支,但甲、乙两商店的优惠条件却不同.
甲商店:若购买不超过10支,则按标价付款;若一次购10支以上,则超过10支的部分按标价的60%付款. 乙商店:按标价的80%付款.
在水性笔的质量等因素相同的条件下.
(1)设小明要购买的该品牌笔数是x(x>10)支,请用含x的式子分别表示在甲、乙两个商店购买该品牌笔买水性笔的费用.
(2)若小明要购买该品牌笔30支,你认为在甲、乙两商店中,到哪个商店购买比较省钱?说明理由.
31.
(阅读)计算1+3+32+33+…+3100的值,
令M=1+3+32+33+…+3100
则3M=3+32+33+…+3101,因此3M﹣M=3101﹣1,
所以,即
仿照以上推理计算:1+5+52+53+…+52017的值是___________.
32.
(1)计算: 
(2)先化简,再求值:,其中a=-2,b=2.
33.
一个正两位数的个位数字是a,十位数字比个位数字大2.
(1)列式表示这个两位数;
(2)把这个两位数的十位上的数字与个位上的数字交换位置得到一个新的两位数,试说明新数与原数的和能被22整除.
34.
小明做一道数学题:“已知两个多项式ABA=……,B=x2+2x–3,计算2A+B的值.”小明误把“2A+B”看成“A+2B”,求得的结果为7x2–2x+3,请求出2A+B的正确结果.
试卷分析
  • 【1】题量占比

    单选题:(13道)

    选择题:(4道)

    填空题:(8道)

    解答题:(9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:1

    5星难题:0

    6星难题:19

    7星难题:0

    8星难题:5

    9星难题:5