浙江省衢州市第二中学2018-2019学年七年级上学期期中数学试题

适用年级:初一
试卷号:566272

试卷类型:期中
试卷考试时间:2019/12/7

1.单选题(共8题)

1.
下列各对数中,互为相反数的是(  )
A.-(+2)与+(-3)B.-(-4)与|-4|C.-32与(-3)2D.-23与(-2)2
2.
-2016的绝对值是()
A.-2016B.2016C.-D.
3.
在-(-4), |-1|,  0,  (-2)3这四个数中,负数共有(  )
A.1个B.2个C.3个D.4个
4.
下列计算正确的是(   )
A.3a+2a=5a2B.3a-a=3C.2a3+3a2=5a5D.-a2b+2a2b=a2b
5.
下列说法正确的是(  )
A.x+y是一次单项式B.多项式3πa3+4a2-8的次数是4
C.x的系数和次数都是1D.单项式x2没有系数
6.
已知下列各式:-m, 2πR, x+3y, 0,, 其中单项式的个数有(  )
A.2个B.3个C.4个D.5个
7.
若 |a-2|+|b+3|=0,则a-b的值为(    )
A.-5B.1C.-1D.5
8.
观察下列关于x的单项式,探究其规律:x,3x2,5x3,7x4,9x5,11x6,….
按照上述规律,第2015个单项式是()
A.2015x2015B.4029x2014C.4029x2015D.4031x2015

2.选择题(共2题)

9.

用所给词的适当形式填空

①I{#blank#}1{#/blank#} (have/has)told him the news.

②She{#blank#}2{#/blank#} (have/has)come back from school.

③Did you{#blank#}3{#/blank#} (won/win)the first prize yesterday?

④There is a farmer{#blank#}4{#/blank#} (called/calling)Tom.

⑤It doesn’t need{#blank#}5{#/blank#} (to be/being)true.

⑥Her job is{#blank#}6{#/blank#} (to clean/cleaned)the streets.  

⑦I{#blank#}7{#/blank#} (beat/won)him in the tennis game yesterday.

⑧ Has he{#blank#}8{#/blank#} (visited/visiting)the Great Wall?

⑨I can’t afford{#blank#}9{#/blank#} (buying/to buy)the building.

⑩ Class begins.  Stop{#blank#}10{#/blank#} (talking/to talk).

10.

用所给词的适当形式填空

①I{#blank#}1{#/blank#} (have/has)told him the news.

②She{#blank#}2{#/blank#} (have/has)come back from school.

③Did you{#blank#}3{#/blank#} (won/win)the first prize yesterday?

④There is a farmer{#blank#}4{#/blank#} (called/calling)Tom.

⑤It doesn’t need{#blank#}5{#/blank#} (to be/being)true.

⑥Her job is{#blank#}6{#/blank#} (to clean/cleaned)the streets.  

⑦I{#blank#}7{#/blank#} (beat/won)him in the tennis game yesterday.

⑧ Has he{#blank#}8{#/blank#} (visited/visiting)the Great Wall?

⑨I can’t afford{#blank#}9{#/blank#} (buying/to buy)the building.

⑩ Class begins.  Stop{#blank#}10{#/blank#} (talking/to talk).

3.填空题(共1题)

11.
比较大小:-(+)________-1.

4.解答题(共7题)

12.
某工厂一周计划每日生产汽车零件200个,根据实际情况,每日上班人数不一定相等,实际每日生产量与计划量相比情况如下表(以计划量为标准,增加的个数记为正数,减少的个数记为负数):
星期







增减/个数
-2
-10
+12
0
-6
+25
+5
 
(1)这一周一共生产多少个汽车零件?
(2)若每个汽车零件的售价为60元,成本价为45元,销售完这批零件可获利多少元?
13.
把下列各数填在相应的括号里:
-1,  +,  0.15,-(-4),   0,  |-1.5|,  -1008, 
(1)整数:{   …};
(2)负整数:{    …};
(3)分数:{    …}.
14.
计算:-14-(-6)+2-3×(-);
15.
把下列各数表示在数轴上,并用“›”把它们连接起来。
-1,   1.5,  |-3|,  0, -2,   +3
16.
计算:
(1)(-3)+(-4)-(+11)-(-19) 
(2)
17.
先化简,再求值:3x3-(4x2+5x)-3(x3-2x2-2x),其中x=-2.
18.
化简
(1)
(2)
试卷分析
  • 【1】题量占比

    单选题:(8道)

    选择题:(2道)

    填空题:(1道)

    解答题:(7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:0

    7星难题:0

    8星难题:0

    9星难题:16