2018春冀教版七年级数学下册练习: 第10章 全章热门考点整合应用

适用年级:初一
试卷号:581188

试卷类型:单元测试
试卷考试时间:2018/4/10

1.单选题(共4题)

1.
下列不等式变形中,一定正确的是(  )
A. 若ac>bc,则a>b B. 若a>b,则am2>bm2
C. 若ac2>bc2,则a>b D. 若a>0,b>0,且,则a>b
2.
下列说法中,正确的有(  )
① x=7是不等式x>1的解;
②不等式2x>4的解是x>2;
③不等式组的解集是-2≤x<3;
④不等式组的解集是x=6;
⑤不等式组无解.
A.1个B.2个C.3个D.4个
3.
下列式子是一元一次不等式的是(  )
A.2x2+1>3B.-4<5C.3(x-1)< (2x+1)D.2y>0
4.
下列式子中,一元一次不等式组有(  )
;②;③;④;⑤.
A.1个B.2个C.3个D.4个

2.选择题(共5题)

5.阅读理解

Sally: Good afternoon, Jenny.

Jenny: Good afternoon, Sally.

Sally: Oh, Jenny, this is my aunt Alice. Alice, this is my friend Jenny.

Jenny: Nice to meet you, Alice.

Alice: Nice to meet you, too, Jenny. Your school is very good. I like (喜欢) it.

Jenny: I like it, too.

Sally: Jenny is a good English teacher. Her students (学生) like her.

Jenny: Thank you, Sally.

Alice: Well, have a good day!

Sally & Jenny: Thanks. You, too. Bye.

根据材料内容判断正误。

6.阅读理解

Sally: Good afternoon, Jenny.

Jenny: Good afternoon, Sally.

Sally: Oh, Jenny, this is my aunt Alice. Alice, this is my friend Jenny.

Jenny: Nice to meet you, Alice.

Alice: Nice to meet you, too, Jenny. Your school is very good. I like (喜欢) it.

Jenny: I like it, too.

Sally: Jenny is a good English teacher. Her students (学生) like her.

Jenny: Thank you, Sally.

Alice: Well, have a good day!

Sally & Jenny: Thanks. You, too. Bye.

根据材料内容判断正误。

7.

用(How many\How much)的适当形式填空。

8.

用(How many\How much)的适当形式填空。

9.

用(How many\How much)的适当形式填空。

3.解答题(共7题)

10.
解不等式组,并把解集在数轴上表示出来.(1);(2)
11.
使x-5>4x-3成立的最大整数是多少?
12.
若方程组的解满足﹣1<x+y<1,求k的取值范围.
13.
判断下列各式哪些是等式,哪些是不等式,哪些既不是等式也不是不等式.
① x+y;② 3x>7;③ 5=2x+3;④ x2>0;⑤ 2x-3y=1;⑥ 52;⑦ 2>3.
14.
解不等式:>1-
15.
为建设“秀美幸福之市”,长沙市绿化提质改造工程正如火如荼地进行,某施工队计划购买甲、乙两种树苗共400棵对芙蓉路的某标段道路进行绿化改造,已知甲种树苗每棵200元,乙种树苗每棵300元.
(1)若购买两种树苗的总金额为90000元,求需购买甲、乙两种树苗各多少棵?
(2)若购买甲种树苗的金额不少于购买一中树苗的金额,至少应购买甲种树苗多少棵?
16.
解不等式组并求它的整数解的和.
试卷分析
  • 【1】题量占比

    单选题:(4道)

    选择题:(5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:1

    5星难题:0

    6星难题:6

    7星难题:0

    8星难题:0

    9星难题:4