人教版数学七年级下册第五章 相交线与平行线 单元测试题

适用年级:初一
试卷号:634941

试卷类型:单元测试
试卷考试时间:2019/3/7

1.选择题(共6题)

1.

习作

通过本单元的学习,我们对保护环境有了进一步的认识。这次习作,我们就写一写这方面的内容。请以“我是环保小卫士”为题,可以写捡垃圾袋,为草地浇水,除草,清除小广告,制止噪音污染……要求写一件事,把重点部分写具体。

2.选择下适当的仪器,按要求填写:
3.和平宪法自1947年施行以来已根植于日本社会,代表了广大日本国民的意志,修宪图谋受到多数日本国民质疑和抗议,背离世界和平与发展的主题。为了世界和平与发展,我们必须(    )

①反对霸权主义和强权政治

②实现世界各国共同富裕

③保障主权国家的基本权利

④巩固联合国的领导作用

4.和平宪法自1947年施行以来已根植于日本社会,代表了广大日本国民的意志,修宪图谋受到多数日本国民质疑和抗议,背离世界和平与发展的主题。为了世界和平与发展,我们必须(    )

①反对霸权主义和强权政治

②实现世界各国共同富裕

③保障主权国家的基本权利

④巩固联合国的领导作用

5.“读中国四大地理区域图”:

6.配对阅读:下表左栏是五个人物介绍,右栏是家电用品介绍,请根据每个人对家电用品需求,为他们选择合适的家电用品。

( B )

{#blank#}1{#/blank#}Bob is often late for school because he always gets up late. This makes his teacher mad. He needs to buy something to wake him up in the morning.

{#blank#}2{#/blank#}Tim likes listening to music when he is free. And he has to send e-mails to his customers every day. He wants to buy something that can help him.

{#blank#}3{#/blank#}Summer has come. Tony is fat and he can't sleep well on such hot days. This troubles him a lot. He'd like to buy something to make him feel cool.

{#blank#}4{#/blank#}Alice often washes her hair late at night. It is often wet when she goes to bed. She is going to buy something that can dry her hair in a short time.

{#blank#}5{#/blank#}Susan is a housewife. She has to do the washing for her family every day. She gets tired of it. She is in need of a product to do it for her. 

A. This electric product can make you cool during the hot days. It can help you change the temperature and control the humidity(湿度)of your room.

B. You can do many things with this product, such as sending e-mails, playing games, getting on line and so on. You can also listen to music with it when you want to relax.

C. This electric product is useful to all of us. People often have one at home. It is often put up on the wall. If you want to know the time, just take a look at it.

D. This can help you wash your dirty clothes and dry them. What you need to do is to turn it on and later hang the clothes on the line. With this electric product, life will be a lot easier for you.

E. Each family needs this product. You can use it to store meat, vegetables, fruits, drinks and medicine. It can keep them cool and fresh so that they will not go bad easily on hot days.

F. It is a very helpful product which tells you the time. It can wake you up with a piece of music any time you want, but you have to set the time first.

G. When you wash your hair, you need this product. It can make your wet hair dry in a minute. It can also be used for drying your wet clothes or some other wet things.

2.单选题(共7题)

7.
如图是一跳远运动员跳落沙坑时留下的痕迹,则表示该运动员成绩的是(   )
A.线段AP1的长B.线段AP2的长
C.线段BP3的长D.线段CP3的长
8.
下列说法中正确的是(   )
A.不相等的角一定不是对顶角
B.互补的两个角是邻补角
C.互补且有一条公共边的两个角是邻补角
D.两条直线相交所成的角是对顶角
9.
如图,能判断直线AB∥CD的条件是(   )
A.∠1=∠2B.∠3=∠4
C.∠1+∠3=180°D.∠3+∠4=180°
10.
如图,下列能判定AB∥CD的条件有(   )个.
(1)∠B+∠BCD=180°;
(2)∠1=∠2;
(3)∠3=∠4;
(4)∠B=∠5.
A.1B.2C.3D.4
11.
如图,能判定EC∥AB的条件是(  )

A. ∠B=∠ACE    B. ∠A=∠ECD    C. ∠B=∠ACB    D. ∠A=∠ACE
12.
如图,BD平分∠ABC,点EBC上且EFAB,若∠FEB=80°,则∠ABD的度数为(  )
A.50°B.65°C.30°D.80°
13.
如图,直线a∥b,直线c与直线a,b相交,若∠1=56°,则∠2等于()
A.24°B.34°C.56°D.124°

3.填空题(共5题)

14.
自来水公司为某小区A改造供水系统,如图所示,沿路线AO铺设管道和BO主管道衔接(AO⊥BO),路线最短、工程造价最低,其根据是___________________
15.
已知为平面内三条不同直线,若,则的位置关系是
16.
如图,直线ABCDBC平分∠ABD.若∠1=54°,则∠2=________°.
17.
如图是一汽车探照灯纵剖面,从位于O点的灯泡发出的两束光线OB,OC经过灯碗反射以后平行射出,如果∠ABO=α,∠DCO=β,则∠BOC的度数是_____.
18.
已知:如图,∠1=∠2=∠3=50°则∠4的度数是__

4.解答题(共7题)

19.
如图,CD∥AB,OE平分∠AOD,OF⊥OE,∠D=50°,求∠DOF的度数.
20.
如图,直线a,b被直线l所截,已知∠1=40°,试求∠2的同位角及同旁内角的度数.
21.
阅读下列解答过程:如图甲,AB∥CD,探索∠P与∠A,∠C之间的关系.

解:过点P作PE∥A
A.
∵AB∥CD,
∴PE∥AB∥CD(平行于同一条直线的两条直线互相平行).
∴∠1+∠A=180°(两直线平行,同旁内角互补),
∠2+∠C=180°(两直线平行,同旁内角互补).
∴∠1+∠A+∠2+∠C=360°.
又∵∠APC=∠1+∠2,
∴∠APC+∠A+∠C=360°.
如图乙和图丙,AB∥CD,请根据上述方法分别探索两图中∠P与∠A,∠C之间的关系.
22.
如图,已知AB∥CD,BC∥ED,请你猜想∠B与∠D之间具有什么数量关系,并说明理由.
23.
如图,在四边形ABCD中,∠B=∠D=90°,AE、CF分别平分∠BAD和∠BCD.求证:AE∥CF.
24.
将一幅三角板拼成如图所示的图形,过点C作CF平分∠DCE交DE于点F,

(1)求证:CF∥AB,
(2)求∠DFC的度数.
25.
看图填空:
如图,∠1的同位角是  
∠1的内错角是  
如果∠1=∠BCD,那么  ,根据是  
如果∠ACD=∠EGF,那么 ,根据是   .
试卷分析
  • 【1】题量占比

    选择题:(6道)

    单选题:(7道)

    填空题:(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:0

    5星难题:0

    6星难题:13

    7星难题:0

    8星难题:2

    9星难题:4