2019-2020学年河北省沧州市河间市七年级下学期期末考试
数学试卷
一．选择题（共12小题，满分24分，每小题2分）
1．![](https://wkrtcs.bdimg.com/rtcs/image?w=39&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","w":"39","h":"29","c":"f3ef1ecde8d7e3da4fe7d8c3c5c5ed8f.png"})
A．6 B．±6 C．![](https://wkrtcs.bdimg.com/rtcs/image?w=27&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","w":"27","h":"29","c":"65ebe73c520528b6825b8ff4002086d7.png"})
2．不等式![](https://wkrtcs.bdimg.com/rtcs/image?w=59&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","w":"59","h":"78","c":"4950a07db9d886ab8f69e396c4a0da52.png"})
A．![](https://wkrtcs.bdimg.com/rtcs/image?w=110.00&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","r":"r_4","w":"110.00","h":"32.00","dataType":"png","c":"word/media/image1.png","imgOriW":110,"imgOriH":32})
B．
C．![](https://wkrtcs.bdimg.com/rtcs/image?w=110.00&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","r":"r_4","w":"110.00","h":"32.00","dataType":"png","c":"word/media/image3.png","imgOriW":110,"imgOriH":32})
D．
3．已知点P位于x轴上方，距离x轴4个单位长度，位于y轴右侧，距y轴3个单位长度，则点P坐标是（ ）
A．（﹣3，4） B．（﹣4，3） C．（3，4） D．（4，3）
4．下列计算正确的是（ ）
A．![](https://wkrtcs.bdimg.com/rtcs/image?w=55&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","w":"55","h":"29","c":"604d631a3afd5512f3dc7b4d0a71a52f.png"})
5．在新冠肺炎防控期间，要了解某学校以下情况，其中适合用普查的有（ ）
①了解学校口罩、洗手液、消毒片的储备情况；
②了解全体师生在寒假期间的离锡情况；
③了解全体师生入校时的体温情况；
④了解全体师生对“七步洗手法”的运用情况．
A．1个 B．2个 C．3个 D．4
6．如图，若两条平行线EF，MN与直线AB，CD相交，则图中共有同旁内角的对数为（ ）
![](https://wkrtcs.bdimg.com/rtcs/image?w=109.00&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","r":"r_4","w":"109.00","h":"113.00","dataType":"png","c":"word/media/image5.png","imgOriW":109,"imgOriH":113})
A．4 B．8 C．12 D．16
7．用加减法解方程组![](https://wkrtcs.bdimg.com/rtcs/image?w=122&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","w":"122","h":"78","c":"7b65e36a881df2e1579e3915a5f999e4.png"})
A．①×4﹣②×3 B．①×4+②×3 C．②×2﹣① D．②×2+①
8．如图，已知AB∥CD，直线AB，CD被BC所截，E点在BC上，若∠1＝45°，∠2＝35°，则∠3＝（ ）
![](https://wkrtcs.bdimg.com/rtcs/image?w=157.00&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","r":"r_4","w":"157.00","h":"122.00","dataType":"png","c":"word/media/image6.png","imgOriW":157,"imgOriH":122})
A．65° B．70° C．75° D．80°
9．已知![](https://wkrtcs.bdimg.com/rtcs/image?w=51&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","w":"51","h":"78","c":"5a97e0e17d406f72674559e4b1505418.png"})
A．2 B．4 C．6 D．10
10．在平面直角坐标系中，将点（﹣2，﹣4）向下平移3个单位长度后得到的点的坐标是（ ）
A．（﹣2，﹣1） B．（﹣5，﹣4） C．（1，﹣4） D．（﹣2，﹣7）
11．已知关于x的不等式组![](https://wkrtcs.bdimg.com/rtcs/image?w=81&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","w":"81","h":"78","c":"6582fd2ff3afa9c22c062e9d0fc9bd4c.png"})
A．﹣4＜a＜﹣3 B．﹣4≤a＜﹣3 C．a＜﹣3 D．﹣4＜a![](https://wkrtcs.bdimg.com/rtcs/image?w=30&md5sum=57eaac6aff70609826819531a889fc49&sign=a0e1af88ed&rtcs_flag=2&rtcs_ver=4&l=webapp&bucketNum=287&ipr={"t":"img","w":"30","h":"43","c":"9019923d02fc274cd5a85e32a00886d5.png"})
12．一个容量为80的样本最大值为143，最小值为50，取组距为10，则可以分成（ ）
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