四川省泸州泸县2017-2018学年八年级上学期期中考试数学试题

适用年级:初二
试卷号:204243

试卷类型:期中
试卷考试时间:2017/12/18

1.单选题(共12题)

1.
下列多项式中,能分解因式的是:
A.B.C.D.
2.
分式中,最简分式个数为( )个.
A.1B.2C.3D.4
3.
无论取何值,下列分式总有意义的是(    )
A.B.C.D.
4.
中,,则(    )
A.40°B.60°C.80°D.120°
5.
如图所示,在中,为斜边的中点,,且,则 (    )
A.B.C.D.
6.
如图,已知MB=ND,∠MBA=∠NDC,下列条件中不能判定△ABM≌△CDN的是(  )
A.∠M=∠NB.AM=CNC.AB=CDD.AM∥CN
7.
如图,中,平分.则(    )
A.B.C.D.
8.
已知一个等腰三角形内角的度数之比为,则它的顶角的度数为(    )
A.B.C.D.
9.
下列计算的结果正确的是(    )
A.B.C.D.
10.
如图,已知MB=ND,∠MBA=∠NDC,下列哪个条件不能判定△ABM≌△CDN(    ) 
A.AM=CN B.AB=CDC.AM∥CN   D.∠M=∠N
11.
一个多边形的每一个内角都等于,则这个多边形的内角和是(    )
A.B.C.D.
12.
,则的值为(    ).
A.9B.7C.11D.6

2.选择题(共4题)

13.

短文改错。文中共有10处语言错误,每句中最多有两处。每处错误涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。

删除:把多余的词用斜线(﹨)划掉。

修改:在错的词下面画一横线,并在该词下面写出修改后的词。

注意:1). 每处错误及其修改均仅限一词;

2). 只允许修改10处,多者(从第11处起)不计分。

Dear Xiaohua,

    It is four days since mother recieves the operation. She is feeling much more better. The doctors told me the operation was successful, but because her old age she had to stay in hospital for other two weeks. The doctors also say it was quite necessary for him to do so. We expect to get a full report in two and three days. Please tell the good news to the rest of the family as soon as possible. You need't come here. I'm able to look at mother by myself. You can send some flower to her. She will feel very happily.

Yours,

Xiaohua

14.

短文改错。文中共有10处语言错误,每句中最多有两处。每处错误涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词。

删除:把多余的词用斜线(﹨)划掉。

修改:在错的词下面画一横线,并在该词下面写出修改后的词。

注意:1). 每处错误及其修改均仅限一词;

2). 只允许修改10处,多者(从第11处起)不计分。

Dear Xiaohua,

    It is four days since mother recieves the operation. She is feeling much more better. The doctors told me the operation was successful, but because her old age she had to stay in hospital for other two weeks. The doctors also say it was quite necessary for him to do so. We expect to get a full report in two and three days. Please tell the good news to the rest of the family as soon as possible. You need't come here. I'm able to look at mother by myself. You can send some flower to her. She will feel very happily.

Yours,

Xiaohua

15.对下列句子分类正确的一项是的           (   )
(1)求人可使报秦者   (2)王尝语庄子以好乐   (3)秦城恐不可得,徒见欺
(4)乃设九宾礼于廷   (5)是乃仁术也         (6)盖文王拘两演《周易》
(7)惟奕秋之为听     (8)大王见臣列观       (9)譬若以肉投馁虎,何功之有哉?
(10)至激于义理者不然 (11)无兄弟之亲        (12)君乃亡赵走燕
(13)诗云:“他人有心,予圣寸度之。”——夫子之谓也。
16.对下列句子分类正确的一项是的           (   )
(1)求人可使报秦者   (2)王尝语庄子以好乐   (3)秦城恐不可得,徒见欺
(4)乃设九宾礼于廷   (5)是乃仁术也         (6)盖文王拘两演《周易》
(7)惟奕秋之为听     (8)大王见臣列观       (9)譬若以肉投馁虎,何功之有哉?
(10)至激于义理者不然 (11)无兄弟之亲        (12)君乃亡赵走燕
(13)诗云:“他人有心,予圣寸度之。”——夫子之谓也。

3.填空题(共8题)

17.
分解因式:=_________________.
18.
若代数式的值为零,则代数式的值是___________.
19.
分式:的最简公分母是__.
20.
红细胞的平均直径为,将0.0000077用科学记数法表示为__________.
21.
如图,等腰三角形,线段的垂直平分线交于点,交于点,连接,则___________.
22.
如图,上,上,,则___________.
23.
计算:=_________.
24.
,则的值是________

4.解答题(共5题)

25.
因式分解:
26.
解方程:
27.
如图,在中,交于.求证:.
28.
如图,在等腰中,是斜边上上任一点,的延长线于于点,交

(1)求证:
(2)探索之间的数量关系.
试卷分析
  • 【1】题量占比

    单选题:(12道)

    选择题:(4道)

    填空题:(8道)

    解答题:(5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:9

    5星难题:0

    6星难题:7

    7星难题:0

    8星难题:0

    9星难题:9