最新七年级上册数学复习题图形1优秀名师资料.doc
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1、七年级上册数学复习题图形1七年级上册数学练习(图形) 班级:_ 姓名_ 学号_ 一. 单项选择题 (每小题3分, 共27分) 01. 把一个周角n等分, 每份是18, 则n等于( ) A. 18 B. 19 C. 20 D. 21 02. 两个角的大小之比是7:3, 它们的差是72, 则这两个角的关系是( ) A. 相等 B. 互补 C. 互余 D. 无法确定 3. 下图右边四个图形中是左边展形图的立体图的是( ) 4.下面几何体的截面图可能是圆的是 ( ) A. 正方体 B. 圆锥 C. 长方体 D. 棱柱 5.用一个平面去截一个正方体,截出截面不可能是 ( ) A.三角形 B.五边形 C.
2、六边形 D.七边形 6(在直线l上顺次取A、B、C三点,使得AB=5cm,BC=3cm,如果O是线段AC的中点,那么线段OC的长度是 ( ) A. 1.5cm B. 2cm C. 4cm D. 6cm 7(小明用如图所示的胶滚沿从左到右的方向将图案滚涂到墙上,下列给出的四个图案中,符合图示胶滚涂出的图案是 ( ) 8(已知有理数在数轴上的位置如图所示,下列结论正确的是( ) ab,a,b,0b,0,ab,a,0a,0,b A( B( C( D( 9(如图,直线AB、CD相交于点O,?1=?2, 若?AOE=140?,则?AOC的度数为( ) A(40? B(60? C(80? D(100? p
3、lug up loopholes in management. The members of the leadership team to in accordance with their respective functions and duties, earnestly implement the good charge range of responsibility for production safety, catch hidden investigation and remediation as current a hard task, personally check, supe
4、rvise and urge the rectification in place. The county Government to implement to ensure that within the jurisdiction of all walks of life of responsibility for production safety, do not stay dead. The relevant government departments to Kaoshi production safety supervision responsibilities, do a good
5、 job in the industry in this field investigation and security risks, have to carry out remediation to ensure safety in production. In view of the existing problems, conscientiously do a good job of inspection work in the industry, do in-depth inspection line to really, inspection of law enforcement
6、should be strict, style of work to hard, rectification measures to be implemented. The industry department in charge of the performance of their duties and major safety hazards investigation remediation to conduct supervision and inspection, of work are not effective, the duty not to implement, thro
7、ugh interviews, bulletin, accountability and other measures, Zadok Promoting the implementation of the rectification. The county and the park management committee to earnestly implement the territorial supervision responsibility, bear the overall responsibility for production safety work in the regi
8、on, to further clarify the government leadership and the leadership of various departments of production safety work responsibility, judged the regional 10(下列各选项中的两个项是同类项的是( ) 322332223 A(ab和ab B(和3ba C(3abc和3abc D(2a和a ,5ab11(已知?A和?B互为余角,若?A=45?,则?B为( ) A(45? B(135? C(55? D(155? 12(如图,已知线段AB=3cm,延长
9、AB到C,使BC=6 cm,又延长BA到D,使DA=1 cm, 下列结论正确的是( ) DABC2213 A( B( C( D( DB,BCDC,ABDA,ABDB,AB345413(如图,OB、OC、OD是?AOE内的三条射线,问图中有( )个角 ABC A( 8个 B. 9个 C(10个 D. 11个 D14. 右图中几何体的左视图是( ) OEA( D( C( B( 15(一个角的补角是它的余角的3倍,这个角的度数是( ) A(40度 B(45度 C. 50度 D. 55度 b16. 己知、两数在数轴上对应的点如图所示,下列结论正确的是( ) aab,ab,0ba,0ab,,0A( B(
10、 C( D( 17. 将一副三角板的直角顶点重合放置于A处(两块三角板可以在同一平面内自由转动),下列结论一定(C D 成立的是( ) E A(?BAE,?DAC B(?BAE-?DAC=45? C(?BAE+?DAC=180? D(?BAD?EAC B A 二. 填空题. 1. 如图, 已知A、B、C、D是同一直线上的四点, 看图填空: AC=_+BC, BD=AD,_, AC_. (第10题图) (第2题图) 2. 在图中, 共有k个三角形, 则k+2010=_. , bearrectification. The county and the park management committ
11、ee to earnestly implement the territorial supervision responsibilitynot to implement, through interviews, bulletin, accountability and other measures, Zadok Promoting the implementation of the duty ties and major safety hazards investigation remediation to conduct supervision and inspection, of work
12、 are not effective, thee of work to hard, rectification measures to be implemented. The industry department in charge of the performance of their dudepth inspection line to really, inspection of law enforcement should be strict, styl-job of inspection work in the industry, do ins, have to carry out
13、remediation to ensure safety in production. In view of the existing problems, conscientiously do a good risk Kaoshi production safety supervision responsibilities, do a good job in the industry in this field investigation and security iction of all walks of life of responsibility for production safe
14、ty, do not stay dead. The relevant government departments tojurisdersonally check, supervise and urge the rectification in place. The county Government to implement to ensure that within the od charge range of responsibility for production safety, catch hidden investigation and remediation as curren
15、t a hard task, pes, earnestly implement the goplug up loopholes in management. The members of the leadership team to in accordance with their respective functions and duti2dership of various departments of production safety work responsibility, judged the regionalthe overall responsibility for produ
16、ction safety work in the region, to further clarify the government leadership and the lea 003. 3.76=_度_分_秒; 223224=_度. 4. 将图中所示的纸片沿虚线折叠起来的几何体是_. 且1的对面是_, 2的对面是_, 3的对面是_. 1 5、若要使图中平面展开图按虚线折叠成正方体后,相 2 3 对面上两个数之和为6,x= ,y= . x y 6(已知?A=56?17,那么?A的补角是_. 7(一个立体图形的三视图如下,这种立体图形是_. 左视图 正视图 俯视图 8(把一根木条钉在墙上使其固
17、定,至少需要_个钉子,其理由是_ _。 9(36?角的余角是_?;计算:42?42=_?. 10(如图,表示南偏东40?的方向线是射线_。 11. 2700秒= 分= 度, 1.45度= 分= 秒 13(下午3:30这一时刻,时钟上分针与时针所夹的角等于 度 三. 解答题. 1. 一个正方体6个面分别写着1、2、3、4、5、6, 根据下列摆放的三种情况, 那么每个数对面上的数是几? 解:1的对面是:_ ,2的对面是:_ 3的对面是:_ 002. 如图所示, 直线AB、CD相交于O, OE平分?AOD, ?FOC=90, ?1=40, 求?2和?3的度数. 3ership of various
18、departments of production safety work responsibility, judged the regionale leadbear the overall responsibility for production safety work in the region, to further clarify the government leadership and thctification. The county and the park management committee to earnestly implement the territorial
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