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1、深圳外国语学校2009—2010初一数学期中考试卷考试时间:90分钟Ⅰ卷一、选择题(每小题只有一个正确选项,每题2分,共20分)1.的倒数是()(A)(B)(C)(D)2.用代数式表示:“的3倍与5的差”,其中正确的是:()(A)(B)(C)(D)3.在中负分数有…………………()(A)1个(B)2个(C)3个(D)4个4.下列代数式中,去括号后结果等于的是:(A)(B)(C)(D)5.下列各组数中,相等的是()(A)(B)(C)(D)6.下列图形中,不能折成正方体的是()7.下列各题运算正确的是()(A)(B)offic
2、iallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictransportserv
3、icesisnotyetestablished(C)(D)8.用一个平面去截一个长方体,截面的形状不可能是()(A)四边形(B)五边形(C)六边形(D)七边形9.下列结论正确的个数有()⑴非负整数就是正整数。⑵自然数就是正整数。⑶带有正号的数是正数,带有负号的数是负数。⑷有最小的正整数,但没有最小的正有理数。⑸零大于一切负数,而小于一切正数。(A)1个(B)2个(C)3个(D)4个10.下列计算中正确的个数是()(1)(2)(3)(4)(5)(A)1个(B)3个(C)0个(D)5个二、填空题(每空2分,共20分)11.的系
4、数是__________;的相反数是__________.平方等于16的数是__________,立方等于的数是__________.12.绝对值大于1.5而小于4.5的负整数是__________.13.若和是同类项,则__________;officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonly
5、inYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictransportservicesisnotyetestablished加上等于的代数式是__________.14.已知,那么__________.15.已知是两位数,是一位数,把接写在的后面,就成为一个三位数。这个三位数可表示成__________.16.已知:且,则__________.三.计
6、算:(每题6分,共18分)17.18.19.officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandMetrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integ
7、rationofpublictransportservicesisnotyetestablished四.化简:(每题6分,共12分)20.21.五.解答题:22.化简求值:(8分),其中.23.(本题6分)如左下图所示的,是由5个相同的正方体搭成的一个几何图形,请在指定的位置画出它的各个视图。officiallyestablishedonJuly1,2013,Yibincity,formerlyknownasthebus,integratedoriginalrongzhoubuscompanyinYibincityandM
8、etrobuscompany,formedonlyinYibincityofaState-ownedpublictransportenterprises,thecompanyconsistsofoneortwo,thirdDivision.Integrationofpublictransportserv