2015人教版七年级上册数学第一单元测试题.pdf

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1、精编学习资料欢迎下载2015 人教版七年级上册数学阶段一测试题一、选择题（每题3 分，共 30 分。答案写在答题卡中）题号1 2 3 4 5 6 7 8 9 10 答案1、3 的相反数是（）A、3 B、31C、31D、3 2、-4 的倒数是（）A、4 B、41C、41D、4 3、在5，9，3.5，0.01，2，212各数中，最大的数是（）A 12 B 9 C 0.01 D 5 4、下列计算正确的是（）A、110 B、110 C、3311 D、224 5、5 月 19 日，国家邮政局特别发行万众一心，抗击“非典”邮票，收入全部捐赠给卫生部门用以支持抗击“非典”斗争，其邮票发行为12050000枚

2、，用科学记数法表示正确的是()A1.205107 B1.205108 C1.21 107 D1.2051046、实数 a,b 在数轴上的位置如图所示，下列结论正确的是（）A、b0，B、a0 C、ba D、ab 7、某天股票 A 开盘价为 12 元，上午 12:00 跌 1.0 元，下午收盘时又涨了0.2 元，则股票 A 的收盘价是（）A、0.2 元B、9.8 元C、11.2 元D、12 元0 a b 精编学习资料欢迎下载8、用四舍五入法按要求对304.356分别取近似值,其中错误的是()A、304.4(精确到 0.1)B、304.36(精确到百分位)C、305(精确到个位)D、304.36(精

3、确到 0.01)9、某市 20XX 年元旦的最高气温是12 C（），最低气温为 2 C，那么这天的最高气温比最低气温高（）CA、14 B、10 C、14 D、10 10、若两个有理数的和是正数，那么一定有结论（）（A）两个加数都是正数；（B）两个加数有一个是正数；（C）一个加数正数,另一个加数为零；（D）两个加数不能同为负数二、填空题（每题4 分，共 24 分）11、（3）+9，化简321。12、（3.2）3中底数是 _，乘方的结果符号为 _。13 如果数轴上的点A 对应的数为-1，那么与 A点相距 6 个单位长度的点所对应的有理数为_。14、如果向东走 3 米记为 3 米，那么向西走6 米记

4、作。15、如果|x|，那么x。16、观 察 下 列 算 式：，请 你 在 观 察 规 律 之 后 并 用 你 得 到 的 规 律 填 空：.三、解答题（一）（要求写出解题关键步骤）（每题 6 分，共 24 分）17、713620 18、)32(9449)81(文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7

5、P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 Z

6、H1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7

7、P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 Z

8、H1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7

9、P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 Z

10、H1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2精编学习资料欢迎下载19、(1)3(1 7)3|3|20、(6183125)24四、解答题（二）（每

11、小题 8 分）21、在数轴上表示下列各数，并按从小到大的顺序用“”把这些数连结起来。35，3.5 ，0，|-3|，2 ，3122、把下列各数的 序号填在相应的数集内：1 35+3.2 0 136.5+108 4 6（1）正整数集合 （2）负分数集合 （3）负数集合 （4）整数集合 。23、已知水结成冰的温度是0,酒精冻结的温度是117.现有一杯酒精的温度为12,放在一个制冷装置里,每分钟温度可降低1.6,要使这杯酒精冻结,需要几分钟?（精确到 01 分钟）文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 Z

12、H1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7

13、P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 Z

14、H1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7

15、P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 Z

16、H1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7

17、P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 Z

18、H1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2精编学习资料欢迎下载五、解答题（三）（每小题 9 分，共 18 分）24、有 20 筐白菜，以每筐25 千克为标准，超过或不足的千克数分别用正、负数来表示，记录如表：（1）20 筐白菜中，最重的一筐比最轻的一筐多重多少千克？（2）与标准重量比较，20 筐白菜总计超过或不足多少千克？（3）若白菜每千克售价2.6 元，则出售这20 筐白菜可卖多少元？（结果保留整数）25、某一出租车一天下午以圣堂为出发地在东西走向的公路上运营，向东走为正，向西走为负，行车里程（单位：km）依先后次序记录如下：+9，-

19、3，-5，+4，-8，+6，-3，-6，-4，+10。（1）将最后一名乘客送到目的地，在圣堂的什么方向？出租车离圣堂出发点多远？（2）若每千米的价格为2.4 元，该司机一个下午的营业额是多少？文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码

20、:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5

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24、:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5

25、L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2精编学习资料欢迎下载文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6

26、N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6

27、M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6

28、N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6

29、M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6

30、N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6

31、M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2文档编码:CP3O7P6W6M5 HH4I4R5L1O7 ZH1E6N9Q7T2