某商场家电销售部有营业员20名,为了调动营业员的积极性,决定实行目标管理,即确定

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问题:

某商场家电销售部有营业员20名,为了调动营业员的积极性,决定实行目标管理,即确定一个月的销售额目标,根据目标完成情况对营业员进行适当的奖惩.为此,商场统计了这20名营业员在某月的销售额,数据如下:(单位:万元)
25262117282620252630
20212026302521192826
(1)请根据以上信息将下列表格中空缺的部分补充完整.
销售额(万元)1719202125262830
频数(人数)113322
(2)销售额数据中,众数是______万元,中位数是______万元.
(3)如果将众数作为月销售额目标,能否让至少一半的营业员都能达到目标?答:______.(填“能”或“不能”,不说理由)
考点:中位数和众数统计表
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下列说法错误的是(  )

A.2x<﹣8的解集是x<﹣4

B.x<5的正整数解有无穷个

C.﹣15是2x<﹣8的解

D.x>﹣3的非负整数解有无穷个

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关于澳大利亚的说法,错误的是(  )

A.被称为“骑在羊背上的国家”
B.矿产资源十分丰富
C.世界上出口农产品最多的国家

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同义句转换。

1. She likes the book that was written by Lu Xun.

    She likes the book__________ __________ Lu Xun.

2. She decided that she won't go alone.

    She decided __________ _________ go alone.

3. Surfing the Internet can provide us with the latest news.

    Surfing the Internet can ______ the latest news ______ us.

4. It took some students too much time to play computer games.

    Some students ______ too much time ______ computer games.

5. People don't feel like doing simple jobs over and over again.

    People __________ ____________  not to do simple jobs over and over again.

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CAD软件可用来绘制 ( )

A.机械零件图

B.建筑设计图

C.服装设计图

D.以上都对

题型:解答题

试述大陆漂移的证据。

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