【单选题】【消耗次数：1】
设A,B为两随机事件，且A<img class=jc-formula data-tex=\supset src=https://huaweicloudobs.ahjxjy.cn/37A4B3C430EFA04CF480D02C0DFECE89.png style=vertical-align: middle; width: 20px; height: 17px; width=20 height=17/>B，则下列式子正确的是
①
P(A<img class=jc-formula data-tex=\cup src=https://huaweicloudobs.ahjxjy.cn/9BD598E68F21E65385221B2250659C3A.png style=vertical-align: middle; width: 22px; height: 14px; width=22 height=14/>B) = P(A)
②
P(AB)=P(A)<img width=99 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>
③
P(B|A)=P(B)
④
P(B-A)=P(B)-P(A)<img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=76 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/><img width=83 height=21 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image004.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>
参考答案：
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相关题目
【单选题】
执行指令MOVX A，@DPTR时，<img width=21 height=13 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:\Users\ADMINI~1\AppData\Local\Temp\ksohtml207924\wps1.jpg style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>、<img width=19 height=12 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:\Users\ADMINI~1\AppData\Local\Temp\ksohtml207924\wps2.jpg style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>脚的电平为（ ）
①
WR高电平，RD低电平
②
WR低电平，RD高电平
③
WR高电平，RD高电平
④
WR低电平，RD低电平
【单选题】
如果某消费者的<img width=87 height=37 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif alt=http://mooc1-api.chaoxing.com/ananas/latex/p/2639229 word_img=file:///C:/Users/ADMINI~1/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>，他会（ ）。
①
增加X商品的购买，减少Y商品的购买；
②
减少X商品的购买，增加Y商品的购买；
③
同时增加X商品和Y商品的购买；
④
同时减少X商品和Y商品的购买。
【判断题】
每个<img width=14 height=15 src=https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/temp/msohtmlclip1/01/clip_image002.gif style=background:url(https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>次多项式在复数域中都有<img width=14 height=15 src=https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/temp/msohtmlclip1/01/clip_image002.gif style=background:url(https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>个根.
①
正确
②
错误
【单选题】
如果商品X对于商品Y的边际替代率<img width=55 height=18 style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/Users/user/AppData/Local/Temp/msohtmlclip1/01/clip_image002.gif/>小于X和Y的价格之比，为使消费者实现效用最大化，则（ ）。
①
X和Y价格不变时，增加X的消费，减少Y的消费。
②
X和Y价格不变时，增加Y的消费，减少X的消费。
③
仅当X的价格降低时，增加X的消费。
④
仅当Y的价格降低时，增加Y的消费。
【判断题】
两个零多项式的最大公因式是<img width=16 height=19 src=https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/temp/msohtmlclip1/01/clip_image002.gif style=background:url(https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>
①
正确
②
错误
【判断题】
如果矩阵<img width=16 height=18 src=https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/temp/msohtmlclip1/01/clip_image002.gif style=background:url(https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>是非退化的，那么它一定是可逆矩阵.
①
正确
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错误
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某一配合的最大过盈为-30μm ，配合公差为40μm<img width=12 height=22 src=http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:\Users\ADMINI~1\AppData\Local\Temp\ksohtml11200\wps1.png style=background:url(http://www.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>则一定是（）配合。
①
过盈
②
过渡
③
间隙
④
不能确定
【判断题】
两个零次多项式的最大公因式是0<img width=5 height=19 src=https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/temp/msohtmlclip1/01/clip_image002.gif style=background:url(https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>
①
正确
②
错误
【简答题】
教育社会学对教师的研究与教育学对教师的研究有着明显的不同的视角。后者是将教师视为“教育者”，旨在揭示作为“教育者”的教师的应有素养、劳动的价值与特点等，而前者则是将教师视为“[填空1]”，旨在揭示其具有的社会学特征。<img width="2" height="157" src="http://www.ahcjzx.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif" word_img="file:///C:\Users\ADMINI~1\AppData\Local\Temp\ksohtml\wps6FF4.tmp.png" style="background:url(http://www.ahcjzx.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd"/><img width="2" height="126" src="http://www.ahcjzx.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif" word_img="file:///C:\Users\ADMINI~1\AppData\Local\Temp\ksohtml\wps7005.tmp.png" style="background:url(http://www.ahcjzx.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd"/>
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“ <img width="19" height="17" style="background: url(/project/js/ueditor/themes/default/images/word.gif) no-repeat center; border: 1px solid rgb(221, 221, 221);" src="/project/js/ueditor/themes/default/images/spacer.gif" word_img="file:///C:/Users/t410i/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg"/>”是哪种装饰音的符号 （ ）
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波音
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倚音
③
回音
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圆柱形容器内盛有高度为3cm的水，若放入三个相同的珠（球的半么与圆柱的底面半径相同）后，水恰好淹没最上面<img width="58" height="114" src="https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif" alt="高考资源网(www.ks5u.com)，中国最大的高考网站，您身边的高考专家。" word_img="file:///C:/Users/94084/AppData/Local/Temp/msohtmlclip1/01/clip_image002.jpg" style="background:url(https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd"/><img width="132" height="118" src="https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif" word_img="file:///C:/Users/94084/AppData/Local/Temp/msohtmlclip1/01/clip_image004.jpg" style="background:url(https://main.ahjxjy.cn/design/html/js/vender/ueditor/lang/zh-cn/images/localimage.png) no-repeat center center;border:1px solid #ddd"/>的球，则球的半径是[填空1]
随机题目
【多选题】
职位薪酬管理体系的特点包括
①
根据员工所担任的工作职位支付工资
②
根据职位评价的结果，确定各类职位的相对价值，规定相应的工资标准
③
职位薪酬管理体系是一种相对稳定的薪酬管理体系
④
有利于实现同工同酬，调动所有员工的积极性
⑤
在企业支付能力一定的情况下，基本薪酬水平与竞争性劳动力市场保持一致