【判断题】【消耗次数：1】
如果你打电话的目的是要和潜在客户约时间会面，一定要用多介绍有关推销品的内容，以引起对方重视。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
文员在接打电话时，正确的做法是（ ）。
①
电话铃响一声就应接听
②
在电话机旁随时放着电话记录单和笔，一有留言就能立即记录下来
③
文员接听业务电话时，应首先让对方报出姓名、单位
④
文员替上司传话时，应考虑对方的情绪以个人的口吻转达
【单选题】
以下哪个接打电话的行为是不正确的？（ ）。
①
受到通话对方极大的责难，应针锋相对回击
②
给上司的留言下面朝下放在他的办公桌上
③
做记录时可以在便笺下垫一张复写纸，以防遗失后备用
④
中途因有事需放下电话请对方等待时，应把听筒朝下放置
随机题目
【单选题】
设<imgwidth="110"height="21"v:shapes="_x0000_i1082"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image113.png">是连续型随机变量<imgwidth="19"height="17"v:shapes="_x0000_i1083"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image002.png">的分布函数，则下列结论中不正确的是（）
①
<imgwidth="36"height="21"v:shapes="_x0000_i1084"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image115.png">不是不减函数
②
<imgwidth="36"height="21"v:shapes="_x0000_i1085"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image115.png">是不减函数
③
<imgwidth="36"height="21"v:shapes="_x0000_i1086"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image115.png">是右连续的
④
<imgwidth="143"height="21"v:shapes="_x0000_i1087"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image117.png">
【单选题】
设二维随机变量<imgwidth="187"height="26"v:shapes="_x0000_i1135"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image189.png">，且<imgwidth="19"height="17"v:shapes="_x0000_i1136"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image127.png">与<imgwidth="15"height="17"v:shapes="_x0000_i1137"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image185.png">相互独立，则（）
①
<imgwidth="50"height="25"v:shapes="_x0000_i1138"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image191.png">
②
<imgwidth="115"height="26"v:shapes="_x0000_i1139"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image193.png">
③
<imgwidth="61"height="26"v:shapes="_x0000_i1140"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image195.png">
④
<imgwidth="40"height="21"v:shapes="_x0000_i1141"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image197.png">
【单选题】
下列各函数中是随机变量分布函的为（）
①
<imgwidth="179"height="41"v:shapes="_x0000_i1211"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image319.png">
②
<imgwidth="132"height="69"v:shapes="_x0000_i1212"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image321.png">
③
<imgwidth="160"height="26"v:shapes="_x0000_i1213"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image323.png">
④
<imgwidth="240"height="41"v:shapes="_x0000_i1214"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image325.png">
【单选题】
<imgwidth="466"height="185"v:shapes="图片_x0020_1"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image388.png">
①
<imgwidth="90"height="42"v:shapes="_x0000_i1254"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image390.png">
②
<imgwidth="88"height="22"v:shapes="_x0000_i1255"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image392.png">
③
<imgwidth="90"height="42"v:shapes="_x0000_i1256"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image394.png">
④
<imgwidth="90"height="42"v:shapes="_x0000_i1257"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image396.png">
【单选题】
对于正态分布<imgwidth="84"height="22"v:shapes="_x0000_i1400"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image525.png">，抽取容量为10的样本，算得样本均值<imgwidth="63"height="20"v:shapes="_x0000_i1401"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image527.png">，样本方差<imgwidth="81"height="20"v:shapes="_x0000_i1402"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image529.png">，给定显著水平<imgwidth="60"height="18"v:shapes="_x0000_i1403"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image531.png">，检验假设<imgwidth="75"height="22"v:shapes="_x0000_i1404"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image533.png"><imgwidth="35"height="22"v:shapes="_x0000_i1405"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image535.png"><imgwidth="58"height="18"v:shapes="_x0000_i1406"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image537.png">.则正确的方法和结论是（）
①
用<imgwidth="12"height="14"v:shapes="_x0000_i1407"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image539.png">检验法，查临界值表知<imgwidth="78"height="22"v:shapes="_x0000_i1408"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image541.png">，拒绝<imgwidth="22"height="22"v:shapes="_x0000_i1409"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image465.png">
②
用<imgwidth="12"height="14"v:shapes="_x0000_i1410"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image539.png">检验法，查临界值表知<imgwidth="75"height="22"v:shapes="_x0000_i1411"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image544.png">，拒绝<imgwidth="22"height="22"v:shapes="_x0000_i1412"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image465.png">
③
用<imgwidth="12"height="14"v:shapes="_x0000_i1413"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image546.png">检验法，查临界值表知<imgwidth="102"height="22"v:shapes="_x0000_i1414"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image548.png">，拒绝<imgwidth="22"height="22"v:shapes="_x0000_i1415"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image465.png">
④
用<imgwidth="12"height="14"v:shapes="_x0000_i1416"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image546.png">检验法，查临界值表知<imgwidth="84"height="22"v:shapes="_x0000_i1417"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image550.png">，拒绝<imgwidth="22"height="22"v:shapes="_x0000_i1418"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image465.png">
【单选题】
<imgwidth="526"height="53"v:shapes="图片_x0020_151"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image149.png">
①
<imgwidth="51"height="28"v:shapes="图片_x0020_152"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image150.png">
②
<imgwidth="66"height="22"v:shapes="图片_x0020_153"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image151.png">
③
<imgwidth="46"height="23"v:shapes="图片_x0020_154"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image152.png">
④
<imgwidth="46"height="22"v:shapes="图片_x0020_155"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image153.png">
【单选题】
小王后还剩52张牌中一张一张有放回地取4张，则恰有3张是黑桃的概率为（）
①
<imgwidth="48"height="48"v:shapes="_x0000_i1087"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image122.png">
②
<imgwidth="84"height="49"v:shapes="_x0000_i1088"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image124.png">
③
<imgwidth="64"height="48"v:shapes="_x0000_i1089"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image126.png">
④
<imgwidth="61"height="48"v:shapes="_x0000_i1090"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image128.png">
【单选题】
向量空间<imgwidth="216"height="28"src="data:image/png;base64,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"/>的维数等于（）
①
0
②
1
③
2
④
3
【单选题】
设<imgwidth="48"height="26"v:shapes="_x0000_i1189"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image226.png">是<imgwidth="16"height="18"v:shapes="_x0000_i1190"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image220.png">的特征值且<imgwidth="54"height="22"v:shapes="_x0000_i1191"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image228.png">，则<imgwidth="26"height="28"v:shapes="_x0000_i1192"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image230.png">是（）特征值
①
<imgwidth="28"height="18"v:shapes="_x0000_i1193"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image232.png">
②
<imgwidth="26"height="22"v:shapes="_x0000_i1194"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image234.png">
③
<imgwidth="22"height="22"v:shapes="_x0000_i1195"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image236.png">
④
<imgwidth="28"height="22"v:shapes="_x0000_i1196"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image238.png">
【单选题】
<imgwidth="356"height="24"v:shapes="图片_x0020_9"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image009.png">
①
<imgwidth="98"height="31"v:shapes="图片_x0020_10"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image010.png">
②
<imgwidth="50"height="23"v:shapes="图片_x0020_11"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image011.png">
③
<imgwidth="141"height="32"v:shapes="图片_x0020_12"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image012.png">
④
<imgwidth="126"height="26"v:shapes="图片_x0020_13"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image013.png">