【单选题】【消耗次数：1】
掷一枚骰子，设<imgwidth="247"height="22"v:shapes="_x0000_i1162"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image222.png">，则下列说法正确的是（）
①
<imgwidth="131"height="22"v:shapes="_x0000_i1163"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image224.png">
②
<imgwidth="108"height="25"v:shapes="_x0000_i1164"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image226.png">
③
<imgwidth="90"height="25"v:shapes="_x0000_i1165"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image228.png">
④
<imgwidth="73"height="17"v:shapes="_x0000_i1166"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image230.png">
参考答案：
复制
纠错
相关题目
【单选题】
设<imgwidth="16"height="17"v:shapes="_x0000_i1188"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image265.png">与<imgwidth="16"height="17"v:shapes="_x0000_i1189"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image267.png">为两个随机事件，且有<imgwidth="88"height="21"v:shapes="_x0000_i1190"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image271.png">，则下列结论中正确的是（）
①
<imgwidth="152"height="21"v:shapes="_x0000_i1191"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image273.png">
②
<imgwidth="152"height="21"v:shapes="_x0000_i1192"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image275.png">
③
<imgwidth="90"height="21"v:shapes="_x0000_i1193"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image277.png">
④
<imgwidth="112"height="21"v:shapes="_x0000_i1194"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image279.png">
【单选题】
设<imgwidth="73"height="21"v:shapes="_x0000_i1028"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image002.png">，则（）
①
A和B不相容
②
A和B相互独立
③
<imgwidth="61"height="21"v:shapes="_x0000_i1025"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image004.png">或<imgwidth="61"height="21"v:shapes="_x0000_i1026"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image006.png">
④
<imgwidth="111"height="21"v:shapes="_x0000_i1027"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image008.png">
【单选题】
一枚硬币投掷两次，令<imgwidth="32"height="25"v:shapes="_x0000_i1040"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image032.png">“第<imgwidth="9"height="17"v:shapes="_x0000_i1041"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image034.png">次正面朝上”<imgwidth="55"height="21"v:shapes="_x0000_i1042"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image036.png">，则“至多有一次正面朝上可表示为（）
①
<imgwidth="80"height="26"v:shapes="_x0000_i1043"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image038.png">
②
<imgwidth="33"height="26"v:shapes="_x0000_i1044"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image040.png">
③
<imgwidth="35"height="27"v:shapes="_x0000_i1045"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image042.png">
④
<imgwidth="50"height="25"v:shapes="_x0000_i1046"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image044.png">
【单选题】
<imgwidth="183"height="25"v:shapes="_x0000_i1194"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image285.png">，且<imgwidth="21"height="25"v:shapes="_x0000_i1195"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image287.png">与<imgwidth="22"height="25"v:shapes="_x0000_i1196"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image289.png">相互独立，则<imgwidth="68"height="25"v:shapes="_x0000_i1197"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image291.png">（）
①
<imgwidth="84"height="25"v:shapes="_x0000_i1198"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image293.png">
②
<imgwidth="92"height="25"v:shapes="_x0000_i1199"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image295.png">
③
<imgwidth="88"height="41"v:shapes="_x0000_i1200"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image297.png">
④
<imgwidth="96"height="41"v:shapes="_x0000_i1201"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image299.png">
【单选题】
<imgwidth="14"height="14"v:shapes="_x0000_i1208"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image301.png">张奖券中含有<imgwidth="17"height="15"v:shapes="_x0000_i1209"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image303.png">张有奖的，今有<imgwidth="13"height="19"v:shapes="_x0000_i1210"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image305.png">个人每人购买1张，则其中至少有1个人中奖的概率为（）
①
<imgwidth="26"height="46"v:shapes="_x0000_i1211"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image307.png">
②
<imgwidth="56"height="48"v:shapes="_x0000_i1212"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image309.png">
③
<imgwidth="55"height="48"v:shapes="_x0000_i1213"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image311.png">
④
<imgwidth="46"height="48"v:shapes="_x0000_i1214"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image313.png">
【单选题】
设随机变量<imgwidth="13"height="15"v:shapes="_x0000_i1216"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image328.png">和<imgwidth="13"height="17"v:shapes="_x0000_i1217"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image330.png">的密度函数分别为<imgwidth="131"height="48"v:shapes="_x0000_i1218"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image332.png"><imgwidth="140"height="50"v:shapes="_x0000_i1219"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image334.png">若<imgwidth="13"height="15"v:shapes="_x0000_i1220"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image328.png">与<imgwidth="13"height="17"v:shapes="_x0000_i1221"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image330.png">相互独立，则<imgwidth="57"height="21"v:shapes="_x0000_i1222"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image336.png">（）
①
1
②
<imgwidth="16"height="41"v:shapes="_x0000_i1223"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image338.png">
③
<imgwidth="15"height="41"v:shapes="_x0000_i1224"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image340.png">
④
<imgwidth="16"height="41"v:shapes="_x0000_i1225"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image342.png">
【单选题】
设<imgwidth="90"height="25"v:shapes="_x0000_i1095"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image084.png">，则<imgwidth="73"height="44"v:shapes="_x0000_i1096"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image112.png">~（）
①
<imgwidth="64"height="25"v:shapes="_x0000_i1097"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image113.png">
②
<imgwidth="48"height="21"v:shapes="_x0000_i1098"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image114.png">
③
<imgwidth="80"height="41"v:shapes="_x0000_i1099"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image116.png">
④
<imgwidth="108"height="25"v:shapes="_x0000_i1100"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image117.png">
【单选题】
设<imgwidth="90"height="25"v:shapes="_x0000_i1032"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image016.png">，则<imgwidth="87"height="21"v:shapes="_x0000_i1033"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image018.png">（）
①
<imgwidth="83"height="21"v:shapes="_x0000_i1034"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image020.png">
②
<imgwidth="83"height="21"v:shapes="_x0000_i1035"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image022.png">
③
<imgwidth="136"height="42"v:shapes="_x0000_i1036"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image024.png">
④
<imgwidth="136"height="42"v:shapes="_x0000_i1037"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb08.files/image026.png">
【单选题】
<imgwidth="13"height="21"v:shapes="_x0000_i1174"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image254.png">与<imgwidth="13"height="17"v:shapes="_x0000_i1175"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image256.png">的相关系数<imgwidth="50"height="26"v:shapes="_x0000_i1176"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image258.png">，表示<imgwidth="13"height="21"v:shapes="_x0000_i1177"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image254.png">与<imgwidth="13"height="17"v:shapes="_x0000_i1178"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image256.png">（）
①
相互独立
②
不线性相关
③
存在常数<imgwidth="27"height="21"v:shapes="_x0000_i1179"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image260.png">使<imgwidth="116"height="27"v:shapes="_x0000_i1180"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image262.png">
④
满足<imgwidth="164"height="29"v:shapes="_x0000_i1181"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image264.png">
【单选题】
在采访中，记者既要"身入"，又要"心入"。"心入"，就是要有强烈的社会责任感， 要对客观事物进行由表及里的分析，还要().
①
A.广泛地接触群众
②
B.多方面地挖掘材料
③
C.细心地掂量各种材料的价值
④
D.细心地掂量各种材料的价值
随机题目
【单选题】
从一批产品中随机抽两次，每次抽1件。以A表示事件“两次都抽得正品”，B表示事件“至少抽得一件次品”，则下列关系式中，正确的是（）
①
<imgwidth="46"height="17"v:shapes="_x0000_i1077"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image102.png">
②
<imgwidth="46"height="17"v:shapes="_x0000_i1078"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image104.png">
③
<imgwidth="42"height="17"v:shapes="_x0000_i1079"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image106.png">
④
<imgwidth="42"height="20"v:shapes="_x0000_i1080"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb06.files/image108.png">
【单选题】
<imgwidth="440"height="36"v:shapes="图片_x0020_179"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image185.png">
①
<imgwidth="449"height="27"v:shapes="图片_x0020_180"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image186.png">
②
<imgwidth="284"height="27"v:shapes="图片_x0020_181"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image187.png">
③
<imgwidth="278"height="23"v:shapes="图片_x0020_182"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image188.png">
④
以上都不对
【单选题】
设<imgwidth="18"height="18"v:shapes="_x0000_i1095"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image004.png">是一个<imgwidth="14"height="16"v:shapes="_x0000_i1096"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image002.png">阶<imgwidth="40"height="20"v:shapes="_x0000_i1097"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image082.png">阶方阵，下列陈述中正确的是（）
①
如存在数<imgwidth="16"height="20"v:shapes="_x0000_i1098"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image010.png">和向量<imgwidth="18"height="16"v:shapes="_x0000_i1099"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image084.png">使<imgwidth="72"height="20"v:shapes="_x0000_i1100"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image086.png">，则<imgwidth="18"height="16"v:shapes="_x0000_i1101"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image084.png">是<imgwidth="18"height="18"v:shapes="_x0000_i1102"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image004.png">的属于特征值<imgwidth="16"height="20"v:shapes="_x0000_i1103"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image010.png">的特征向量
②
如存在数<imgwidth="16"height="20"v:shapes="_x0000_i1104"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image010.png">和非零向量<imgwidth="18"height="16"v:shapes="_x0000_i1105"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image084.png">，使<imgwidth="114"height="28"v:shapes="_x0000_i1106"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image088.png">，则<imgwidth="16"height="20"v:shapes="_x0000_i1107"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image010.png">是<imgwidth="18"height="18"v:shapes="_x0000_i1108"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image004.png">的特征值
③
<imgwidth="18"height="18"v:shapes="_x0000_i1109"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image004.png">的2个不同的特征值可以有同一个特征向量
④
<imgwidth="64"height="26"v:shapes="_x0000_i1110"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image090.png">是<imgwidth="18"height="18"v:shapes="_x0000_i1111"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image004.png">的3个互不相同的特征值，<imgwidth="70"height="26"v:shapes="_x0000_i1112"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image066.png">依次是<imgwidth="18"height="18"v:shapes="_x0000_i1113"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image004.png">的属于<imgwidth="64"height="26"v:shapes="_x0000_i1114"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image090.png">的特征向量，则<imgwidth="70"height="26"v:shapes="_x0000_i1115"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image066.png">有可能线性相关
【单选题】
设二维随机变量<imgwidth="46"height="21"v:shapes="_x0000_i1049"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image042.png"><imgwidth="79"height="41"v:shapes="_x0000_i1050"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image044.png">，则<imgwidth="84"height="21"v:shapes="_x0000_i1051"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image046.png">（）
①
<imgwidth="16"height="41"v:shapes="_x0000_i1052"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image048.png">
②
3
③
18
④
36
【单选题】
<imgwidth="367"height="47"v:shapes="图片_x0020_70"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image077.png">
①
-1
②
1
③
<imgwidth="24"height="20"v:shapes="图片_x0020_71"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image078.png">
④
<imgwidth="13"height="20"v:shapes="图片_x0020_72"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image079.png">
【单选题】
矩阵（）合同于<imgwidth="98"height="108"v:shapes="_x0000_i1278"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image304.png">
①
<imgwidth="94"height="84"v:shapes="_x0000_i1279"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image306.png">
②
<imgwidth="94"height="84"v:shapes="_x0000_i1280"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image308.png">
③
<imgwidth="110"height="84"v:shapes="_x0000_i1281"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image310.png">
④
<imgwidth="84"height="84"v:shapes="_x0000_i1282"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image312.png">
【单选题】
设总体<imgwidth="84"height="22"v:shapes="_x0000_i1356"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image412.png">，<imgwidth="20"height="20"v:shapes="_x0000_i1357"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image461.png">未知，<imgwidth="75"height="26"v:shapes="_x0000_i1358"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image476.png">是来自<imgwidth="12"height="14"v:shapes="_x0000_i1359"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image426.png">的样本，<imgwidth="12"height="20"v:shapes="_x0000_i1360"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image478.png">为样本均值，<imgwidth="12"height="14"v:shapes="_x0000_i1361"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image480.png">为样本标准差。是检验问题为<imgwidth="164"height="22"v:shapes="_x0000_i1362"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image482.png">则检验的统计量为（）
①
<imgwidth="135"height="35"v:shapes="_x0000_i1363"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image484.png">
②
<imgwidth="135"height="35"v:shapes="_x0000_i1364"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image486.png">
③
<imgwidth="135"height="37"v:shapes="_x0000_i1365"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image488.png">
④
<imgwidth="115"height="37"v:shapes="_x0000_i1366"src="http://wljy.whut.edu.cn:80/uploadfiles/word/xxdsb11.files/image490.png">
【单选题】
设随机变量<imgwidth="19"height="17"v:shapes="_x0000_i1256"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image266.png">的均值<imgwidth="68"height="21"v:shapes="_x0000_i1257"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image360.png">，方差<imgwidth="75"height="25"v:shapes="_x0000_i1258"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image362.png">，则<imgwidth="60"height="25"v:shapes="_x0000_i1259"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image364.png">（）
①
<imgwidth="54"height="25"v:shapes="_x0000_i1260"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image366.png">
②
<imgwidth="54"height="25"v:shapes="_x0000_i1261"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image368.png">
③
<imgwidth="41"height="18"v:shapes="_x0000_i1262"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image370.png">
④
<imgwidth="41"height="18"v:shapes="_x0000_i1263"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb09.files/image372.png">
【单选题】
设<imgwidth="226"height="84"v:shapes="_x0000_i1188"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image228.png">，则线三条直线<imgwidth="142"height="84"v:shapes="_x0000_i1189"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image230.png"><imgwidth="28"height="26"v:shapes="_x0000_i1190"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image232.png"><imgwidth="184"height="30"v:shapes="_x0000_i1191"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image234.png">交于一点的充要条件是（）
①
<imgwidth="70"height="26"v:shapes="_x0000_i1192"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image226.png">线性相关
②
<imgwidth="70"height="26"v:shapes="_x0000_i1193"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image226.png">线性无关
③
秩<imgwidth="98"height="28"v:shapes="_x0000_i1194"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image236.png">秩<imgwidth="62"height="28"v:shapes="_x0000_i1195"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image238.png">
④
<imgwidth="70"height="26"v:shapes="_x0000_i1196"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image226.png">线性相关，<imgwidth="46"height="26"v:shapes="_x0000_i1197"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image240.png">线性无关
【单选题】
<imgwidth="444"height="30"v:shapes="图片_x0020_189"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image195.png">
①
<imgwidth="466"height="26"v:shapes="图片_x0020_190"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image196.png">
②
<imgwidth="198"height="25"v:shapes="图片_x0020_191"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image197.png">
③
<imgwidth="348"height="26"v:shapes="图片_x0020_192"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image198.png">
④
以上都不对