【单选题】【消耗次数：1】
如图，属于（）。<img src="20190810/1565429268224710.jpg" title="1565429268224710.jpg" alt="无标题.jpg"/>
①
控制附件
②
配水附件
参考答案：
复制
纠错
相关题目
【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
【多选题】
Whatdoestheword"steal"(thelastpara.)mean?<br/>
【单选题】
F．H．奥尔波特（1924）指出，社会心理学是"研究个体的社会行为和（）的学科"。
①
A.社会心理
②
B.社会意识
③
C.社会知觉
④
D.社会观念
【单选题】
执行下面程序：main(){intx=1,y=1,z=1;x=x+++y+++z++;printf("%d,%d,%d",x,++y,z++);}输出的结果为（）
①
4，3，2
②
3，3，2
③
3，3，3
④
3，2，2
随机题目
【单选题】
<imgdata-url="doc/a@F166ECE7E5C80E56201F2CF12A8211C6.jpg"data-preview_url_ueditor="doc/a@F166ECE7E5C80E56201F2CF12A8211C6.jpg"src="http://121.251.253.213/doc/a@F166ECE7E5C80E56201F2CF12A8211C6.jpg/download?time=636159463063828868&token=6B779CB0CF24492E5AC0BDCFF43DB14C&filename=jpg"/>
①
24
②
12
③
6
④
1
【单选题】
<imgdata-url="doc/a@64C1EC3EEA4DF633E8F805F3E58A8237.png"data-preview_url_ueditor="doc/a@64C1EC3EEA4DF633E8F805F3E58A8237.png"src="http://121.251.253.213/doc/a@64C1EC3EEA4DF633E8F805F3E58A8237.png/download?time=635997624680243587&token=CF4E2E55F28CEA774D83D73AB9CCD032&filename=png"/>
①
<imgdata-url="doc/a@CD9E3C0AEDBA75C158DE390C2B6821D9.png"data-preview_url_ueditor="doc/a@CD9E3C0AEDBA75C158DE390C2B6821D9.png"src="http://121.251.253.213/doc/a@CD9E3C0AEDBA75C158DE390C2B6821D9.png/download?time=635997625449012937&token=2B0506A7D55F104F3EB18AB1B438E15E&filename=png"/>
②
<imgdata-url="doc/a@A1D843C6B606CAFFF22FD80B5FD689F3.png"data-preview_url_ueditor="doc/a@A1D843C6B606CAFFF22FD80B5FD689F3.png"src="http://121.251.253.213/doc/a@A1D843C6B606CAFFF22FD80B5FD689F3.png/download?time=635997625578805165&token=FDE9A0AD61E747CAFD5D2725C22228BA&filename=png"/>
③
<imgdata-url="doc/a@F74F9887F67CF35CD12FD326A8DF07D7.png"data-preview_url_ueditor="doc/a@F74F9887F67CF35CD12FD326A8DF07D7.png"src="http://121.251.253.213/doc/a@F74F9887F67CF35CD12FD326A8DF07D7.png/download?time=635997625722481418&token=114591636EA36A1A2C9190B8F9009CBF&filename=png"/>
④
<imgdata-url="doc/a@1DD22FD883B6768EC3835E79FCEDA936.png"data-preview_url_ueditor="doc/a@1DD22FD883B6768EC3835E79FCEDA936.png"src="http://121.251.253.213/doc/a@1DD22FD883B6768EC3835E79FCEDA936.png/download?time=635997625829341605&token=00879720FD2F6C88D666C6E45BAAAFAF&filename=png"/>
【单选题】
<imgdata-url="doc/a@CF364D682E7EDC3D6F4E30F2BB4F580C.png"data-preview_url_ueditor="doc/a@CF364D682E7EDC3D6F4E30F2BB4F580C.png"src="http://121.251.253.213/doc/a@CF364D682E7EDC3D6F4E30F2BB4F580C.png/download?time=635997629330923755&token=1279F1B02A815952B66C14C416407130&filename=png"/>
①
<imgdata-url="doc/a@FD3BE4B9A603A28900BA1CE5A4917F8F.png"data-preview_url_ueditor="doc/a@FD3BE4B9A603A28900BA1CE5A4917F8F.png"src="http://121.251.253.213/doc/a@FD3BE4B9A603A28900BA1CE5A4917F8F.png/download?time=635997629504240060&token=541E9A5C2B0C3ED87051C8D3BDF24F82&filename=png"/>
②
<imgdata-url="doc/a@7A41590BEFCFCBE74C6F7E89E7967805.png"data-preview_url_ueditor="doc/a@7A41590BEFCFCBE74C6F7E89E7967805.png"src="http://121.251.253.213/doc/a@7A41590BEFCFCBE74C6F7E89E7967805.png/download?time=635997629627012275&token=B43E29170C3B3757C96EB1A856117760&filename=png"/>
③
<imgdata-url="doc/a@99F8D6DB9EB3FB1C901B53915B0A099D.png"data-preview_url_ueditor="doc/a@99F8D6DB9EB3FB1C901B53915B0A099D.png"src="http://121.251.253.213/doc/a@99F8D6DB9EB3FB1C901B53915B0A099D.png/download?time=635997629743700480&token=080FC0D2FF79A92E265FCC56F38259B3&filename=png"/>
④
<imgdata-url="doc/a@827C3797B683CCCEE410F2ACE266DAAE.png"data-preview_url_ueditor="doc/a@827C3797B683CCCEE410F2ACE266DAAE.png"src="http://121.251.253.213/doc/a@827C3797B683CCCEE410F2ACE266DAAE.png/download?time=635997629843852656&token=89F3878D2896DF9EE9FFD429BD4960F7&filename=png"/>
【单选题】
下列说法错误的是（）
①
矩阵的秩等于该矩阵的行向量组的秩
②
矩阵的秩等于该矩阵的列向量组的秩
③
一个n阶方阵的不同特征值对应的特征向量线性无关
④
相似矩阵有相同的特征多项式，从而有相同的特征值
【单选题】
<imgdata-url="doc/a@6DB4CF5F9C66FD17BC71BB963B29A7B4.png"data-preview_url_ueditor="doc/a@6DB4CF5F9C66FD17BC71BB963B29A7B4.png"src="http://121.251.253.213/doc/a@6DB4CF5F9C66FD17BC71BB963B29A7B4.png/download?time=635997628381662088&token=1C6275C21B6D06966B67391CC3F19CC3&filename=png"/>
①
<imgdata-url="doc/a@F410046D7922BA32E1663874BC2B5C36.png"data-preview_url_ueditor="doc/a@F410046D7922BA32E1663874BC2B5C36.png"src="http://121.251.253.213/doc/a@F410046D7922BA32E1663874BC2B5C36.png/download?time=635997628596318465&token=777D59C04A7A8D783EA1471DFB89335B&filename=png"/>
②
<imgdata-url="doc/a@1AF2C5AB025EC26732409D751F8DD5F6.png"data-preview_url_ueditor="doc/a@1AF2C5AB025EC26732409D751F8DD5F6.png"src="http://121.251.253.213/doc/a@1AF2C5AB025EC26732409D751F8DD5F6.png/download?time=635997628730166700&token=3FB693A96149E486567C840289970469&filename=png"/>
③
<imgdata-url="doc/a@1CA14D32B72BD4002480622B3B6819F1.png"data-preview_url_ueditor="doc/a@1CA14D32B72BD4002480622B3B6819F1.png"src="http://121.251.253.213/doc/a@1CA14D32B72BD4002480622B3B6819F1.png/download?time=635997628831410878&token=E8904182AEE541F27BF648C05282E255&filename=png"/>
④
<imgdata-url="doc/a@CEF42F04E29737B84007F47A8DE4CF5D.png"data-preview_url_ueditor="doc/a@CEF42F04E29737B84007F47A8DE4CF5D.png"src="http://121.251.253.213/doc/a@CEF42F04E29737B84007F47A8DE4CF5D.png/download?time=635997628964479112&token=CF20CB3A5FB1F69385D3E2366AC1E712&filename=png"/>