成考院校在线答案
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-right:0.0000pt;margin-left:0.0000pt;mso-para-margin-right:0.0000gd;mso-para-margin-left:0.0000gd;line-height:150%;">10、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">二元函数</span><span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-weight:bold;font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:14.0000pt;mso-text-raise:-14.0000pt;"><img width="120" height="69" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX31635.png"></span>的定义域为（ <font face="Times New Roman"> </font><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;"> ）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal">40、 <span style="font-family:Microsoft Yahei;">微分方程</span><span> <!--[if gte vml 1]><![endif]--> <!--[if !vml]--><img width="66" height="22" src="http://wljy.whut.edu.cn:80/uploadfiles/word/gdsxx001.files/image245.png"> <!--[endif]--> <!--[if gte mso 9]><![endif]--></span><span style="font-family:Microsoft Yahei;">有一个特解是（ ）</span><span style="font-size:12.0pt;"> </span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-right:0.0000pt;margin-left:0.0000pt;mso-para-margin-right:0.0000gd;mso-para-margin-left:0.0000gd;line-height:150%;">12、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">函数</span><span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="80" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX310417.png"></span>在<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:6.0000pt;mso-text-raise:-6.0000pt;"><img width="84" height="38" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX310524.png"></span>处可微是在该处连续的<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';color:rgb(0,0,0);font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )条件</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-right:0.0000pt;margin-left:0.0000pt;mso-para-margin-right:0.0000gd;mso-para-margin-left:0.0000gd;line-height:150%;">27、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;font-size:12.0000pt;mso-font-kerning:1.0000pt;">下列积分可直接使用牛顿-莱布尼茨公式计算其值的是</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-right:0.0000pt;margin-left:0.0000pt;mso-para-margin-right:0.0000gd;mso-para-margin-left:0.0000gd;line-height:150%;">14、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">设级数</span><span style="font-family:'Times New Roman';mso-fareast-font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;position:relative;top:15.0000pt;mso-text-raise:-15.0000pt;"><img width="213" height="75" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX4.files/GDSXX458258.png"></span>绝对收敛，级数<span style="font-family:'Times New Roman';mso-fareast-font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;position:relative;top:15.0000pt;mso-text-raise:-15.0000pt;"><img width="97" height="78" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX4.files/GDSXX458372.png"></span>条件收敛，则 <font face="Times New Roman">( ) .</font><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-right:0.0000pt;margin-left:0.0000pt;mso-para-margin-right:0.0000gd;mso-para-margin-left:0.0000gd;line-height:150%;">16、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">两个非零向量</span><span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:3.0000pt;mso-text-raise:-3.0000pt;"><img width="40" height="74" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX2.files/GDSXX28121.png"></span> <span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">和</span><span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:3.0000pt;mso-text-raise:-3.0000pt;"><img width="40" height="74" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX2.files/GDSXX28229.png"></span> <span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">垂直的充要条件是（ ）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-right:0.0000pt;margin-left:0.0000pt;mso-para-margin-right:0.0000gd;mso-para-margin-left:0.0000gd;line-height:150%;">3、<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="120" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX360844.png"></span>的两个二阶混合偏导数<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:14.0000pt;mso-text-raise:-14.0000pt;"><img width="59" height="74" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX360961.png"></span>及<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:14.0000pt;mso-text-raise:-14.0000pt;"><img width="59" height="74" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX361069.png"></span>在区域<font face="Times New Roman">D</font><font face="宋体">内连续是这两个二阶混合偏导数在</font><font face="Times New Roman">D</font><font face="宋体">内相等的（ </font><font face="Times New Roman"> </font><font face="宋体">）条件</font><font face="Times New Roman">.</font><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-right:0.0000pt;margin-left:0.0000pt;mso-para-margin-right:0.0000gd;mso-para-margin-left:0.0000gd;line-height:150%;">30、<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">设</span><span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="80" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX38984.png"></span>在点<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:6.0000pt;mso-text-raise:-6.0000pt;"><img width="84" height="38" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX39092.png"></span>的某邻域内有定义，则<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="80" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX39208.png"></span>在<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:6.0000pt;mso-text-raise:-6.0000pt;"><img width="84" height="38" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX39315.png"></span>处连续指的是<font face="Times New Roman">(</font><span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;"> )</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-right:0.0000pt;margin-left:0.0000pt;mso-para-margin-right:0.0000gd;mso-para-margin-left:0.0000gd;line-height:150%;">22、<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">曲面</span><span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:5.0000pt;mso-text-raise:-5.0000pt;"><img width="269" height="85" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX2.files/GDSXX225998.png"></span>是（ <span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;"> B ）</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>
- 2022-09-12 [单选] <p class="MsoNormal" style="margin-right:0.0000pt;margin-left:0.0000pt;mso-para-margin-right:0.0000gd;mso-para-margin-left:0.0000gd;line-height:150%;">14、<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">设</span><span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:3.0000pt;mso-text-raise:-3.0000pt;"><img width="80" height="34" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX335800.png"></span>，则<span style="font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;position:relative;top:3.0000pt;mso-text-raise:-3.0000pt;"><img width="34" height="30" src="http://wljy.whut.edu.cn:80/uploadfiles/word/GDSXX3.files/GDSXX335909.png"></span>=<span style="mso-spacerun:'yes';font-family:Microsoft Yahei;mso-bidi-font-family:'Times New Roman';font-size:12.0000pt;mso-font-kerning:1.0000pt;">( )</span><span style="font-family:Microsoft Yahei;font-size:10.5000pt;mso-font-kerning:1.0000pt;"> <o:p></o:p></span></p>