【北京语言大学】18春《高等数学(下)》作业_4
试卷总分:100 得分:100
第1题,<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3799.jpg"/>
A、[A]
B、[B]
C、[C]
D、[D]www.youxue100f.com
第2题,设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image090.gif" width="119" height="45"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image092.gif" width="68" height="21"/></sub>( )
A、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image094.gif" width="9" height="17" /></sub></span>
B、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image096.gif" width="21" height="17" /></sub> </span>
C、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image098.gif" width="13" height="17" /></sub> </span>
D、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image100.gif" width="25" height="17" /></sub></span>
第3题,二重积分<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image410.gif" width="143" height="39"/></sub>( ),D为<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image412.gif" width="167" height="21"/></sub>所围成的矩形区域。
A、<span>7</span>
B、<span>8 </span>
C、<span>9 </span>
D、<span>10</span>
第4题,微分方程<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image002.gif" width="119" height="24"/></sub>是( )
A、<span>一阶线性方程</span>
B、<span>一阶齐次方程</span>
C、<span>可分离变量方程 </span>
D、<span>二阶微分方程</span>
第5题,二元函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image258.gif" width="93" height="24"/></sub>的极大值点是( )
A、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image256.gif" width="35" height="21" /></sub></span>
B、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image162.gif" width="35" height="21" /></sub> </span>
C、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image262.gif" width="37" height="21" /></sub> </span>
D、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image264.gif" width="32" height="21" /></sub></span>
第6题,设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image378.gif" width="75" height="21"/></sub>由方程<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image380.gif" width="137" height="24"/></sub>所确定的隐函数,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image382.gif" width="23" height="44"/></sub>=( )
A、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image384.gif" width="24" height="41" /></sub></span>
B、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image386.gif" width="25" height="41" /></sub> </span>
C、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image388.gif" width="33" height="41" /></sub> </span>
D、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image390.gif" width="24" height="41" /></sub></span>
第7题,级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image552.gif" width="143" height="45"/></sub>的敛散性是( )
A、<span>发散</span>
B、<span>一定收敛 </span>
C、<span>可能收敛 </span>
D、<span>敛散性无法判断</span>
第8题,<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3755.jpg"/>
A、[A]
B、[B]
C、[C]
D、[D]
第9题,级数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image488.gif" width="61" height="47"/></sub>( )
A、<span>收敛</span>
B、<span>既不收敛亦不发散 </span>
C、<span>发散 </span>
D、<span>敛散性无法判断</span>
第10题,设D:<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image462.gif" width="188" height="38"/></sub>=( )
A、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image464.gif" width="39" height="21" /></sub></span>
B、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image466.gif" width="31" height="21" /></sub> </span>
C、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image468.gif" width="39" height="21" /></sub> </span>
D、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image470.gif" width="33" height="19" /></sub></span>
第11题,<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3751.jpg"/>
A、[A]
B、[B]
C、[C]
D、[D]
第12题,<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3772.jpg"/>
A、[A]
B、[B]
C、[C]
D、[D]
第13题,<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3740.BMP"/>
A、[A]
B、[B]
C、[C]
D、[D]
第14题,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image323.gif" width="93" height="49"/></sub>( )
A、<span>0</span>
B、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image325.gif" width="16" height="41" /></sub> </span>
C、<span><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image327.gif" width="16" height="13" /></sub> </span>
D、<span>不存在</span>
第15题,<img src="http://otsstatic.chinaedu.net/ots/blcu/eblcuimage/3765.jpg"/>
A、[A]
B、[B]
C、[C]
D、[D]
第16题,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image743.gif" width="156" height="41"/></sub>,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image169.gif" width="16" height="21"/></sub>、<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image746.gif" width="15" height="17"/></sub>具有二阶偏导数,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image177.gif" width="36" height="41"/></sub><p><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image749.gif" width="152" height="41"/></sub>。</p>
√、对
×、错
正确答案:×
第17题,在一个级数中任意去掉,增加或者改变有限项后,级数的收敛性不变。
√、对
×、错
正确答案:√
第18题,设<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image650.gif" width="36" height="21"/></sub>在<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image793.gif" width="61" height="21"/></sub>上连续,且对一切<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image086.gif" width="13" height="15"/></sub>有<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image796.gif" width="140" height="35"/></sub>,则<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image798.gif" width="92" height="44"/></sub>。
√、对
×、错
正确答案:√
第19题,函数<em><sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image767.gif" width="111" height="29"/></sub></em>在点<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image262.gif" width="37" height="21"/></sub>处有极小值。
√、对
×、错
正确答案:×
第20题,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image616.gif" width="88" height="49"/></sub>。
√、对
×、错
正确答案:×
第21题,函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image634.gif" width="99" height="31"/></sub>在点(0,0)处可微。
√、对
×、错
正确答案:×
第22题,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image650.gif" width="36" height="21"/></sub>在其间断点处一定不能展开为傅里叶级数。
√、对
×、错
正确答案:×
第23题,函数<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image596.gif" width="55" height="24"/></sub>在点<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image598.gif" width="36" height="21"/></sub>处取得极小值零。
√、对
×、错
正确答案:×
第24题,某车间要用铁板做成一个体积为<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image782.gif" width="31" height="21"/></sub>的有盖长方体水箱,那么,当水箱的长<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image784.gif" width="61" height="23"/></sub>,宽<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image786.gif" width="61" height="25"/></sub>,高<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image788.gif" width="71" height="45"/></sub>时,水箱用料最省。
√、对
×、错
正确答案:√
第25题,<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image717.gif" width="23" height="41"/></sub>表示<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image719.gif" width="20" height="19"/></sub>与<sub><img src="http://otsstatic.chinaedu.net/ots/blcu/quesimages/e0/25/52ae8b22-7d74-4fb3-af06-81b3837ce025/xia.files/image721.gif" width="20" height="19"/></sub>的商。
√、对
×、错
正确答案:×