电子科技大学《高等数学(文科本科)》20春期末考试

adminhan

8.不定积分<img id="ODuwefmTEMP20200708091638264.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODuwefmTEMP20200708091638264.png?Expires=1909574198&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Q1b7%2BYlyBFxLN5lJru0MguBDMGs%3D" />（）
A:mg id="ODfeuajTEMP20200708091638400.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODfeuajTEMP20200708091638400.png?Expires=1909574198&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=g23kg61VGvUll2GkCMzwnZ5X2gs%3D" />
B:<img id="ODzkoojTEMP20200708091638529.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODzkoojTEMP20200708091638529.png?Expires=1909574198&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=etXz5UQVrb/fputB5LTfzUP7elA%3D" />
C:<img id="ODbaueoTEMP20200708091638690.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODbaueoTEMP20200708091638690.png?Expires=1909574198&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=ZZBYn8/k0wsqts1UVyKlN%2BEPGuM%3D" />
D:<img id="ODogrcxTEMP20200708091638844.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODogrcxTEMP20200708091638844.png?Expires=1909574198&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=2JEvkkMyYUYuFXJoxGlAYTwAsyA%3D" />

20. 微分方程<img id="ODljryiTEMP20200708091627740.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODljryiTEMP20200708091627740.png?Expires=1909574187&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=YL7qBoRszQGQXiS0QsbQZE6Tqhg%3D" />的通解是（    ）
A:mg id="ODpconwTEMP20200708091627936.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODpconwTEMP20200708091627936.png?Expires=1909574189&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=bQ0S1bVL3%2BDRCAIkkxm9fu3qfBU%3D" />
B:<img id="ODrygrcTEMP20200708091629071.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODrygrcTEMP20200708091629071.png?Expires=1909574189&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=H6MF4t4PgDuWoCc2Haw4UDBSNvQ%3D" />
C:<img id="ODqhxylTEMP20200708091629248.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODqhxylTEMP20200708091629248.png?Expires=1909574189&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=ewo6b%2Br5t/ErC4NnTjLUdFvaPxM%3D" />
D:<img id="ODlpnppTEMP20200708091629400.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODlpnppTEMP20200708091629400.png?Expires=1909574189&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Zoog4W3EU5jOLuSlx0qs%2BmWQdVQ%3D" />

2. <img id="ODlgvakTEMP20200708091654887.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODlgvakTEMP20200708091654887.png?Expires=1909574215&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=7xpdsNsUsfFOrYUaq76mlP7edlE%3D" />（ B   ）
A:mg id="ODrohutTEMP20200708091655078.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODrohutTEMP20200708091655078.png?Expires=1909574215&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=6J7rfx5P%2BaqEhFkY9zIiCI/hijk%3D" /><br><img id="ODujndsTEMP20200708091655273.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODujndsTEMP20200708091655273.png?Expires=1909574215&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=rEFWIGSrEOJKddme6P1cjMFf9KE%3D" /><br><img id="ODtloglTEMP20200708091655464.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODtloglTEMP20200708091655464.png?Expires=1909574215&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=GSDJ3zR5ed3sm1YFRBMbLwFLPnc%3D" />
B:<img id="ODhdqbaTEMP20200708091655612.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODhdqbaTEMP20200708091655612.png?Expires=1909574215&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=TEyapvjzUqUKTKB%2BTiR3EhVj8Dg%3D" />

6. 设<img id="ODfxzdpTEMP20200708091621532.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODfxzdpTEMP20200708091621532.png?Expires=1909574181&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=883DcbXq4g1QWlcav4NOA/z5UEk%3D" />，则不定积分<br><img id="ODoedydTEMP20200708091621672.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODoedydTEMP20200708091621672.png?Expires=1909574181&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=BYKTARYk7V1t9VaedNN2xzFhH5Y%3D" /><br>上述解法中（    ）
A:1）步开始出错
B:第（2）步开始出错
C:第（3）步开始出错
D:全部正确

17.在区间<img id="ODvuvjaTEMP20200708091640795.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODvuvjaTEMP20200708091640795.png?Expires=1909574203&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=t8zM6/MiddNUsYFdgoc9XH55Qg4%3D" />上曲线<img id="ODyxtseTEMP20200708091644000.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODyxtseTEMP20200708091644000.png?Expires=1909574204&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=6pOq862cZ4ON8NM1IYNHb2V3nyM%3D" />与x轴，y轴及<img id="ODzupduTEMP20200708091644178.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODzupduTEMP20200708091644178.png?Expires=1909574204&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=8iAhg%2BKlOtbkwe/anOBIbwFOqS8%3D" />所围成图形面积可表为（）
A:mg id="ODudvdzTEMP20200708091644381.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODudvdzTEMP20200708091644381.png?Expires=1909574204&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=N0yHGo6swELXi4c/3P%2BQyZGu0vs%3D" />
B:<img id="ODxezutTEMP20200708091644676.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODxezutTEMP20200708091644676.png?Expires=1909574204&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=aHkCqcigfMgslJqHT/Z4FF7SdRM%3D" />
C:<img id="ODiotkmTEMP20200708091644847.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODiotkmTEMP20200708091644847.png?Expires=1909574205&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=JYymHb%2BX6P%2Bc3SEinY6OufFCOc4%3D" />
D:<img id="ODmfsygTEMP20200708091645127.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODmfsygTEMP20200708091645127.png?Expires=1909574205&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=84Ow92mrv3ZBd%2B3C0fUSo0GY6XU%3D" />

20. 微分方程<img id="ODdfropTEMP20200708091620544.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODdfropTEMP20200708091620544.png?Expires=1909574180&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=grvpWB%2BIuwmLjx6nNnZSFz83Mis%3D" />的通解是（    ）
A:mg id="ODmvowwTEMP20200708091620688.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODmvowwTEMP20200708091620688.png?Expires=1909574180&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=S4GYjiEPRBD0hT1/9gfyX0HUDpk%3D" /><br><img id="ODpltsvTEMP20200708091620849.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODpltsvTEMP20200708091620849.png?Expires=1909574180&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=%2B6FX9zgBzX1ezKorwhSEsB5PXVU%3D" /><br><img id="ODrsvhuTEMP20200708091620984.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODrsvhuTEMP20200708091620984.png?Expires=1909574181&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=6NdE/sdxPOmtnvWgOzB0IqUYHEI%3D" />
B:<img id="ODtcolfTEMP20200708091621165.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODtcolfTEMP20200708091621165.png?Expires=1909574181&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=wdobGMtVThRko0h0wBFUObUE55o%3D" />

7. 不定积分<img id="ODfcwzoTEMP20200708091630684.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODfcwzoTEMP20200708091630684.png?Expires=1909574190&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=sL8A04C0mXT93CvIe2KEuysIKms%3D" />（    ）
A:mg id="ODriwjvTEMP20200708091630864.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODriwjvTEMP20200708091630864.png?Expires=1909574190&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=3PvNBY87ymi/gXLT8/RJ7WJAzkg%3D" />
B:<img id="ODimqrbTEMP20200708091631019.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODimqrbTEMP20200708091631019.png?Expires=1909574191&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=h2TerykZsvMHEfIA1S9596TvDio%3D" />
C:<img id="ODjbnysTEMP20200708091631194.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODjbnysTEMP20200708091631194.png?Expires=1909574191&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=opridVVeO9L77iW1df9jx3gKIlw%3D" />
D:<img id="ODhrchoTEMP20200708091631348.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODhrchoTEMP20200708091631348.png?Expires=1909574191&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=oFJm5B3DvRv1t8qhfH4A8oakAT4%3D" />

20. 微分方程<img id="ODhfxecTEMP20200708091705435.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODhfxecTEMP20200708091705435.png?Expires=1909574225&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=9gec4uZ8xnq5iIychdZlRk4tqKg%3D" />的通解是（    ）
A:mg id="ODenzyjTEMP20200708091705626.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODenzyjTEMP20200708091705626.png?Expires=1909574225&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=zb2li/lQOwLe4laTg5kypknT0c8%3D" />
B:<img id="ODivqueTEMP20200708091705829.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODivqueTEMP20200708091705829.png?Expires=1909574226&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=3NNK1aT8vAVlpxLRviGgKdvaIEU%3D" />
C:<img id="ODqbntgTEMP20200708091706056.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODqbntgTEMP20200708091706056.png?Expires=1909574226&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=lBNQqQKX2UBM91j8RGDu11doudI%3D" />
D:<img id="ODrlcwlTEMP20200708091706228.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODrlcwlTEMP20200708091706228.png?Expires=1909574226&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=UhQgl4e2nnPqk6QQReJR%2BPPbMiE%3D" />

6.设<img id="ODekwbrTEMP20200708091637861.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODekwbrTEMP20200708091637861.png?Expires=1909574198&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=5Gk2Q2xF63jurB0hEZvKa9OhF9o%3D" />，则不定积分<br><img id="ODtnpsmTEMP20200708091638052.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODtnpsmTEMP20200708091638052.png?Expires=1909574198&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=/omoSPDFWSHP4HSMwppLFLpLvDs%3D" /><br>上述解法中（）
A:1）步开始出错
B:第（2）步开始出错
C:第（3）步开始出错
D:全部正确

13. 若<img id="ODrrotuTEMP20200708091700163.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODrrotuTEMP20200708091700163.png?Expires=1909574220&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=er0yQig%2BsdGpAYTHwc8Y0TpKhq8%3D" />是连续函数<img id="ODhrxpnTEMP20200708091700316.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODhrxpnTEMP20200708091700316.png?Expires=1909574220&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=M%2B1TKNKWfm4DCZ0m4Lrh99Whuko%3D" />在<img id="ODvyjuzTEMP20200708091700492.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODvyjuzTEMP20200708091700492.png?Expires=1909574220&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=FSmOQJa3QkO9RU5jROq0iDU5l7Y%3D" />的一个原函数，则（    ）
A:mg id="ODcnxurTEMP20200708091700661.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODcnxurTEMP20200708091700661.png?Expires=1909574220&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=FPxfdTdtovmFFJ4hv32FTOUPP88%3D" />
B:<img id="ODipdorTEMP20200708091700856.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODipdorTEMP20200708091700856.png?Expires=1909574221&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=2nGIKVAiEMZhqSck%2BtA1iYIB9IA%3D" />
C:<img id="ODxtibpTEMP20200708091701062.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODxtibpTEMP20200708091701062.png?Expires=1909574221&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=QJLjjq6aA2wE5ETo2j6YYPthmFs%3D" />
D:<img id="ODqherpTEMP20200708091701226.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODqherpTEMP20200708091701226.png?Expires=1909574221&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=IPej8o5xjgvWLYwB6rKoBDOVA4g%3D" />

4. 由分项积分法，不定积分<img id="ODrmljvTEMP20200708091648783.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODrmljvTEMP20200708091648783.png?Expires=1909574208&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=8NXp2turJivs96vzsYiC5JA5Zhs%3D" />,则上述运算中（    ）
A:1）步正确，第（2）步不正确
B:第（1）步正确，第（2）步也正确
C:第（1）步不不正确，第（2）步正确
D:第（1）不正确，第（2）步也不正确

19. 微分方程<img id="ODuouigTEMP20200708091626956.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODuouigTEMP20200708091626956.png?Expires=1909574187&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=%2BY/wg%2BQckNhRzmWcrYKANs3JD4E%3D" />的通解是（    ）
A:mg id="ODxemfdTEMP20200708091627114.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODxemfdTEMP20200708091627114.png?Expires=1909574187&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=scXC5MRmjWxT2RC/zdahOdOz3sE%3D" />
B:<img id="ODbcfucTEMP20200708091627273.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODbcfucTEMP20200708091627273.png?Expires=1909574187&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=DRKkVONG%2BKXbhm7NC/3/ZCOPGiA%3D" />
C:<img id="ODvkgpvTEMP20200708091627442.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODvkgpvTEMP20200708091627442.png?Expires=1909574187&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=efdQ%2BVcohE7gJfGwnRx3NW7gef0%3D" />
D:<img id="ODqqwooTEMP20200708091627576.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODqqwooTEMP20200708091627576.png?Expires=1909574187&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=O6VdPhRMmavnLtjiSo9V/Zt%2BlkI%3D" />

11. <img id="ODreayhTEMP20200708091633956.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODreayhTEMP20200708091633956.png?Expires=1909574194&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=SlMwKwR71v/AQxkeaIGiDyzCH/4%3D" />（    ）
A:1<br><img id="ODyauejTEMP20200708091634188.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODyauejTEMP20200708091634188.png?Expires=1909574194&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=idiA1a8s0JJLQL2XZnth26D8j2I%3D" />
B:<img id="ODwwvbaTEMP20200708091634351.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODwwvbaTEMP20200708091634351.png?Expires=1909574194&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=RwQhog3Zb%2BY/p6%2BTgq7rl64Vnw0%3D" />

20. 微分方程<img id="ODbihvkTEMP20200708091653796.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODbihvkTEMP20200708091653796.png?Expires=1909574213&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=bKdQPtG9v6m3MytBpootG8/q2UA%3D" />满足<img id="ODmukauTEMP20200708091653979.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODmukauTEMP20200708091653979.png?Expires=1909574214&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=rfhGbscO7mn4vN1svbVIS9TKNMs%3D" />的特解是（    ）
A:mg id="ODmkevoTEMP20200708091654155.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODmkevoTEMP20200708091654155.png?Expires=1909574214&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Vw/YQMKI4yj9jB1jVDHF%2BpNIC4E%3D" />
B:<img id="ODifogpTEMP20200708091654296.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODifogpTEMP20200708091654296.png?Expires=1909574214&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=AHcCCr%2BlYfPQzC%2B5nXmpgxU7vf0%3D" />
C:<img id="ODogbiqTEMP20200708091654452.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODogbiqTEMP20200708091654452.png?Expires=1909574214&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=mjJJj7fBgIjez6X/VHTaoPevUSo%3D" />
D:<img id="ODurvrcTEMP20200708091654640.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODurvrcTEMP20200708091654640.png?Expires=1909574214&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=J2FsaeGxXYEvR6grhyI2K4/H3KM%3D" />

19. 微分方程<img id="ODcfldqTEMP20200708091652820.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODcfldqTEMP20200708091652820.png?Expires=1909574212&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=VucUVXEBFOueMC%2BVn/UbEIZ5Nbw%3D" />的通解是（    ）
A:mg id="ODtyifhTEMP20200708091653000.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODtyifhTEMP20200708091653000.png?Expires=1909574213&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=eh1F8SsqxLPbcz%2BtjL98mGPshBY%3D" />
B:<img id="ODvgwhtTEMP20200708091653149.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODvgwhtTEMP20200708091653149.png?Expires=1909574213&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=Tk8a7%2B3wZSaXG9NjrSrwqXIy/hI%3D" />
C:<img id="ODspqouTEMP20200708091653300.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODspqouTEMP20200708091653300.png?Expires=1909574213&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=vfi/gpnR10VYc/azx3GP%2B9qDQe4%3D" />
D:<img id="ODyzitpTEMP20200708091653593.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODyzitpTEMP20200708091653593.png?Expires=1909574213&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=VsrimmBx%2BbbSnMroorioFNHFKbU%3D" />

17. 由直线<img id="ODfskssTEMP20200708091616757.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODfskssTEMP20200708091616757.png?Expires=1909574176&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=J5rMFA50QPX82UChO8RQm8Q0chI%3D" />及曲线<img id="ODvequdTEMP20200708091616950.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODvequdTEMP20200708091616950.png?Expires=1909574177&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=FhbFMNsQtRts7lTAxo0WlcUSoVU%3D" />所围成的平面图形的面积等于（    ）
A:mg id="ODvictlTEMP20200708091617129.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODvictlTEMP20200708091617129.png?Expires=1909574177&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=IiJNxOKQKbZkoeSwkQbsDj%2BsmrQ%3D" /><br><img id="ODtctenTEMP20200708091617271.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODtctenTEMP20200708091617271.png?Expires=1909574177&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=RjnrI2OaHEE35VDALXbFJdh60Zk%3D" /><br>e
B:<img id="ODbdgwiTEMP20200708091617459.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODbdgwiTEMP20200708091617459.png?Expires=1909574177&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=/Z9ZpfPDGiH2CZqkSTN6Z4lmspU%3D" />

19. 微分方程<img id="ODklieqTEMP20200708091704409.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODklieqTEMP20200708091704409.png?Expires=1909574224&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=uRnHc6bjvVbfVqg8d5s/til4gFc%3D" />的通解是（    ）
A:mg id="ODgfshuTEMP20200708091704652.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODgfshuTEMP20200708091704652.png?Expires=1909574224&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=iIg6RaCHBFPR8jVU2pcu4Za5IeA%3D" />
B:<img id="ODhgqdyTEMP20200708091704822.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODhgqdyTEMP20200708091704822.png?Expires=1909574225&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=JIlmjkJpkkgsa0Tch7U6P4bUYZQ%3D" />
C:<img id="ODigydjTEMP20200708091705051.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODigydjTEMP20200708091705051.png?Expires=1909574225&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=ZF%2BUb%2Bi%2BIftwAaUSDqPdEo6OllY%3D" />
D:<img id="ODphzvpTEMP20200708091705231.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODphzvpTEMP20200708091705231.png?Expires=1909574225&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=cDkV0YDYnzW/nwKmvOtveEp412k%3D" />

10. 设函数<img id="ODmosnsTEMP20200708091633173.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODmosnsTEMP20200708091633173.png?Expires=1909574193&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=38qpLFE1ilsEjyQTe/BZkrlX3zQ%3D" />在<img id="ODenicxTEMP20200708091633310.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODenicxTEMP20200708091633310.png?Expires=1909574193&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=J03oFc5lQG2s4uyHKPCRlgQX8A0%3D" />连续，则<img id="ODqtzmoTEMP20200708091633504.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODqtzmoTEMP20200708091633504.png?Expires=1909574193&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=ISfmg73751JzDJnDezPs2BGNIs4%3D" />（    ）
A:<img id="ODuotkkTEMP20200708091633658.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODuotkkTEMP20200708091633658.png?Expires=1909574193&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=S7EGiHGD/WbhhTLlakvtnZVRPtw%3D" /><br><img id="ODxmnmsTEMP20200708091633832.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODxmnmsTEMP20200708091633832.png?Expires=1909574193&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=lVpDRPcw/6qvie/trA78bnWThRs%3D" />
B:不确定

18.由曲线<img id="ODwnfpnTEMP20200708091645260.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODwnfpnTEMP20200708091645260.png?Expires=1909574205&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=XXQSyNlXm4uMaQce/NFPb9IYZjk%3D" />与直线<img id="ODfhzksTEMP20200708091645465.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODfhzksTEMP20200708091645465.png?Expires=1909574205&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=3LJTXZnV2pOL3LGlHuRiWShSoVI%3D" />及<img id="ODntnjoTEMP20200708091645617.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODntnjoTEMP20200708091645617.png?Expires=1909574205&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=6Nc2fB7booDmXz72VjlfvxsVYwg%3D" />所围成图形的面积等于（）
A:mg id="ODbinemTEMP20200708091645755.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODbinemTEMP20200708091645755.png?Expires=1909574205&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=LgnybPiqHu5HMxN1u%2BBHgGl4PsA%3D" /><br><img id="ODumioaTEMP20200708091645888.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODumioaTEMP20200708091645888.png?Expires=1909574206&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=mqLHBl34NBP8DLjkA9knZTfmPYA%3D" /><br>1
B:<img id="ODwfvgmTEMP20200708091646063.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODwfvgmTEMP20200708091646063.png?Expires=1909574206&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=GeZUWMguSS%2Bi88scTYmMj2Nl8Ik%3D" />

6. 设<img id="ODrxkunTEMP20200708091630351.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODrxkunTEMP20200708091630351.png?Expires=1909574190&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=cqOuBsA3e2dbEppfw/fWgh6jYso%3D" />，则不定积分<br><img id="ODrxdaxTEMP20200708091630517.png" src="http://oescdn.open.com.cn/zyglpt/OD/TEMP/2020/0708/ODrxdaxTEMP20200708091630517.png?Expires=1909574190&OSSAccessKeyId=gbI8DRLk7JJhLbEw&Signature=NiR4pa54yu1TFJiRd1BVpnCUFgU%3D" /><br>上述解法中（   ）
A:1）步开始出错
B:第（2）步开始出错
C:第（3）步开始出错
D:全部正确