2014年自学考试《高等数学(工本)》考前冲刺试卷(2)
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- A.<img src="//img1.yqda.net/question-name/54/b84f1441925255538d059dc0afc35d.jpg" alt="" />
- B.<img src="//img1.yqda.net/question-name/63/0454b56360ad971280f59f8d685841.jpg" alt="" />
- C.<img src="//img1.yqda.net/question-name/5c/b0c1756ecb32e28d96a62bca12ef9b.jpg" alt="" />
- D.<img src="//img1.yqda.net/question-name/41/0321a53e6d28f51dbea4472ea8da62.jpg" alt="" />
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- A.连续
- B.一定取得极值
- C.可能取得极值
- D.的全微分为零
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- A.驻点
- B.极大值点
- C.极小值点
- D.极值点
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- A.<img src="//img1.yqda.net/question-name/c8/b0b3a5f47cd2a4830941747e87303c.jpg" alt="" />
- B.<img src="//img1.yqda.net/question-name/04/a32d5f6ac2b0f48e7aceea6f5ac389.jpg" alt="" />
- C.<img src="//img1.yqda.net/question-name/c6/14e7822bd2482e1792af40db919360.jpg" alt="" />
- D.<img src="//img1.yqda.net/question-name/51/9ec8c71d966555d0bc87cfb7869d63.jpg" alt="" />
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(1P31)过点。(0，2，4)且与平面x+22一1及y一22一2都平行的直线是 （ ）
- A.<img src="//img1.yqda.net/question-name/f8/772c146757006205298e81bff97de3.jpg" alt="" />
- B.<img src="//img1.yqda.net/question-name/24/e047886d27bb029f9c86a8267be3a8.jpg" alt="" />
- C.<img src="//img1.yqda.net/question-name/72/32d143ba3315bd877ef439bf22bbce.jpg" alt="" />
- D.<img src="//img1.yqda.net/question-name/b1/4b292fdb710b6cb8af5796e3652d9b.jpg" alt="" />
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