2013年成人高考专升本《高等数学二》预测试卷(三)

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19

  • A.<img src="//img1.yqda.net/question-name/90/11f4e487281f39c3c48827d7eb77bd.jpg" alt="" border="0" />
  • B.<img src="//img1.yqda.net/question-name/5d/c4d182e843c0cade2b8b90177a78f4.jpg" alt="" border="0" />
  • C.<img src="//img1.yqda.net/question-name/d7/19cf80ce4ca46615e9e7205c84e7e9.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/eb/040ae571b517fd0448b557109b299f.jpg" alt="" border="0" />
20

  • A.<img src="//img1.yqda.net/question-name/26/02ce32844f12f04f499dd346c8dc46.jpg" alt="" border="0" />
  • B.<img src="//img1.yqda.net/question-name/65/77cb2dc2efb6e64a175f760a0e1fc5.jpg" alt="" border="0" />
  • C.<img src="//img1.yqda.net/question-name/c9/37e5b14f363d941785447b4c24f872.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/9d/aa1ebf87484986119af5b70cb03fb9.jpg" alt="" border="0" />
21

f'(x0)=0是函数f(x)在点x0取得极值的(  )

  • A. 充分条件
  • B. 必要条件
  • C. 充分必要条件
  • D. 既非充分也非必要条件
22

  • A. 0
  • B. 1
  • C.<img src="//img1.yqda.net/question-name/9b/d1c70234d3e690d8361701a1c099c5.jpg" alt="" border="0" />
  • D. 3
23

  • A. 0
  • B. 1
  • C. -1
  • D. 2
24

  • A.<img src="//img1.yqda.net/question-name/a8/77a8025b505cc10cf479a04fa2e687.jpg" alt="" border="0" />
  • B.<img src="//img1.yqda.net/question-name/d8/23ee797799a75f4bfff9f065a079e5.jpg" alt="" border="0" />
  • C.<img src="//img1.yqda.net/question-name/31/1a040ae740349fc75b091270d1482a.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/90/6f9cfd7e03c2fb1ce53e040d24fef5.jpg" alt="" border="0" />
25

  • A. 1
  • B. 0
  • C.<img src="//img1.yqda.net/question-name/99/33e1d05db87987f471bb46c12b0285.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/88/81a4ec4db0effaada27ddb11f65bdc.jpg" alt="" border="0" />
26

  • A. 必要条件
  • B. 充分条件
  • C. 必要充分条件
  • D. 既非必要又非充分条件
27

  • A.<img src="//img1.yqda.net/question-name/af/23115450dfb9c049e15e88226b1c22.jpg" alt="" border="0" />
  • B.<img src="//img1.yqda.net/question-name/ff/7be5763da20a9008886f78dc7076c4.jpg" alt="" border="0" />
  • C.<img src="//img1.yqda.net/question-name/81/551052f1cdd74af0b90c605b21ce93.jpg" alt="" border="0" />
  • D.<img src="//img1.yqda.net/question-name/72/2a24b258432f76d4881a803b27d324.jpg" alt="" border="0" />