我
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（本题满分8分）
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(本题满分8分)
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- A.3
- B.5
- C.1
- D.<img src="//img1.yqda.net/question-name/d2/83e142697302974c1efe7f4c42280c.jpg" height="25" width="13" />
- A.－5dx
- B.－dx
- C.dx
- D.(x－1)dx
- A.<img src="//img1.yqda.net/question-name/04/58f8311ba1d0c1e77a79cd2d72ce60.jpg" height="29" width="52" />
- B.<img src="//img1.yqda.net/question-name/59/8f0fba465b746070e827c958eb8a2c.jpg" height="28" width="68" />
- C.<img src="//img1.yqda.net/question-name/a5/548d9857a8700c3ebfe239ff4cf96e.jpg" height="29" width="62" />
- D.不能确定
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- A.<img src="//img1.yqda.net/question-name/09/9073de91b306c90af7190f178cf925.jpg" height="20" width="45" />
- B.<img src="//img1.yqda.net/question-name/8e/2290367069a278ce5c23d01d0584c2.jpg" height="23" width="32" />
- C.<img src="//img1.yqda.net/question-name/ac/f4e19031df7fe45d52ea903ca48d66.jpg" height="28" width="50" />
- D.<img src="//img1.yqda.net/question-name/0b/7aad17924495e5990d3111c2f5217c.jpg" height="23" width="37" />
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- A.<img width="24" height="33" src="//img1.yqda.net/question-name/53/2658868f02fbff0518436e8750e9bf.png" />
- B.<img width="20" height="31" src="//img1.yqda.net/question-name/6d/cc2f8989f14689ce8d3390e84a53a1.png" />
- C.<img width="28" height="31" src="//img1.yqda.net/question-name/62/fe6c3eba3d3f69f819ca545bb5589a.png" />
- D.<img width="37" height="32" src="//img1.yqda.net/question-name/e6/3f3de5d24e156831c5a74cdaf04593.png" />
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- A. <img src="//img1.yqda.net/question-name/41/86530ed61e27d858979c4f7e6a5457.png" alt="" />
- B. <img src="//img1.yqda.net/question-name/e6/fbdb8556e6eab421f349af73e72a40.png" alt="" />
- C. <img src="//img1.yqda.net/question-name/49/82dac573e034f314c2bdf754d070be.png" alt="" />
- D. <img src="//img1.yqda.net/question-name/d6/5297744d5597d658fc8c9e3be7e1a4.png" alt="" />
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- A.<img alt="" src="//img1.yqda.net/question-name/9d/94f412b75051c139835a0831e0b404.png"/>
- B.<img src="//img1.yqda.net/question-name/c5/6acca874f7e957e6e07bab7dc6d046.jpg" width="40" height="47"/>
- C. <img alt="" src="//img1.yqda.net/question-name/ea/176d0d75632383b7a820b23750366f.png"/>
- D. <img alt="" src="//img1.yqda.net/question-name/a3/dada10bed3dfd90c59394f14c38f68.png"/>
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- A.0
- B.1
- C.2
- D.不存在
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- A.(－5，5)
- B.(－∞，0)
- C.(0，+∞)
- D.(－∞，+∞)
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- A. <img src="//img1.yqda.net/question-name/bc/f4fcb9fdf5970e386c96c45ace8d32.png" alt="" />
- B. <img src="//img1.yqda.net/question-name/15/4892481e6e0bc13871012a2e22e5b3.png" alt="" />
- C. <img src="//img1.yqda.net/question-name/6c/762652316713100cb0c87f27c87685.png" alt="" />
- D. <img src="//img1.yqda.net/question-name/9f/9a6875f38f129cbdd27c727ee4b77f.png" alt="" />
