我
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(本题满分8分)
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- A.<img src="//img1.yqda.net/question-name/20/f6428df8b71d04bbe32e2338407b23.jpg" height="22" width="27" />
- B.e
- C.e2
- D.1
- A.－cosxdx
- B.cosxdX
- C.－cos(x－2)dx
- D.cos(x－2)dx
- A.<img width="73" height="29" src="//img1.yqda.net/question-name/56/6f974ecf08a501f4423af087fcf2b1.png" />
- B.<img width="71" height="27" src="//img1.yqda.net/question-name/d8/9bd6e7a45e46d38f488d946be47ac1.png" />
- C.<img width="89" height="29" src="//img1.yqda.net/question-name/6d/f1e0c6d0a431f7ba008908aa3fd2cd.png" />
- D.<img width="89" height="29" src="//img1.yqda.net/question-name/ed/11e517f97173d0156c635028f36fd6.png" />
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- A.<img src="//img1.yqda.net/question-name/6e/51b3e9fbb8758fb903660eb00eae31.jpg" height="35" width="93" />
- B.<img src="//img1.yqda.net/question-name/99/da1980a853a4862e030c1100309e80.jpg" height="37" width="72" />
- C.<img src="//img1.yqda.net/question-name/90/6bdc364ae92a0b261fbbb5672b65f5.jpg" height="44" width="71" />
- D.<img src="//img1.yqda.net/question-name/63/2232684a39f5307f9b44b3410d03b5.jpg" height="41" width="76" />
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- A.<img src="//img1.yqda.net/question-name/26/afdefe88302d8bd8e5fcce526b9f70.jpg" height="14" width="64"/>
- B.<img src="//img1.yqda.net/question-name/fb/546b14c0fc60777ff58752327946e7.jpg" height="26" width="71"/>
- C.<img src="//img1.yqda.net/question-name/3f/6e14fd4005f09d1ce45871086c967c.jpg" height="14" width="76"/>
- D.<img src="//img1.yqda.net/question-name/3d/98eef5c0a7801599b02c04974a4f90.jpg" height="26" width="82"/>
- A.<img src="//img1.yqda.net/question-name/17/eb2b7fbc4d1c5317249c6a8fd82a43.jpg" height="31" width="363" />
- B.<img src="//img1.yqda.net/question-name/17/4caca195b454f7d0a285e349db0d0e.jpg" height="32" width="363" />
- C.<img src="//img1.yqda.net/question-name/f0/341194e35c6624b69281fd4cb5799c.jpg" height="32" width="420" />
- D.<img src="//img1.yqda.net/question-name/fd/ae92611f0641ab67848470ed8ef202.jpg" height="38" width="414" />
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为二次积分为（ ）．
为二次积分为（ ）．- A.<img src="//img1.yqda.net/question-name/1e/2d27249dd6eee03803aa3f3f820959.jpg" height="27" width="63" />
- B.<img src="//img1.yqda.net/question-name/17/9d92313805da01b867f2a7772f47ca.jpg" height="27" width="63" />
- C.<img src="//img1.yqda.net/question-name/75/81f53b1fa82fe065f1ebc84c0a2696.jpg" height="34" width="70" />
- D.<img src="//img1.yqda.net/question-name/38/2092c123b30c1e114d86e9252b1b82.jpg" height="34" width="70" />
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- A.1
- B. <img src="//img1.yqda.net/question-name/5c/e475928c1301ef58cce2b2dcacc990.png" alt="" />
- C. <img src="//img1.yqda.net/question-name/16/d6b34eb2470d9b873b69b700799c2c.png" alt="" />
- D.1n 2
- A.2sinx
- B.2cosx
- C.－2sinx
- D.－2cosx
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- A.凹
- B.凸
- C.凹凸性不可确定
- D.单调减少
