1填空题
(1)函数定义域 .
答案:
(2)函数定义域 .
答案:
(3)函数 .
答案:
(4)函数处连续 .
答案:
(5)函数 .
答案:
(6)函数间断点 .
答案:
(7) .
答案:1
(8) .
答案:
(9)曲线点切斜率 .
答案:
(10)曲线点切线方程 .
答案:
(11)已知 .
答案:
27(
(12)已知 .
答案:
(13) .
答案:
(14)函数单调增加区间 .
答案:
(15)函数区间单调增加应满足 .
答案:
(16)原函数
答案:
(17) .
答案:
(18)
答案:
(19) .
答案:
(20) .
答案:
(21) .
答案:
(22) .
答案:
(23)
答案:
(24)
答案:0
(25) .
答案:
(26)已知曲线意点处切线斜率曲线该曲线方程
答案:
(27)定积分意义知
答案:
(28)微分方程特解
答案:
(29)微分方程通解
答案:
(30)微分方程阶数 .
答案:4
2.单项选择题
(1)设函数该函数( ).
A.奇函数 B.偶函数 C.非奇非偶函数 D.奇偶函数
答案:B
(2)列函数中奇函数( ).
A. B. C. D.
答案:C
(3)函数定义域( ).
A. B. C. D.
答案:D
(4)设( )
A. B.
C. D.
答案:C
(5)( )时函数处连续
A.0 B.1 C. D.
答案:D
(6)( )时函数处连续
A.0 B.1 C. D.
答案:B
(7)函数间断点( )
A. B.
C. D.间断点
答案:A
(8)( ).
A 2 B 1 C 1 D 2
答案:C
(9)设( ).
A. B. C. D.
答案:B
(10)设微函数( ).
A. B.
C. D.
答案:D
(11)中常数( ).
A. B. C. D.
答案:C
(1)函数区间( )
A.单调增加 B.单调减少
C.先增减 D.先减增
答案:D
(12)满足方程点定函数( )
A.极值点 B.值点 C.驻点 D. 间断点
答案:C
(13)列结中( )正确.
A.处连续定处微
B.处连续定处导
C.导函数极值点定发生驻点
D.函数极值点发生导点
答案:A
(14)列函数指定区间单调增加( ).
A. B. C. D.
答案:B
(15)列等式成立( ).
A. B.
C. D.
答案:C
(16)等式成立( )
A. B.
C. D.
答案:D
(17)( )
A B
C D
答案:A
(18)列定积分中积分值0( ).
A. B.
C. D.
答案:A
(19)设连续奇函数定积分( )
A.0 B. C. D.
答案:A
(20)列穷积分收敛( ).
A. B.
C. D.
答案:D
(21)微分方程通解( ).
A. B. C. D.
答案:C
(22)列微分方程中分离变量方程( )
A B
C D
答案:B
3 计算题
(1).
解:
(2)
解:
(3)
解:
(4)设求.
解:
(5)设求
解:
(6)设求
解:
(7)设求
解:
(8)
解:
(9)
解:
(10)
解:
(11)
解:
(12)
解:
(13)
解:
4 应题
(1)欲做底正方形容积108立方米长方体开口容器样做法料省?
解:设底边边长高材料已知
令解唯驻点
说明函数极值点料省
(2)钢板焊接容积4正方形水箱已知钢板方米10元焊接费40元问水箱尺寸选择总费低?低总费少?
解:设水箱底边长高表面积
令
问题存值函数驻点唯时水箱面积
时费 (元)
请您删容O(∩_∩)O谢谢2015年中央电期末复考试抄全电期末考试必备抄电考试必抄请您删容O(∩_∩)O谢谢2015年中央电期末复考试抄全电期末考试必备抄电考试必抄The battle for young viewers CCTV is embracing Internet culture and working with independent producers on TV shows to woo audiences under 35 Han Bing bin reports After charming audiences with his warm smile for 14 years China Central Television host Li Jiaming recently found himself targeted by a group of young netizens unhappy with his style The complaints came after Li hosted the premiere of Rising Star on Oct 31 It is a singing competition show that originated in Israel Many young netizens found his hosting style slow and boring and mocked it as CCTV evening gala style They even initiated an online campaign to replace him The 40yearold host's reaction to the criticism was surprising During the second episode he jokingly called himself the slow Jiaming and acted much younger talking faster and louder It's like selling a product When the customers file a complaint you must change says Li In the Internet age you get feedback very quickly These young people are so cute When you're willing to change for them they will quickly like you back In order to win more young viewers CCTV is relying on programs such as Rising Star to embrace Internet culture In Rising Star a studio audience and fans watching on television vote for their favorite singers in real time using the instantmessaging app WeChat Rising Star was designed to be a live broadcast but the Chinese version isn't because of policy reasons Still WeChat votes by viewers at home are still a major factor in determining which contestants advance to the next round In the show's latest episode more than 65 million votes were cast via WeChat Now the competition among entertainment shows is very fierce Audiences have more diverse needs CCTV needs to embrace an open attitude interact with young audiences and blend with the Internet says Lyu Yitao director of CCTV's entertainment channel The producer of Rising Star Enlight Media says the program will have a phenomenal effect given CCTV's audience base nationwide But it comes with a challenge says Zhang Hang chief producer of the program and CEO of Enlight Media's TV business Unlike topranking provincial satellite channels such as Hunan TV which have a large base of young fans thanks to a series of phenomenally popular entertainment and reality shows CCTV productions are usually more conservative and serious and thus have a much older audience base If we were to run this program on Hunan we may attract twice as many viewers says Zhang But since we didn't make it there we now have to make the best out of the given conditions And it means we have to make certain compromises When the current season of Rising Star ends Zhang says his company will conduct an overall evaluation of the program and make adjustments for future seasons Although audience ratings haven't lived up to Zhang's expectations he says the program has already helped CCTV attract more young people According to Enlight Media the number of people ages 15 to 35 who watched the first episode of Rising Star was 76 percent higher than the usual audience for CCTV entertainment productions In order to attract young audiences CCTV has been working with independent production companies As one of CCTV's closest partners Enlight Media has produced several entertainment and reality shows for the company's channels including the Chinese version of The Biggest Loser on CCTV's business channel and an original teenager talent show Shaonian Zhongguo-qiang (Strong Young Chinese) on CCTV1 This year CCTV also licensed EEMedia the producer of the popular Super Girl talent shows to produce the talk show Hi 2014 hosted by Taiwan pop star Harlem Yu and one of China's most popular TV stars Xie Na The show is geared toward younger audiences Canxing Productions which rose to fame with the success of its Voice of China series on Zhejiang TV also produced two talent shows for CCTV One is an original production called Songs of China which ended up as one of CCTV's most watched programs of 2014 The State Administration of Press Publication Radio Film and Television announced earlier this year that starting in 2015 only one music talent show can be aired nationwide during prime time each season and there can be only one program based on foreign formats each year However domestic media report that such policies don't apply to CCTV meaning it will become a highly desired platform by production companies Wang Changtian CEO of Enlight Media confirmed to the Shanghai Securities News that its programs scheduled to air on CCTV next year which include at least two reality shows won't be affected A kung futhemed reality show produced by Canxing is also reportedly scheduled to run on CCTV next year CCTV is very active The level of its acceptance of new ideas is even beyond my imagination says Zhang Hang Our cooperation with CCTV will surely continue When winter comes nothing is more relaxing than a hot spring bath For thousands of years natural mineralrich hot spring baths have also been used to relieve health ailments The water found in natural hot springs contains a variety of different minerals and the most common one is sulfur It has a rotten egg smell but is excellent for skin The sulfurcontaining water might be just what the doctor ordered when it comes to relieving pain stress itchy skin arthritis and more Hot springs resorts are thriving as biting cold winter arrives Here we take a look at some of the best natural hot springs China has to offer
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