一制罐厂生产一种体积为v的有盖圆柱形形容器,问容器的底半径与高各为多少时用料最剩_百度作业帮
一制罐厂生产一种体积为v的有盖圆柱形形容器,问容器的底半径与高各为多少时用料最剩
一制罐厂生产一种体积为v的有盖圆柱形形容器,问容器的底半径与高各为多少时用料最剩
设表面积为S,设圆柱的高为h,上下底半径为r,V=(π*r∧2)*h ①,S=2(π*r∧2)+2π*r*h ②由①得,h=V/(π*r∧2),代入②得S=2(π*r∧2)+(2V/r)这个方程可以看做是一个对勾函数,即2(π*r∧2)=r的时候,S最小计算得r=1/(2π),再由h=V/(π*r∧2)得h=V*4π文档分类：
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淘豆网网友近日为您收集整理了关于2015年电大高等数学基础复习考试小抄【附详细试题分析】的文档，希望对您的工作和学习有所帮助。以下是文档介绍：2015年电大高等数学基础复习考试小抄【附详细试题分析】 1高等数学基础归类复习考试小抄一、单项选择题1-1 下列各函数对中,( C )中的两个函数相等.A.2)()( xxf
, xxg )( B.2)( xxf
, xxg )(C.3ln)( xxf
, xxg ln3)(
xxf ,11)(2xxxg1-⒉设函数)(xf 的定义域为),(
,则函数)()( xfxf
的图形关于(C )对称.A. 坐标原点 B. x 轴 C. y 轴 D. xy 设函数)(xf 的定义域为),(
,则函数)()( xfxf
的图形关于(D )对称.A. xy
B. x 轴 C. y 轴 D. 坐标原点.函数2ee xxy的图形关于( A )对称.(A) 坐标原点(B) x 轴(C) y 轴(D) xy 1-⒊下列函数中为奇函数是( B ).A. )1ln( 2xy
B. xxy cos C.2xxaay D. )1ln( xy 下列函数中为奇函数是(A ).A. xxy
xy D. xxy sin下列函数中为偶函数的是((来源：淘豆网[/p-7100384.html]) D ).A xxy sin)1(
Bxxy 2 C xxy cos D )1ln( 2xy 2-1 下列极限存计算不正确的是( D ).A. 12lim 22 xxxB. 0)1ln(lim0xxC. 0sinlim
xxxD. 01sinlim
xxx2-2 当 0x 时,变量( C )是无穷小量.A.xxsinB.x1C.xx1sin D. 2)ln( x当 0x 时,变量( C )是无穷小量.Ax1BxxsinC 1e xD 2xx.当 0x 时,变量(D )是无穷小量.Ax1BxxsinCx2 D )1ln( x下列变量中,是无穷小量的为( B )A
1sin 0xx B
2224xxx3-1 设)(xf 在点 x=1 处可导,则 hfhfh)1()21(lim0( D ).A. )1(f
D. )1(2 f 设)(xf 在 0x 可导,则 hxfhxfh)()2(lim 000((来源：淘豆网[/p-7100384.html]) D ).A )( 0xf
D )(2 0xf 设)(xf 在 0x 可导,则 hxfhxfh 2)()2(lim 000( D ).A. )(2 0xf
C. )(2 0xf
D. )( 0xf 设xxf e)(
,则 xfxfx)1()1(lim0( A ) A e B. e2 C. e21D. e413-2. 下列等式不成立的是(D ).A.xxdedxe
B )(cossin xdxdx
C. xddxx21D. )1(lnxdxdx 下列等式中正确的是(B ).A. xdxxd arctan)11( 2B. 2)1(xdxxd C. dxd xx2)2ln2(
D. xdxxd cot)(tan 4-1 函数 14)( 2 xxxf 的单调增加区间是( D ).A. )2,( B. )1,1( C. ),2(
D. ),2( 函数 542 xxy 在区间)6,6( 内满足(A ).A. 先单调下降再单调上(来源：淘豆网[/p-7100384.html])升 B. 单调下降 C. 先单调上升再单调下降 D. 单调上升.函数 62 xxy 在区间(-5,5)内满足( A )A 先单调下降再单调上升 B 单调下降 C 先单调上升再单调下降 D 单调上升. 函数 622 xxy 在区间)5,2( 内满足(D ).A. 先单调下降再单调上升 B. 单调下降 C. 先单调上升再单调下降 D. 单调上升5-1 若)(xf 的一个原函数是x1,则 )(xf (D ). A. xln B. 21x C.x1D.32x.若)(xF 是)(xf 的一个原函数,则下列等式成立的是( A )。2A )()()( aFxFdxxfxa B )()()( afbfdxxFbaC )()( xFxf
D )()()( aFbFdxxfba5-2 若 xxf cos)(
,则 xxf d)( ( B ).A. cx sin B. cx cos C. cx
cos下列等式成立的是(D ).A. )(d)( xfxxf
B. )()(d xfxf C(来源：淘豆网[/p-7100384.html]). )(d)(d xfxxf
D. )(d)(ddxfxxfx xxfxxd)(dd 32( B ). A. )( 3xf B. )( 32xfx C. )(31xf D.)(31 3xf xxxfxd)(dd 2( D ) A )( 2xxf B xxf d)(21C )(21xf D xxxf d)( 2⒌-3 若
cxFxxf )(d)( ,则 xxfxd)(1( B ).A. cxF )( B. cxF )(2 C. cxF )2( D. cxFx)(1补充:
xefe xxd)( ceF x )( , 无穷积分收敛的是 dxx1 21函数xxxf
1010)( 的图形关于 y 轴对称。二、填空题⒈函数)1ln(39)(2xxxxf
的定义域是(3,+∞) .函数 xxxy
4)2ln(的定义域是(2,3) ∪(3,4 ]函数xxxf21)5ln()( 的定义域是(-5,2)若函数0,20,1)(2xxxxf x,则)0(f 1 .2 若函数0,0,)1()(1xkxxxx(来源：淘豆网[/p-7100384.html])fx,在 0x 处连续,则 k e ..函数002sin)(xkxxxxf 在 0x 处连续,则 k 2函数0,sin0,1xxxxy 的间断点是 x=0 .函数3322xxxy 的间断点是 x=3 。函数 xey11的间断点是 x=03-⒈曲线 1)(
xxf 在)2,1( 处的切线斜率是 1/2 .曲线 2)(
xxf 在)2,2( 处的切线斜率是 1/4 .曲线 1)(
xexf 在(0,2)处的切线斜率是 1 ..曲线 1)( 3 xxf 在)2,1( 处的切线斜率是 3 .3-2 曲线 xxf sin)(
在)1,2π( 处的切线方程是 y = 1 .切线斜率是 0曲线 y = sinx 在点(0,0)处的切线方程为 y = x 切线斜率是 14.函数)1ln( 2xy
的单调减少区间是(-∞,0 ) .函数2e)( xxf
的单调增加区间是(0,+∞) ..函数 1)1( 2 xy 的单调减少区间是(-∞,-1 ) ..函数 1)( 2 xxf 的单调增加区间是(0,+(来源：淘豆网[/p-7100384.html])∞) .函数2xey
的单调减少区间是(0,+∞) .5-1 xxded2dxe x2. .
xxdxddsin 2 2sin x . xx d)(tan tan x +C .若
cxxxf 3sind)( ,则 )(xf -9 sin 3x .5-2 335d)21(sin xx 3 . 11 231dxxx0 . edxxdxd1)1ln(0下列积分计算正确的是( B ).A 0d)(11xee xxB 0d)(11xee xxC 0d112xx D0d||11xx3三、计算题(一)、计算极限(1 小题,11 分)(1)利用极限的四则运算法则,主要是因式分解,消去零因子。(2)利用连续函数性质: )( 0xf 有定义,则极限)()(lim 00xfxfxx类型 1: 利用重要极限 1sinlim0 xxx,kxkxxsinlim0,kxkxxtanlim0计算1-1 求xxx 5sin6sinlim0. 解:565sin6sinlim5sin6sinlim00xxxxxxxx1-2 (来源：淘豆网[/p-7100384.html])求0tanlim3xxx解:
xxx 3tanlim0 31131tanlim310 xxx1-3 求xxx3tanlim0解:xxx3tanlim0= 3313.33tanlim0 xxx类型 2: 因式分解并利用重要极限 1)()sin(lim
axaxax,1)sin(lim
axaxax化简计算。2-1 求)1sin(1lim21
xxx. 解:)1sin(1lim21
xxx= 2)11(1)1.()1sin()1(lim1xxxx2-2 21sin 1lim1xxx解:(1.)1()1sin(lim1)1sin(lim121 xxxxxxx2-3)3sin(34lim23
xxxx解: 2)1(lim)3sin()1)(3(lim)3sin(34lim3323xxxxxxxxxx类型 3:因式分解并消去零因子,再计算极限3-14586lim 224
xxxxx解:4586lim 224
)1)(4()2)(4(lim4 xxxxx 3(来源：淘豆网[/p-7100384.html])212lim4 xxx3-22236lim12xx xx x
223 3 33 26 2 5lim lim lim12 3 4 4 7x x xx xx x xx x x x x
3-3423lim 222
xxxx解4121lim)2)(2()1)(2(lim423lim22222 xxxxxxxxxxxx其他: 0sin21limsin11lim2020 xxxxxx, 221sinlim11sinlim00 xxxxx 5456lim 22xxxxx1lim 22 xxx,
54362lim 22xxxxx 3232lim 22 xxx(0807 考题)计算xxx 4sin8tanlim0. 解:xxx 4sin8tanlim0= 248.4sin8tanlim0xxxxx(0801 考题. )计算xxx 2sinlim0. 解 xxx 2sinlim0 21sinlim210 xxx(0707 考题.))1sin(32lim21
xxxx= 4)31(来源：淘豆网[/p-7100384.html])(1)1sin()3).(1(lim1 xxxx(二) 求函数的导数和微分(1 小题,11 分)(1)利用导数的四则运算法则 vuvu
)( vuvuuv )((2)利用导数基本公式和复合函数求导公式xx1)(ln
aaaxxxxee )( uee uu .)(xxxxxxxx22csc)(cotsec)(tansin)(coscos)(sinxexeexexeexexeexxxxxxxxxsin).(cos)(cos).(sin)(2).()(coscoscossinsinsin2 222xxxxxeeeeexxxxxuuucos).(cos)(sincos2).(cos)(sin.cos)(sin2222xxxxeeeeexxxxxuuusin).(sin)(cossin2)(sin)(cos.sin)(cos2222类型 1:加减法与乘法混合运算的求导,先加减求导,后乘法求导;括号求导最后计算。1-1xxxy e)3( 解: y =
3 32 23 3x xx e x e(来源：淘豆网[/p-7100384.html])
1 32 2332x xx e x e
1 32 2332xx x e
1-2 xxxy lncot 2解:4xxxxxxxxxxxxy
ln2csc)(lnln)(csc)ln()(cot
设 xxey xlntan
,求 y .解:xxexexxexexxey xxxxx 1sectan1)(tantan)()(ln)tan( 2类型 2:加减法与复合函数混合运算的求导,先加减求导,后复合求导2-1 xxy lnsin 2 ,求 y 解:xxxxxy1cos2)(ln)(sin 222-22sinecos xy x ,求 y解:2222cos2esine).(cos).(sin)(sin)(cos xxxxeexey xxxxx2-3xexy 55ln
,求 y , 解:xxxxexy ).()(ln 类型 3: 乘积与复合函数混合运算的求导,先乘积求导,后复合求导xey xcos2 ,求 y 。解: xexxexexey xxxxsincos2)(coscos)(2222其他:xxy x cos2
,求 y 。解: 2).(cos.)(cos2ln2)cos()2(xxxxxxxy xx2cossin2ln2xxxxx 0807. 设2sinsin xey x , 求 y 解:2sin2sincos2cos)(sin)( xxxexey xx0801.设2xxey
,求 y 解:222222)()( xxxxexeexexy 0707.设2sinxey x ,求 y 解: xxexxey xx2cos)().(sin sin2sin0701.设xxy ecosln
,求 y 解:xxxxxeexy esine1).(sin)(ln (三)积分计算:(2 小题,共 22 分)凑微分类型 1:
)1(d12xdxx计算 xxx d1cos2解: cxxdxxxx
1sin)1(1cosd1cos20707.计算 xxdx1sin2. 解: cxxxxx
1cos)1(dx1sind1sin20701 计算 xxxde21. 解:
)1(dede121xxxxxcx1e凑微分类型 2:
2dx1.计算 xxxdcos. 解: cxxdxxxx
sin2cos2dcos0807.计算 xxdxsin. 解: cxxdxxx
cos2sin2dxsin0801.计算 xe xdx解: cexdexe xxx
22dx凑微分类型 3:
xdx lndx1 ,)ln(dx1
xadx 计算 xdxlnx1解: cxduuxxdx
|ln|ln1lnlndxlnx1. 计算 e1dln2xxx解:
e1e1)ln2()dln2(dln2xxxxx25)ln2(2112ex5 定积分计算题,分部积分法类型 1 :cxaxaxdxxaxxaxdxaxdxx aaaaaa ln111ln11ln11ln计算 e1lnxdxx 解: 1a , cxxxxdxxdxx
2ln411)4ln2(ln21lnxd22212e1eexxxxdxxxe
1)10()(1)ln(dlne1 eeexxxxx计算 e1 2dlnxxx解: 2a , cxxxxxddxxx 1ln1)1(lnln25eexxxxxxxx 211)1ln()1(dlndln e1e1 2 计算 dxxxe1ln解:21a , cxxxxxddxxx
4ln2ln2lndxxxe1ln=421)4ln2(ln21 eexxxxxde0807 e1lnxdx x(xlnxd32
e13e12nxd31dln xlxxx91921)91lnx31( 333 eexx类型 2 ceaxeaexdadxxe axaxaxax
211)(1xxdexdxxe 101) eexe xxxxdexdxxe
)( 1 eexe xxxxdexdxxe ( 222 eexe xx(0801 考题) 10xdxe x 101)xe(xde10xxxe类型 3: caxaaxxaaxdxaaxxaaxdxx
sin1cos1cos1cos1sin 2caxaaxxaaxdxaaxxaaxdxx
cos1sin1sin1sin1cos 220sinxdxx 10102)sincos(cos20 xxxxxd20cosxdxx 1202)cossin(sin20xxxxxd
cxxxxdxxxxxx 2sin412cos212cos212cos21d2sin202sinxdxx40402)2sin412cos21(2cos21 20
xxxxxd2 22 20 00 01 1 1 1cos2 sin 2 | sin 2 cos2 |2 2 4 2x xdx x x xdx x
四、应用题(1 题,16 分)类型 1: 圆柱体上底的中心到下底的边沿的距离为 l,问当底半径与高分别为多少时,圆柱体的体积最大?解:如图所示,圆柱体高 h 与底半径 r 满足222lrh 圆柱体的体积公式为 hhlhrV )(π 222 求导并令 0)3(π 22 hlV得 lh33 ,并由此解出 lr36 .即当底半径 lr36 ,高 lh33 时,圆柱体的体积最大.类型 2:已知体积或容积,求表面积最小时的尺寸。2-1(0801 考题) 某制罐厂要生产一种体积为 V 的有盖圆柱形容器,问容器的底半径与高各为多少时用料最省?解:设容器的底半径为 r ,高为 h ,则其容积 22.,..rVhhrV 表面积为rVrrhrS2π2π2π2 2222π4rVrS
, 由 0S 得 3π2Vr
,此时 3π42Vrh
。由实际问题可知,当底半径 3π2Vr
与高 rh 2 时可使用料最省。一体积为 V 的圆柱体,问底半径与高各为多少时表面积最小? 解: 本题的解法和结果与 2-1 完全相同。生产一种体积为 V 的无盖圆柱形容器,问容器的底半径与高各为多少时用料最省?解: 设容器的底半径为 r , 高为 h , 则无盖圆柱形容器表面积为rVrrhrS2ππ2π 22 , 令 02π2 2rVrS , 得l6rhVr
,π3 ,由实际问题可知,当底半径 3πVr
时可使用料最省。2-2 欲做一个底为正方形,容积为 32 立方米的长方体开口容器,怎样做法用料最省?(0707 考题)解: 设底边的边长为 x ,高为 h ,用材料为 y ,由已知 322 Vhx , 2xVh
,表面积xVxxhxy44 22 ,令 042 2xVxy ,得 6423 Vx , 此时,4x 2xVh
=2由实际问题可知, 4x 是函数的极小值点,所以当 4x , 2h 时用料最省。欲做一个底为正方形,容积为 62.5 立方米的长方体开口容器,怎样做法用料最省?解: 本题的解法与 2-2 同,只需把 V=62.5 代入即可。类型 3 求求曲线 kxy 2上的点,使其到点)0,(aA 的距离最短.曲线 kxy 2上的点到点)0,(aA 的距离平方为kxaxyaxL
222)()(0)(2
kaxL , kax
223-1 在抛物线 xy 42 上求一点,使其与 x 轴上的点)0,3(A 的距离最短.解:设所求点 P(x,y),则满足 xy 42 ,点 P 到点 A 的距离之平方为xxyxL 4)3()3( 222令 04)3(2
xL ,解得 1x 是唯一驻点,易知 1x 是函数的极小值点,当 1x 时, 2y 或 2y ,所以满足条件的有两个点(1,2)和(1,-2)3-2 求曲线 xy 22 上的点,使其到点)0,2(A 的距离最短.解: 曲线 xy 22 上的点到点 A ( 2 , 0 ) 的距离之平方为xxyxL 2)2()2( 222令 02)2(2
xL ,得 1x , 由此 222 xy , 2y即曲线 xy 22 上的点(1, 2 )和(1, 2 )到点 A(2,0)的距离最短。08074 求曲线2xy
上的点,使其到点 A(0,2)的距离最短。解: 曲线2xy
上的点到点 A ( 0 , 2 ) 的距离公式为222)2()2(
yyyxdd 与2d 在同一点取到最大值,为计算方便求2d 的最大值点,22)2(
yyd 32)2(21)( 2 yyd令 0)( 2d 得23y ,并由此解出26x ,即曲线2xy
上的点(23,26)和点(23,26 )到点 A(0,2)的距离最短7请您删除一下内容,O(∩_∩)O 谢谢!!!2015 年中央电大期末复习考试小抄大全,电大期末考试必备小抄,电大考试必过小抄 Shanghai’s Suzhou Creek has witnessed much of the city’s history. Zhou Wenting travels thisstoried body of water and finds its most fascinating spots. Some lucky cities can boast a greatbody of water, like London with the river Thames and Paris with the river Seine. Shanghai isprivileged enough to have two great bodies of water: Huangpu River and SuzhouCreek.Huangpu River became famous when colonists established clusters of grand buildingson its banks on what became known as the bund. Today, the bund overlooks the breathtakingskyline of Lujiazui financial district. Shanghai’s other body of water, however, Suzhou Creek,has been somewhat overshadowed. Suzhou Creek links the inland cities of Jiangsu provincewith Shanghai. When the British colonists, who arrived in the city after it was opened as acommercial port in 1843 found they could reach Suzhou, Jiangsu province, via the creek, theynamed it Suzhou Creek. Thanks to its location, a large amount of cargo and travelers weretransported via the creek before rail links were established. But after a century of beingutilized as a waterway to transport goods and labor, the creek grew dark and smelly.Industrial factories were established along the banks. In the 1990s it became a key task of thecity government to clean the creek. Suzhou Creek, which snakes 17 km from the iconicWaibaidu Bridge downtown to the outer ring road in west Shanghai, maps the changingperiods of the city’s history, including the imprints of theconcessions, the beginning of industrialization and theimprovement inpeople’s livingconditions. Where theBund beganIn-between theshopping street of EastNanjing Road and theBund, are a cluster ofstreets that give methe illusion that I amno longer in modern Shanghai. The streets arenarrow and old and criss-cross each other. Any oldresidential house may turn out to be a former officeof the British, constructed in the 1880s. Pawnshopsand hardware stores that are hard to find elsewhere,are plentiful here. This area, at the confluence ofHuangpu River and Suzhou Creek, is called theBund Origin. Countless tour buses stop at the siteevery day and visitors from around the world get offto see this place, the starting point of the concessionsin the city. It all started in 1872, when the formerBritish Consulate General was constructed and theBund began its transformation into an the financialstreet of the East. Now the site of the formerconsulate is called “No 1 Waitanyuan”, whichtranslates to “the Bund Origin”, to honor itsbeginnings. The plex of this historical prises of five buildings, the former British ConsulateGeneral, the official residence of the consul, the former Union Church, the church apartments and the formerShanghai Rowing Club. The size of the courtyard is equivalent to that of four standard er fields. The buildingof the former consulate is a two-storey masonry building on an H-shaped plan in typical English renaissance style.The building is designed with a five-arch verandah on the ground floor with a raised terrace facing the garden,while the facade features an entry portico beneath a colonnaded loggia. It has been turned into a café wheredinner and afternoon tea are available. Visitors can choose to sit indoors or outdoors to enjoy the magnificentgardens with nearly 30 ancient trees.Yuanmingyuan Road behind plex is also a historical site. The road has been revamped as a pedestrianshopping street and high-end brands have seized the best spots. Altogether, 14 old buildings, including those usedfor offices and residences constructed during 1920s and 1930s, remain. Today, it is a popular location mercial fashion photo shoots. New Tian’an Church, or Union Church, stands at the intersection ofYuanmingyuan Road and Suzhou Creek. The church,designed in the style of the English countryside, has acapacity of 500 people. It was very popular during theconcession period but was converted into factory offices after1949. The church we see today is a replica, the original burneddown in 2007. There used to be an outdoor swimming pool, thefirst of its kind in Shanghai, beside the church but hasbeen filled-in and is now a small garden. Bridge of romanceThere is perhaps no other place that’s more representativeof Shanghai than this bridge, which appears in quite alot of movies about the city. Dozens of couples visit everyday to pose for their pre-wedding photos on the bridge whereSuzhou Creek begins and interconnects with HuangpuRiver. This is Waibaidu Bridge, or the Garden Bridge. The soon-to-be-wed couples pose in splendid attire on thebridge, leaning against the railing or sitting on the wooden floor. Some even risk walking into the middle of theroad to get the perfect shot.Colorful lights illuminate the bridge throughout the night, makingit a picturesque place for pre-wedding portraits and lovers to meet. Constructed in 1873 anddesigned by a pany, the 106-meter-long bridge was the first-ever major bridge inShanghai. In 1856, the first large wooden bridge, Wells Bridge, was built over Suzhou Creekbut the bridge toll led plaints from citizens. So 17 years later, another wooden bridge,which did not require tolls, was built. People called it Waibaidu, which means “going across forfree”. The bridge was renovated as a steel truss structure in 1907. Because nearly 40 bridgeshave now been built over Suzhou Creek, the bridge is no longer a traffic artery but is more ofan observation deck for tourists. It is a tradition in Shanghai for a grandmother to walk acrossa bridge with their grandchild when he or she reaches one month. This represents that thenewborn has e all the twists and turns and its journey will be safe and smooththroughout his or her life. &Waibaidu Bridge is always the best option because it’s the icon ofShanghai. The picture of my daughter when she was a baby held by her grandmother was alsotaken here. It’s like a family tradition,& says Wang Xuefen, a Shanghai native who has anewborn grandson. Changning Riverside There is a 5-km stretch of waterfront by SuzhouCreek in Changning district on Changning Road from the intersection of Hami Road toJiangsu Road. It has e a popular place to take a walk and sunbathe on the lawn. There isan overpass at the intersection of Changning Road and Gubei Road for people to enjoy the view of the creek anda 3-km plastic runway on both sides of Changning Road, which attracts people of all ages, Chinese and expat.&Jogging on the two sides gives a different feeling because the north side is next to the creek, and the south side isadjacent to the residential highrises, which is like jogging in the jungle,& says Xiao Xu, a 27-year-old woman wholives nearby. The riverside used to pletely different. Dozens of textile mills, chemical plants and machinemanufacturing factories were set up along the creek in the 1920s. They brought industrialization but alsopollution. From the 1930s the creek could no longer be used as a source for tap water, and no living fish orshrimp could be found. &Suzhou Creek in my memory is dark and smelly. I used to go to the riverbank to watchthe sewage disposal running out from the chemical plants when I was a little girl. We didn’t know it was pollution.We thought it was a red waterfall,& says Huang Qi, a 57-year-old Shanghai resident. &So the residential housesalong the creek were unpopular, and only migrants with low es would live in that area,& she says. However,things have changed. The plants were closed and turned into riverside parks and the apartments in the newhighrises, especially those facing the creek, are much sought after. East China University of Political Science andLaw This is the famous former Saint John’s University, China’s first-ever modern institution of higher educationestablished by missionaries from the United States in 1879. The bine Chinese and Western elements.Address: 1575 Wanhangdu Road, Changning district The old residential area After you leave the university fromits east gate you will enter a shabby neighborhood that retains its original look. The alleys are narrow and thehouses are overcrowded. Some things have not changed for many generations, such as raising chickens at home.Address: West Guangfu Road Moganshan Road This is an artsy street that has e very popular amongartists and fashionistas in recent years. Graffiti covers the walls on the winding street, where you can find acluster of art galleries and creative industry offices. Sihang Warehouse Four banks jointly funded theconstruction of this warehouse, so it is named sihang, or four banks. The warehouse, built in 1931, was used forthe storage of food, first-aid supplies and ammunition during the years of war. The building, which is also amasterpiece left by the Hungarian architect Laszlo Hudec in the 1930s, has been recently transformed into acenter of creative industry workshops.Address: 1 Guangfu Road, Zhabei district播放器加载中，请稍候...
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2015年电大高等数学基础复习考试小抄【附详细试题分析】 1高等数学基础归类复习考试小抄一、单项选择题1-1 下列各函数对中,( C )中的两个函数相等.A.2)()( xxf
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xxf ,11)(2xxxg1-⒉设函数)(xf 的定义域为),(
,则函数)()( xfxf
的图形关于(C )对称.A. 坐标...
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