2£®Ä³Ñо¿ÐÔѧϰС×éΪºÏ³É1-¶¡´¼£¬²éÔÄ×ÊÁϵÃÖªÒ»ÌõºÏ³É·Ïߣº
CH3CH=CH2+CO+H2$\stackrel{Ò»¶¨Ìõ¼þ}{¡ú}$CH3CH2CH2CHO$¡ú_{Ni¡¢¡÷}^{H_{2}}$CH3CH2CH2CH2OH£»
COµÄÖƱ¸Ô­Àí£ºHCOOH$¡ú_{¡÷}^{ŨH_{2}SO_{4}}$CO¡ü+H2O£¬COµÄÖƱ¸
×°ÖÃÈçͼËùʾ£®ÇëÌîдÏÂÁпհףº
£¨1£©×°ÖÃaµÄ×÷ÓÃÊÇƽºâѹǿ£¬Ê¹ÒºÌå˳ÀûÁ÷Ï£»
£¨2£©ÊµÑéʱÏò×°ÖÃbÖмÓÈ뼸Á£·ÐʯµÄ×÷ÓÃÊÇ·ÀÖ¹±©·Ð£¬
ijͬѧ½øÐÐʵÑéʱ£¬¼ÓÈȺó·¢ÏÖδ¼Ó·Ðʯ£¬Ó¦²ÉÈ¡µÄÕýÈ··½·¨ÊÇÍ£Ö¹¼ÓÈÈÀäÈ´ºóÔÙ¼ÓÈë·Ðʯ£»
£¨3£©×°ÖÃcµÄ×÷ÓÃÊÇ·Àµ¹Îü£¬°²È«Æ¿×÷Óã»
£¨4£©ÊµÑéÊÒÓÃŨÁòËáºÍ2-±û´¼ÖƱ¸±ûϩʱ£¬»¹²úÉúÉÙÁ¿SO2¡¢CO2¼°Ë®ÕôÆø£¬¸ÃС×éÓÃÒÔÏÂÊÔ¼Á¼ìÑéÕâËÄÖÖÆøÌ壬»ìºÏÆøÌåͨ¹ýÊÔ¼ÁµÄ˳ÐòÊÇ¢Ü-¢Ý-¢Ù-¢Û-¢Ú£¨ÌîÐòºÅ£¬ÊÔ¼Á¿ÉÒÔÖظ´Ê¹Óã©£»
¢Ù±¥ºÍNa2SO3ÈÜÒº¡¡¡¡¢ÚËáÐÔKMnO4ÈÜÒº¡¡¡¡¢Ûʯ»ÒË®¡¡¡¡¢ÜÎÞË®CuSO4¡¡    ¢ÝÆ·ºìÈÜÒº
д³öÉú³ÉSO2¡¢CO2¼°Ë®ÕôÆø·´Ó¦µÄ»¯Ñ§·½³ÌʽCH3CHOHCH3+9H2SO4$\frac{\underline{\;\;¡÷\;\;}}{\;}$9SO2+3CO2+13H2O£»
£¨5£©ºÏ³ÉµÄ1-¶¡´¼Öг£º¬ÓÐÔÓÖʶ¡È©£¬Éè¼Æ³öÈçÏÂÌᴿ·Ïߣº
´ÖÆ·$¡ú_{²Ù×÷1}^{ÊÔ¼Á1}$ÂËÒº$¡ú_{²Ù×÷2}^{ÒÒÃÑ}$$\stackrel{·ÖÒº}{¡ú}$Óлú²ã$¡ú_{¹ýÂË}^{¸ÉÔï¼Á}$1-¶¡´¼¡¢ÒÒÃÑ$\stackrel{²Ù×÷3}{¡ú}$´¿Æ·
ÒÑÖª£º¢ÙR-CHO+NaHSO3£¨±¥ºÍ£©¡úRCH£¨OH£©SO3Na¡ý£»¢Ú·Ðµã£ºÒÒÃÑ 34¡æ£¬1-¶¡´¼ 118¡æ
ÊÔ¼Á1Ϊ±¥ºÍNaHSO3ÈÜÒº£¬²Ù×÷1Ϊ¹ýÂË£¬²Ù×÷2ΪÝÍÈ¡£¬²Ù×÷3ΪÕôÁó£»
£¨6£©ÏÖÓÃ60g 2-±û´¼ÖƱ¸1-¶¡´¼£¬¾­·ÖÎöÖª£ºÓÉ2-±û´¼ÖƱ¸±ûϩʱµÄ²úÂÊΪ85%£¬ÓɱûÏ©Öƶ¡È©²úÂÊΪ80%£¬Óɶ¡È©ÖÆ1-¶¡´¼²úÂÊΪ75%£¬ÔòÖƵÃ1-¶¡´¼Îª37.74g£®

·ÖÎö £¨1£©ÔÚÌâ¸ø×°ÖÃÖУ¬aµÄ×÷Óñ£³Ö·ÖҺ©¶·ºÍÉÕÆ¿ÄÚµÄÆøѹÏàµÈ£¬ÒÔ±£Ö¤·ÖҺ©¶·ÄÚµÄÒºÌåÄÜ˳Àû¼ÓÈëÉÕÆ¿ÖУ»
£¨2£©ÊµÑéʱÏò×°ÖÃbÖмÓÈ뼸Á£·Ðʯ·ÀÖ¹ÆٷУ¬¼ÓÈȺó·¢ÏÖδ¼Ó·Ðʯ£¬Ó¦ÀäÈ´ºóÔÙ²¹¼Ó£»
£¨3£©cÖ÷ÒªÊÇÆð°²È«Æ¿µÄ×÷Óã¬ÒÔ·ÀÖ¹µ¹Îü£»
£¨4£©¼ìÑé±ûÏ©ºÍÉÙÁ¿SO2¡¢CO2¼°Ë®ÕôÆø×é³ÉµÄ»ìºÏÆøÌå¸÷³É·Öʱ£¬Ó¦Ê×ÏÈÑ¡¢ÜÎÞË®CuSO4¼ìÑéË®ÕôÆø£¬È»ºóÓâÝÆ·ºìÈÜÒº¼ìÑéSO2£¬²¢Óâٱ¥ºÍNa2SO3ÈÜÒº³ýÈ¥SO2£»È»ºóÓâÛʯ»ÒË®¼ìÑéCO2£¬ÓâÚËáÐÔKMnO4ÈÜÒº¼ìÑé±ûÏ©£»Å¨ÁòËáºÍ2-±û´¼ÔÚ¼ÓÈÈʱ·¢ÉúÑõ»¯»¹Ô­·´Ó¦Éú³É¶þÑõ»¯Áò¡¢¶þÑõ»¯Ì¼ºÍË®£»
£¨5£©±¥ºÍNaHSO3ÈÜÒºÐγɳÁµí£¬È»ºóͨ¹ý¹ýÂ˼´¿É³ýÈ¥£»1-¶¡´¼ºÍÒÒÃѵķеãÏà²îºÜ´ó£¬Òò´Ë¿ÉÒÔÀûÓÃÕôÁó½«Æä·ÖÀ뿪£»
£¨6£©½«Ã¿Ò»²½µÄÀûÓÃÂÊ»òËðʧÂʶ¼×ª»¯ÎªÆðʼԭÁϵÄÀûÓÃÂÊ»òËðʧÂÊ£¬¾Ý´Ë¼ÆËãÔ­ÁϵÄʵ¼ÊÀûÓÃÂÊ£¬¸ù¾ÝÔªËØÊغã¼ÆËã1-¶¡´¼µÄÖÊÁ¿£®

½â´ð ½â£º£¨1£©ÎªÁËʹ·ÖҺ©¶·ÖеÄÒºÌåÄÜ˳ÀûµÄÁ÷Ï£¬¾Í±ØÐè±£³Ö·ÖҺ©¶·ºÍÉÕÆ¿ÄÚµÄÆøѹÏàµÈ£¬Òò´ËaµÄ×÷ÓÃÊDZ£³Öºãѹ£¬
¹Ê´ð°¸Îª£ºÆ½ºâѹǿ£¬Ê¹ÒºÌå˳ÀûÁ÷Ï£»
£¨2£©ÊµÑéʱÏò×°ÖÃbÖмÓÈ뼸Á£·Ðʯ·ÀÖ¹ÆٷУ¬¼ÓÈȺó·¢ÏÖδ¼Ó·Ðʯ£¬Ó¦ÀäÈ´ºóÔÙ²¹¼Ó£»
¹Ê´ð°¸Îª£º·ÀÖ¹±©·Ð£»Í£Ö¹¼ÓÈÈÀäÈ´ºóÔÙ¼ÓÈë·Ðʯ£»
£¨3£©cÖ÷ÒªÊÇÆð°²È«Æ¿µÄ×÷Óã¬ÒÔ·ÀÖ¹µ¹Îü£¬
¹Ê´ð°¸Îª£º·Àµ¹Îü£¬°²È«Æ¿×÷Óã»
£¨4£©¼ìÑé±ûÏ©¿ÉÒÔÓÃËáÐÔKMnO4ÈÜÒº£¬¼ìÑéSO2¿ÉÒÔÓÃËáÐÔKMnO4ÈÜÒºÍÊÉ«¡¢Æ·ºìÈÜÒº»òʯ»ÒË®£¬¼ìÑéCO2¿ÉÒÔʯ»ÒË®£¬¼ìÑéË®ÕôÆø¿ÉÒÔÎÞË®CuSO4£¬ËùÒÔÔÚ¼ìÑéÕâËÄÖÖÆøÌå±ØÐ迼ÂÇÊÔ¼ÁµÄÑ¡ÔñºÍ˳Ðò£¬Ö»ÒªÍ¨¹ýÈÜÒº£¬¾Í»á²úÉúË®ÕôÆø£¬Òò´ËÏȼìÑéË®ÕôÆø£»È»ºó¼ìÑéSO2²¢ÔÚ¼ìÑéÖ®ºó³ýÈ¥SO2£¬³ýSO2¿ÉÒÔÓñ¥ºÍNa2SO3ÈÜÒº£¬×îºó¼ìÑéCO2ºÍ±ûÏ©£¬Òò´Ë˳ÐòΪ¢Ý¢Ù¢Û¢Ú£¬Å¨ÁòËáºÍ2-±û´¼ÔÚ¼ÓÈÈʱ·¢ÉúÑõ»¯»¹Ô­·´Ó¦Éú³É¶þÑõ»¯Áò¡¢¶þÑõ»¯Ì¼ºÍË®£¬·´Ó¦µÄ·½³ÌʽΪCH3CHOHCH3+9H2SO4$\frac{\underline{\;\;¡÷\;\;}}{\;}$9SO2+3CO2+13H2O£¬
¹Ê´ð°¸Îª£º¢Ý¢Ù¢Û£»CH3CHOHCH3+9H2SO4$\frac{\underline{\;\;¡÷\;\;}}{\;}$9SO2+3CO2+13H2O£»
£¨5£©´ÖÆ·Öк¬ÓÐÕý¶¡È©£¬¸ù¾ÝËù¸øµÄÐÅÏ¢ÀûÓñ¥ºÍNaHSO3ÈÜÒºÐγɳÁµí£¬È»ºóͨ¹ý¹ýÂ˼´¿É³ýÈ¥£»ÓÉÓÚ±¥ºÍNaHSO3ÈÜÒºÊǹýÁ¿µÄ£¬ËùÒÔ¼ÓÈëÒÒÃѵÄÄ¿µÄÊÇÝÍÈ¡ÈÜÒºÖеÄ1-¶¡´¼£®ÒòΪ1-¶¡´¼ºÍÒÒÃѵķеãÏà²îºÜ´ó£¬Òò´Ë¿ÉÒÔÀûÓÃÕôÁó½«Æä·ÖÀ뿪£¬
¹Ê´ð°¸Îª£º±¥ºÍNaHSO3ÈÜÒº£»¹ýÂË£»ÝÍÈ¡£»ÕôÁó£»
£¨6£©½«Ã¿Ò»²½µÄÀûÓÃÂÊ»òËðʧÂʶ¼×ª»¯ÎªÆðʼԭÁϵÄÀûÓÃÂÊ»òËðʧÂÊ£¬ÔòÔ­ÁϵÄʵ¼ÊÀûÓÃÂÊΪ85%¡Á80%¡Á75%£¬¸ù¾ÝÔªËØÊغ㼰·´Ó¦·½³Ìʽ¿ÉÖª1-¶¡´¼µÄÖÊÁ¿Îª85%¡Á80%¡Á75%¡Á$\frac{60g}{60g/mol}¡Á74g/mol$=37.74g£¬
¹Ê´ð°¸Îª£º37.74£®

µãÆÀ ±¾Ì⿼²éÓлúÎïºÏ³É·½°¸µÄÉè¼Æ£¬ÌâÄ¿ÄѶȽϴó£¬×ÛºÏÐÔ½ÏÇ¿£¬´ðÌâʱעÒâ°ÑÎÕÎïÖʵķÖÀë¡¢Ìá´¿·½·¨£¬°ÑÎÕÎïÖʵÄÐÔÖʵÄÒìͬÊǽâ´ð¸ÃÌâµÄ¹Ø¼ü£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

12£®ÏÂÁбíʾ¶ÔÓ¦»¯Ñ§·´Ó¦µÄÀë×Ó·½³ÌʽÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÏòÏ¡HNO3ÖеμÓNa2SO3ÈÜÒºSO32-+2H+¨TSO2¡ü+H2O
B£®CuSO4ÈÜÒºÓëH2S·´Ó¦µÄÀë×Ó·½³Ìʽ£ºCu2++S2-¨TCuS¡ý
C£®ÂÈÆøÈÜÓÚË®£ºCl2+H2¨T2H++Cl-+ClO-
D£®ÏòCuSO4ÈÜÒºÖмÓÈëNa2O2£º2Na2O2+2Cu2++2H2¨T4Na++2Cu£¨OH£©2¡ý+O2¡ü

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

13£®ÒÑÖªÏÂÁÐÈÈ»¯Ñ§·½³Ìʽ£º
¢ÙH2£¨g£©+$\frac{1}{2}$O2£¨g£©¨TH2O£¨l£©¡÷H=-285.8kJ/mol
¢ÚH2£¨g£©+$\frac{1}{2}$O2£¨g£©¨TH2O£¨g£©¡÷H=-241.8kJ/mol
¢ÛC£¨s£©+$\frac{1}{2}$O2£¨g£©¨TCO£¨g£©¡÷H=-110.5kJ/mol
¢ÜC£¨s£©+O2£¨g£©¨TCO2£¨g£©¡÷H=-393.5kJ/mol
»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ÉÏÊö·´Ó¦ÖÐÊôÓÚ·ÅÈÈ·´Ó¦µÄÊǢ٢ڢۢܣ®
£¨2£©È¼ÉÕ10g H2Éú³ÉҺ̬ˮ£¬·Å³öµÄÈÈÁ¿Îª1429.0kJ
£¨3£©±íʾCOȼÉÕÈȵÄÈÈ»¯Ñ§·½³ÌʽΪCO£¨g£©+$\frac{1}{2}$O2£¨g£©¨TCO2£¨g£©¡÷H=-283.0kJ/mol£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

10£®Ä³»¯Ñ§¿ÎÍâС×éʹÓÃÌúË¿×ö´ß»¯¼Á£¬ÓÃÏÂͼװÖÃÖÆÈ¡äå±½£¬ÏÈÏò·ÖҺ©¶·ÖмÓÈë±½ºÍÒºä壬ÔÙ½«»ìºÏÒºÂýÂýµÎÈë·´Ó¦Æ÷A£¨A϶˻îÈû¹Ø±Õ£©ÖУ®
£¨1£©Ð´³öAÖб½ºÍäå·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º
£¨2£©Èô·´Ó¦Ò»¶Îʱ¼äºó£¬ÏòÊÔ¹ÜDÖмÓÈëÏõËáÒøÈÜÒº£¬Ôò£¬¹Û²ìµ½DÖеÄÏÖÏóÊÇÓÐdz»ÆÉ«³ÁµíÉú³É£®
£¨3£©ÊµÑé½áÊøʱ£¬´ò¿ªA϶˵ĻîÈû£¬ÈûìºÏÒºÁ÷ÈëB ÖУ¬³ä·ÖÕñµ´£¬Ä¿µÄÊÇÓÃÇâÑõ»¯ÄÆÈÜÒº³ýÈ¥»ìÔÚäå±½ÖÐδÍêÈ«·´Ó¦µÄÒºä壬µÃµ½½Ï´¿¾»µÄäå±½£®ÒÇÆ÷BµÄÃû³ÆÊÇ׶ÐÎÆ¿£¬Ð´³öäåºÍÇâÑõ»¯ÄÆÈÜÒº·´Ó¦µÄ»¯Ñ§·½³ÌʽBr2+2NaOH¡úNaBr+NaBrO+H2O»ò3Br2+6NaOH¡ú5NaBr+NaBrO3+3H2O£¨Ìáʾ£ºÓëÂÈÆøºÍÇâÑõ»¯ÄÆÈÜÒº·´Ó¦ÏàËÆ£©£®
£¨4£©CÖÐÊ¢·ÅCCl4µÄ×÷ÓÃÊdzýÈ¥ä廯ÇâÆøÌåÖеÄäåÕôÆø£®
£¨5£©ÎªÁËÖ¤Ã÷±½ºÍÒºäå·¢ÉúµÄÊÇÈ¡´ú·´Ó¦£¬³ýÁËÓã¨2£©ÖеIJÙ×÷ºÍÏÖÏóÍ⣬»¹ÓбðµÄ°ì·¨¿ÉÒÔÖ¤Ã÷£®ÕâÖÖÑéÖ¤µÄ·½·¨ÊÇ·´Ó¦½áÊøºóÏòÊÔ¹ÜDÖеμÓʯÈïÊÔÒº£¬ÏÖÏóÊÇÈÜÒº±äºìÉ«£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

17£®ÏÂÁл¯Ñ§·´Ó¦ÖУ¬¼ÈÊÇÖû»·´Ó¦ÓÖÊÇÑõ»¯»¹Ô­·´Ó¦µÄÊÇ£¨¡¡¡¡£©
A£®2Al+6HCl¨T2 AlCl3+3H2B£®4Na+O2¨T2Na2O
C£®MgO+H2SO4¨TMgSO4+2H2OD£®Ba£¨OH£©2+H2SO4¨TBaSO4¡ý+2H2O

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

7£®ÏÂÁÐʵÑéÖУ¬¶ÔÓ¦µÄÏÖÏóÒÔ¼°½áÂÛ¶¼ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
Ñ¡Ïî             ÊµÑé           ÏÖÏó       ½áÂÛ
A½«Ï¡ÏõËá¼ÓÈë¹ýÁ¿Ìú·ÛÖУ¬³ä·Ö·´Ó¦ºóµÎ¼ÓKSCNÈÜÒºÓÐÆøÌåÉú³É£¬ÈÜÒº³ÊºìÉ«Ï¡ÏõËὫFeÑõ»¯ÎªFe3+
B½«Í­·Û¼ÓÈë1.0mol/LFe2£¨SO4£©3ÈÜÒºÖÐÈÜÒº±äÀ¶£¬ÓкÚÉ«¹ÌÌå³öÏÖ½ðÊôÌú±ÈÍ­»îÆÃ
CÓÃÛáÛöǯ¼ÐסһС¿éÓÃÉ°Ö½×Ðϸ´òÄ¥¹ýµÄÂÁ²­Ôھƾ«µÆÉϼÓÈÈÈÛ»¯ºóµÄҺ̬ÂÁµÎÂäÏÂÀ´½ðÊôÂÁµÄÈÛµã½ÏµÍ
DÔÚÏàͬÌõ¼þÏ£¬·Ö±ð¼ÓÈÈNa2CO3¹ÌÌåºÍNaHCO3¹ÌÌåNaHCO3¹ÌÌå·Ö½â£¬²úÉúÆøÌåʹ³ÎÇåʯ»ÒË®±ä»ë×Ç£¬Na2CO3¹ÌÌ岢ûÓзֽâNa2CO3¹ÌÌåµÄÎȶ¨ÐÔ±ÈNaHCO3ºÃ
A£®AB£®BC£®CD£®D

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

14£®ÏÂÁйØÓÚÄÆ¡¢ÂÁ¡¢ÌúµÄÐðÊöÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®¶¼¿ÉÒÔÓëË®·´Ó¦Éú³ÉÇâÆøºÍ¼î
B£®¶¼ÄÜ´ÓÁòËáÍ­ÈÜÒºÖÐÖû»³öÍ­
C£®È¥³ýÂÁ±íÃæµÄÍ­¶Æ²ã¿ÉÒÔÑ¡ÓÃÏ¡ÏõËá
D£®ÌúË¿²»ÂÛÔÚ¿ÕÆøÖл¹ÊÇÔÚ´¿ÑõÖж¼¿ÉÒÔ·¢ÉúÑõ»¯»¹Ô­·´Ó¦

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

11£®ÏÂÁÐʵÑéÉè¼Æ¼°Æä¶ÔÓ¦µÄÀë×Ó·½³Ìʽ¾ùÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÓÃFeCl3ÈÜÒº¸¯Ê´Í­Ïß·°å£ºCu+Fe3+¨TCu2++Fe2+
B£®Na2O2ÓëH2O·´Ó¦ÖƱ¸O2£º2Na2O2+2H2O¨T4Na++4OH-+O2¡ü
C£®½«ÂÈÆøÈÜÓÚË®ÖƱ¸´ÎÂÈË᣺Cl2+H2O¨T2H++Cl-+ClO-
D£®ÓÃŨÑÎËáËữµÄKMnO4ÈÜÒºÓëH2O2·´Ó¦£¬Ö¤Ã÷H2O2¾ßÓл¹Ô­ÐÔ£º2MnO4-+6H++5H2O2¨T2Mn2++5O2¡ü+8H2O

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

12£®£¨1£©µÈÎïÖʵÄÁ¿µÄCH4ºÍNH3£¬ÆäÖÊÁ¿±ÈΪ16£º17£¬·Ö×Ó¸öÊý±ÈΪ1£º1£¬Ô­×Ó¸öÊý±ÈΪ5£º4£¬ÇâÔ­×Ó¸öÊý±ÈΪ4£º3£®
£¨2£©2mol CO2µÄÖÊÁ¿Îª88g£¬º¬·Ö×ÓÊýԼΪ1.204¡Á1024¸ö£¬ÔÚ±ê×¼×´¿öÏÂËùÕ¼ÓеÄÌå»ýԼΪ44.8L£¬º¬ÑõÔ­×ÓµÄÎïÖʵÄÁ¿Îª4mol£®
£¨3£©0.3molµÄÑõÆøºÍ0.2molµÄ³ôÑõO3£¬ËüÃǵÄÖÊÁ¿Ö®±ÈÊÇ1£º1£¬·Ö×ÓÊýÖ®±ÈÊÇ3£º2£¬Ô­×ÓÊýÖ®±ÈÊÇ1£º1£¬ËüÃǵÄÌå»ý±È£¨Í¬Î¡¢Í¬Ñ¹£©ÊÇ3£º2£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸