60£® Ô²¹ÜÎÉÁ÷¹ý¶ÉÇøµÄÑØ³ÌˮˮͷËðʧϵÊý?Ó루 C £©Óйء£
A.À×ŵÊý£»B.¹Ü±ÚÏà¶Ô´Ö²Ú¶È£»C.À×ŵÊýºÍ¹Ü±ÚÏà¶Ô´Ö²Ú¶È£»D.À×ŵÊýºÍ¹ÜµÀ³¤¶È¡£ 61£®ÎÉÁ÷¸½¼ÓÇÐÓ¦Á¦?2µÈÓÚ£¨ B £©
A£®?ux?uy?
B£®£?ux?uy? C£®ux?uy?
D£®?ux?uy?
78£®ÏÂÁÐÂÛÊöÕýÈ·µÄΪ£¨ C £©
A£®ÒºÌåµÄÕ³¶ÈËæÎ¶ȵļõС¶ø¼õС£» B£®¾²Ë®Ñ¹Á¦ÊôÓÚÖÊÁ¿Á¦£»
C£®µ±Á¿²ÚÁ£¸ß¶ÈÊÇÖ¸ºÍ¹¤Òµ¹ÜµÀÔÚ´Ö²ÚÇø?ÖµÏàµÈµÄÄá¹ÅÀ×ȴֲڹܵIJÚÁ£¸ß¶È£» D£®¼±±äÁ÷¹ýË®¶ÏÃæÉϵIJâѹ¹ÜˮͷÏàµÈ¡£
91¡¢¹Ü·ˮÁ¦¼ÆËãÖеÄËùν³¤¹ÜÊÇÖ¸( C ) A.³¤¶ÈºÜ³¤µÄ¹Ü· B.×ÜÄÜÁ¿ËðʧºÜ´óµÄ¹Ü·
C.¾Ö²¿ËðʧÓëÑØ³ÌËðʧÏà±È½Ï¿ÉÒÔºöÂԵĹÜ· D.¾Ö²¿ËðʧÓëÑØ³ÌËðʧ¾ù²»ÄܺöÂԵĹÜ·
94£® Ò»·â±ÕÈÝÆ÷£¬Ë®±íÃæÉÏÆøÌåѹǿµÄÕæ¿Õ¶Èpv=10kPa£¬Ë®Éî2m´¦µÄÏà¶ÔѹǿΪ£¨ B £©
A£®£10kPa B£®9.6kPa C£®19.6kPa D£®29.6kPa
¶þ£®¶àÏîÑ¡ÔñÌ⣨ÿÌâ3·Ö£¬¹²21·Ö¡£Ã¿ÌⱸѡµÄ´ð°¸ÖУ¬ÓÐÁ½¸ö»òÁ½¸öÒÔÉÏ·ûºÏÌâÒ⣬ѡ
´í»ò¶àÑ¡²»µÃ·Ö£»ÉÙÑ¡£¬µ«Ñ¡ÔñÕýÈ·µÄÿ¸öÑ¡ÏîµÃ1·Ö£©¡£
¢±Ó¦Óú㶨×ÜÁ÷µÄÄÜÁ¿·½³Ìʱ±ØÐëÂú×ãÏÂÁÐÌõ¼þ b c e ¡£ a.ÖÊÁ¿Á¦ÊÇÓÐÊÆÁ¦£» b.ÖÊÁ¿Á¦Ö»ÓÐÖØÁ¦£»
c.ºã¶¨Á÷£» d.Á½¹ýË®¶ÏÃæÒ»¶¨ÊǾùÔÈÁ÷£» e.Á½¹ýË®¶ÏÃæ±ØÐëÊǽ¥±äÁ÷£»f. ±ØÐëÊÇÀíÏëÒºÌå¡£
2£®ÔÚ¼ÆËã×÷ÓÃÔÚÇúÃæÉϵľ²Ë®Ñ¹Á¦Ê±£¬Ñ¹Á¦ÌåÓÉÒÔϼ¸¸öÃæ×é³É£º a d e ¡£ a.Ë®Ãæ»òË®ÃæÑÓ³¤Ã棻 b.²âѹ¹ÜË®Ãæ£» c.×ÔÓɱíÃæ£» d.ÊÜѹÇúÃæ£»
e.ͨ¹ýÊÜѹÇúÃæµÄËĸö±ßÔµÏòÒºÃæ»òÒºÃæÑÓ³¤ÃæËù×÷µÄǦ´¹ÖùÃæ£» f.µÈÑ¹Ãæ¡£ 3£®¿ÉÒÔͨ¹ýÒÔÏ·½·¨»òÊֶμõСˮ»÷ѹǿ a c d e ¡£ a£®ÑÓ³¤¿ª¡¢¹Ø·§Ê±¼ä£» b. ͨ¹ý×Ô¶¯¿ØÖÆÉ豸´ïµ½¿ìËÙ¿ª¡¢¹Ø·§ÃŵÄÄ¿µÄ£» c£®Âú×ã½á¹¹ÒªÇóµÄǰÌáÏ£¬Ôö´ó¹Ü¾¶ºÍ¼õС¹Ü±Úºñ¶È£» d. ÓøֽîíŹܴúÌæíŹܣ»e. ¼õСÁ÷ËÙ£» f. Ôö´ó¹Ü±Úºñ¶È¡£
4£®²®Å¬Àï·½³ÌʽµÄÊÊÓ÷¶Î§Îª a b e ¡£
a. ÒºÌå²»¿ÉѹËõ£» b. ÖÊÁ¿Á¦Ö»ÓÐÖØÁ¦£» c. ÖÊÁ¿Á¦±ØÐëÊÇÓÐÊÆÁ¦£» d. ÓÐÎÐÁ÷¶¯£» e. ºã¶¨Á÷¶¯£» f. ͬһ¸ùÁ÷Ïß¡£ 1£®ÅбðË®Á÷ÊDzãÁ÷»¹ÊÇÎÉÁ÷£¬¿ÉÒÔÓã¨D £©
A£®Å£¶ÙÊý £Â£®Å·ÀÊý £Ã£®·ðÈêµÂÊý £Ä£®À×ŵÊý 2£®ÀíÏëÒºÌåÓëʵ¼ÊÒºÌå×îÖ÷ÒªµÄÇø±ðÊÇ£¨D £©
A£®²»¿ÉѹËõ £Â£®²»ÄÜÅòÕÍ £Ã£®Ã»ÓбíÃæÕÅÁ¦ £Ä£®Ã»ÓÐÕ³ÖÍÐÔ 4£®¹«Ê½z?p?cÖеÄpÊÇ£¨ C £©
?A£®¾ø¶Ôѹǿ £Â£®Ïà¶Ôѹǿ £Ã£®¾ø¶Ôѹǿ»òÏà¶Ôѹǿ £Ä£® Õæ¿Õѹǿ 5£®ÒºÌåÖÐijµã·¢ÉúÕæ¿Õʱ£¬¸ÃµãµÄ£¨B £©
5
A£®¾ø¶ÔѹǿΪ¸ºÖµ £Â£®Ïà¶ÔѹǿΪ¸ºÖµ £Ã£®¾ø¶ÔѹǿСÓÚÏà¶Ôѹǿ £Ä£®¾ø¶Ôѹǿ´óÓÚ´óÆøÑ¹Ç¿
7£®Ë®Á÷ÑØµÈÖ±¾¶Ë®Æ½·ÅÖùܵÀ×÷ÓÐѹºã¶¨Á÷¶¯£¬ÑØÁ÷¶¯·½Ïò¸÷¶ÏÃæµÄƽ¾ùÁ÷ËÙÑØ³Ì£¨C £© A£®Ôö´ó £Â£®¼õС £Ã£®²»±ä £Ä£®¿ÉÄÜÔö´ó¡¢¿ÉÄܼõС»ò²»±ä 8¡¢¹ÜµÀÖз¢ÉúË®»÷²¨Ê±£¬ÖÜÆÚÓëÏàµÄ¹ØÏµÎª£¨B £©
A£®1ÏàΪһÖÜÆÚ £Â£®2ÏàΪһÖÜÆÚ £Ã£®3ÏàΪһÖÜÆÚ £Ä£®4ÏàΪһÖÜÆÚ 9£®ÓÐѹ¹ÜÖи÷¶ÏÃæ²âѹ¹ÜˮͷÏßµ½¸Ã¶ÏÃæÖÐÐĵľàÀ뼴Ϊ¸Ã¶ÏÃæµÄ£¨ C £©
A£®ÖÐÐĵãѹǿˮͷ £Â£®ÖÐÐĵãλÖÃˮͷ £Ã£®²âѹ¹Üˮͷ £Ä£® ƽ¾ùÁ÷ËÙˮͷ 11£®Í¼Ê¾·â±ÕÈÝÆ÷ÄÚ£¬ÒºÃæÑ¹Ç¿p0Óëµ±µØ´óÆøÑ¹Ç¿paµÄ¹ØÏµÎª£¨ C £© A£®p0£¼pa £Â£®p0£½pa £Ã£®p0£¾pa £Ä£®ÎÞ·¨È·¶¨
£¨Ìâ11ͼ£©
12£®ÔÚÆ½ÃæÁ÷¶¯ÖУ¬Á½Á÷ÏßµÄÁ÷º¯ÊýÖ®²îµÈÓÚ£¨D £© A£®ÏÖÁ÷Ïß¼äµÄÇÐÓ¦Á¦²î £Â£®Á½Á÷Ï߾͵Äѹǿ²î £Ã£®Á½Á÷Ïß¼äµÄÁ÷ËÙ²î £Ä£®Á½Á÷Ïß¼äµÄµ¥¿íÁ÷Á¿ 13£®Äá¹ÅÀ×ÈÊÔÑéÖ÷ÒªÊÇÑо¿£¨ B£©
A£®²ãÁ÷ÓëÎÉÁ÷Á÷̬ £Â£®ÑسÌ×èÁ¦ÏµÊýµÄ±ä»¯¹æÂÉ £Ã£®½¥±äÁ÷Óë¼±±äÁ÷Á÷̬ £Ä£®¶¯Ë®Ñ¹Ç¿·Ö²¼¹æÂÉ 14£®¶¯Á¿ÐÞÕýϵÊýµÄ´óСȡ¾öÓÚ¹ýË®¶ÏÃæÉÏ£¨A £© A£®Á÷ËÙ·Ö²¼Çé¿ö £Â£®¶ÏÃæÆ½¾ùÁ÷ËٵĴóС £Ã£®×ÜˮͷµÄ´óС £Ä£®Æ½¾ùÄÜÁ¿Ëðʧ 15£®ÎÉÁ÷µÄ±ÚÃæÎª¹â»¬Ãæ»ò´Ö²ÚÃæ£¨A £©
A£®È¡¾öÓÚÕ³ÐԵײãÓë¾ø¶Ô´Ö²Ú¶ÈµÄÏà¶Ô´óС £Â£®È¡¾öÓÚÁ÷ËٵĴóС
£Ã£®È¡¾öÓÚ¹ÌÌå±ß½ç±¾ÉíÊǹ⻬µÄ»¹ÊÇ´Ö²ÚµÄ £Ä£®È¡¾öÓÚÕ³ÐԵײãµÄºñ¶È 16£®ÒºÌ嶯Á¦Õ³ÖÍϵÊý¦ÌµÄµ¥Î»ÊÇ£¨C £©
A£®m2/s B£®N/m2 C£®N.s/m2 D£®Pa/s
17£®Í¼Ê¾ÈÝÆ÷ÄÚˮλ±£³Ö²»±äʱ£¬Ñؽ¥Ëõ¹ÜÁ÷¶¯µÄË®Á÷Ϊ£¨ B £©
A£®ºã¶¨¾ùÔÈÁ÷ B£®ºã¶¨·Ç¾ùÔÈÁ÷ C£®·Çºã¶¨Á÷¾ùÔÈÁ÷ D£®·Çºã¶¨·Ç¾ùÔÈÁ÷
£¨Ìâ17ͼ£© £¨Ìâ18ͼ£©
18£®ÈçͼËùʾ£¬ÔÚˮƽ×ÀÃæÉÏ·ÅÖÃһʢˮÈÝÆ÷£¬Èô²»¼ÆÈÝÆ÷×ÔÖØ£¬ÊԱȽÏÈÝÆ÷µ×²¿ËùÊܾ²Ë®×ÜѹÁ¦PÓë×ÀÃæËùÊÜѹÁ¦FµÄ¹ØÏµÎª£¨ C £©
A£®P£¾F £Â£®P£½F £Ã£®P£¼F £Ä£®ÎÞ·¨È·¶¨
19£®µ±¹ÜµÀ³ß´ç¼°´Ö²Ú¶ÈÒ»¶¨Ê±£¬Ëæ×ÅÁ÷Á¿µÄ²»¶Ï¼Ó´ó£¬ÒºÁ÷×îÖձشﵽ£¨ D £© A£®²ãÁ÷ £Â£®ÎÉÁ÷¹â»¬Çø £Ã£®ÎÉÁ÷¹ý¶É´Ö²ÚÇø £Ä£®ÎÉÁ÷×èÁ¦Æ½·½Çø 20£®°´³¤¹Ü¼ÆµÄ²¢Áª¹ÜµÀ£¬¸÷Ö§¹ÜµÄ£¨C£©
A£®Á÷Á¿ÏàµÈ £Â£®ÇÐÓ¦Á¦ÏàµÈ £Ã£®ÑسÌˮͷËðʧÏàµÈ £Ä£® Ë®Á¦ÆÂ¶ÈÏàµÈ 1£®Æ½ÃæÁ÷³¡ÖÐÁ÷ÏßÓëµÈÊÆÏߵĹØÏµÎª£¨C £©
A£®Æ½ÐÐ £Â£®Ð±½» £Ã£®Õý½» £Ä£®²»È·¶¨
2£®ÔÚÒ»¸ö±ê×¼´óÆøÑ¹Ï£¬4¡æÒÔÉÏË®µÄÈÝÖØËæÎ¶ȵÄÉý¸ß¶ø£¨C £© A£®Ôö´ó £Â£®²»±ä £Ã£®¼õС £Ä£®²»Ò»¶¨
6
4£®ÒºÌåÖÐijµãµÄ¾ø¶ÔѹǿΪ4mË®Öùѹ£¬Ôò¸ÃµãµÄÕæ¿Õ¶ÈΪ£¨ D £© A£®4mË®Öùѹ £Â£®6mË®Öùѹ £Ã£®-4mË®Öùѹ £Ä£®-6mË®Öùѹ
5£®Ë®Á÷ÑØµÈÖ±¾¶Ë®Æ½·ÅÖõĹܵÀ×÷ºã¶¨Á÷¶¯£¬¹ÜÖáÏßÉÏÑØË®Á÷·½ÏòµÄ1¡¢2Á½µãµÄѹǿp1Óëp2µÄ¹ØÏµÎª£¨ A £©
A£®p1£¾p2 £Â£®p1£½p2 £Ã£®p1£¼p2 £Ä£®ÎÞ·¨È·¶¨
7£®Ä³Ë®ÏäÍâ½ÓÒ»½¥Ëõ¹Ü£¬ÈôË®Ïäˮλ±£³Ö²»±ä£¬ÑعÜÄÚÁ÷¶¯µÄË®Á÷Êô£¨B £©
A£®ºã¶¨¾ùÔÈÁ÷ £Â£®ºã¶¨·Ç¾ùÔÈÁ÷ £Ã£®·Çºã¶¨¾ùÔÈÁ÷ £Ä£®·Çºã¶¨·Ç¾ùÔÈÁ÷ 8£®ÖÃÓÚÈÝÆ÷ÄÚÖ»ÊÜÖØÁ¦×÷Óᢾ²Ö¹µÄ¡¢Á¬Í¨µÄ¡¢Í¬Ò»ÖÖÒºÌ壬µÈÑ¹ÃæÎª£¨ A £© A£®Ë®Æ½Ãæ £Â£®Ð±Æ½Ãæ £Ã£®ÐýתÅ×ÎïÃæ £Ä£®ÈÝÆ÷±ÚÃæ 9£®ÎÉÁ÷¹â»¬ÇøÖУ¬ÑسÌˮͷËðʧϵÊý¦Ë£¨ D £©
A£® ÓëÀ×ŵÊý¼°Ïà¶Ô´Ö²Ú¶ÈÓÐ¹Ø £Â£®½öÓëÏà¶Ô´Ö²Ú¶ÈÓÐ¹Ø £Ã£®½öÓëÁ÷ËÙÓÐ¹Ø £Ä£®½öÓëÀ×ŵÊýÓйØ
£¨Ìâ11ͼ£© £¨Ìâ12ͼ£©
12£®Í¼Ê¾·â±ÕÈÝÆ÷ÄÚ£¬ÒºÃæÑ¹Ç¿p0Óëµ±µØ´óÆøÑ¹Ç¿paµÄ¹ØÏµÎª£¨C £© A£®p0£¾pa £Â£®p0£½pa £Ã£®p0£¼pa £Ä£®ÎÞ·¨È·¶¨
13£®¹Ü¾¶Öð½¥Ôö´óµÄ¹ÜµÀÓÐѹÁ÷£¬Í¨¹ýµÄÁ÷Á¿ºã¶¨£¬Æä×ÜˮͷÏßÑØÁ÷¶¯·½Ïò£¨ D £© A£®Öð½¥Éý¸ß £Â£®Öð½¥Ï½µ £Ã£®Óë¹ÜÖáÆ½ÐÐ £Ä£®Ç°ÈýÖÖÇé¿ö¶¼¿ÉÄÜ 14£®À×ŵÊÔÑéÖ÷ÒªÊÇÑо¿£¨A £©
A£®²ãÁ÷ÓëÎÉÁ÷ £Â£®½¥±äÁ÷Óë¼±±äÁ÷ £Ã£®»ºÁ÷Óë¼±Á÷ £Ä£®¾ùÔÈÁ÷Óë·Ç¾ùÔÈÁ÷ 15£®Ä³ÊäË®¹ÜµÀ³¤¶ÈL=1000m£¬Èô·¢ÉúË®»÷ʱˮ»÷²¨ËÙa=1000m/s£¬ÔòË®»÷Ï೤Ϊ£¨B £©A£®1Ãë £Â£®2Ãë £Ã£®3Ãë £Ä£®4Ãë 16£®ÒºÌåÁ÷¶¯¹æÂÉ×ÜÊÇ£¨ D £©
A£®´Ó¸ß´¦Á÷ÏòµÍ´¦ B£®´Óѹǿ´ó´¦Á÷ÏòѹǿС´¦
C£®´ÓÁ÷ËÙ´ó´¦Á÷ÏòÁ÷ËÙС´¦ D£®´Óµ¥Î»»úеÄÜ´ó´¦Á÷Ïòµ¥Î»»úеÄÜС´¦
£¨Ìâ18ͼ£©
20£®ÓÉÓÚͻȻÆô±Õ·§ÃÅ£¬ÔÚÓÐѹ¹ÜÖвúÉúµÄË®»÷ѹǿ×îÑÏÖØÖ®´¦Î»ÓڹܵÀµÄ£¨ C £© A£®½ø¿Ú´¦ £Â£®Öе㴦 £Ã£®·§ÃÅ´¦ £Ä£®³ö¿Ú´¦ 1£®°´³¤¹Ü¼ÆµÄ²¢Áª¹ÜµÀ£¬¸÷Ö§¹ÜµÄ£¨D £©
A£®Á÷Á¿ÏàµÈ £Â£®ÇÐÓ¦Á¦ÏàµÈ £Ã£®Ë®Á¦ÆÂ¶ÈÏàµÈ £Ä£®ÑسÌˮͷËðʧÏàµÈ 2£®ÒºÌå²»ÄܳÐÊܵÄÁ¦ÊÇ£¨ C £©
A£®¼ôÇÐÁ¦ £Â£®Ñ¹Á¦ £Ã£®ÀÁ¦ £Ä£®±íÃæÕÅÁ¦ 3£®Ä³ÒºÁ÷µÄÁ÷ÏßÓë¼£ÏßÖØºÏ£¬Ôò¸ÃÒºÁ÷Ò»¶¨Îª£¨ A £©
A£®ºã¶¨Á÷ £Â£®·Çºã¶¨Á÷ £Ã£®ÓÐѹÁ÷ £Ä£®ÎÞѹÁ÷ 6£®ÒºÌåÖÐijµãµÄ¾ø¶ÔѹǿΪ96.04kN/m2(µ±µØ´óÆøÑ¹Îª98 kN/m2)£¬Ôò¸ÃµãµÄÕæ¿Õ¶ÈΪ£¨B A£®-1.96 kN/m2 £Â£®1.96 kN/m2 £Ã£®96.04 kN/m2 £Ä£®-96.04 kN/m2 7£®Ä³ÒºÁ÷Á÷ËÙ³¡ux=U£¬uy=0£¬uz=0£¬Ôò¸ÃÁ÷¶¯Îª£¨ A £© A£®ºã¶¨Æ½ÃæÎÞÎÐÁ÷ £Â£®·Çºã¶¨Æ½ÃæÎÞÎÐÁ÷
7
£©£Ã£®ºã¶¨Æ½ÃæÓÐÎÐÁ÷ £Ä£®·Çä¡¶¨Æ½ÃæÓÐÎÐÁ÷ 9£®Æ½ºâÒºÌåÖеĵÈÑ¹Ãæ±ØÎª£¨ D £©
A£®Ë®Æ½Ãæ £Â£®Ð±Æ½Ãæ £Ã£®ÐýתÅ×ÎïÃæ £Ä£®ÓëÖÊÁ¿Á¦Õý½»µÄÃæ 10£®ÄÜÖ±¹ÛÑÝʾ³öË®Á÷µÄ²ãÁ÷ÓëÎÉÁ÷Á÷̬µÄÊÔÑéÊÇ£¨ D £©
A£®ÆÕÀÊÌØÊÔÑé £Â£®Å£¶ÙÊÔÑé £Ã£®Äá¹ÅÀ×ÈÊÔÑé £Ä£®À×ŵÊÔÑé 11£®ºçÎü¹Ü¶¥²¿µÄÕæ¿ÕÖµpkÓ¦£¨ D £©
A£® pk£¼0 £Â£®pk£½10mË®Öùѹ £Ã£® pk£¼10Ë®Öùѹ £Ä£®pk£¾10Ë®Öùѹ 12£®ÔÚÎÉÁ÷µÄÕ³ÐԵײãÖУ¬ÆðÖ÷µ¼×÷ÓõÄÁ¦ÊÇ£¨ B £©
A£®¸½¼ÓÇÐÓ¦Á¦ £Â£®Õ³ÖÍÇÐÓ¦Á¦ £Ã£®ÖØÁ¦ £Ä£®¹ßÐÔÁ¦
13£®Í¼Ê¾³¨¿ÚÈÝÆ÷ÄÚ×°ÁËÁ½ÖÖÒºÌ壬ÊԱȽÏÁ½²âѹ¹ÜÖеÄÒºÃæ¸ß³ÌΪ£¨B £© A£®Z1£¼Z2 £Â£®Z1£½Z2 £Ã£®Z1£¾Z2 £Ä£®ÎÞ·¨È·¶¨
£¨Ìâ14ͼ£©
14£®À×ŵÊýÊDZíÕ÷£¨A £©
A£®¹ßÐÔÁ¦ÓëÕ³ÖÍÁ¦Ö®±È £Â£®¹ßÐÔÁ¦ÓëÖØÁ¦Ö®±È £Ã£®Ë®Ñ¹Á¦ÓëÕ³ÖÍÁ¦Ö®±È £Ä£®Õ³ÖÍÁ¦ÓëÖØÁ¦Ö®±È
15£®Ä³ÊäË®¹ÜµÀ³¤¶ÈL=1000m£¬Èô·¢ÉúË®»÷ʱˮ»÷²¨ËÙa=1000m/s£¬ÔòË®»÷ÖÜÆÚΪ£¨D £© A£®1Ãë £Â£®2Ãë £Ã£®3Ãë £Ä£®4Ãë 16£®ÒºÌåÕ³ÐÔϵÊýÖµËæÎ¶ȵÄÉý¸ß¶ø£¨ C£©
A£®Ôö´ó B£®²»±ä C£®¼õС D£®¿ÉÔö´ó£¬¿É¼õС
17£®ÈçͼËùʾ£¬Á½ÐÎ×´²»Í¬µÄʢˮÈÝÆ÷£¬Æäµ×̾̾»ýÏàµÈ£¬Ë®ÉîÏàµÈ£¬ÊԱȽÏÁ½ÈÝÆ÷µ×²¿ËùÊܾ²Ë®×ÜѹÁ¦PµÄÏà¶Ô´óСΪ£¨ B £© A£®P1£¾P2 £Â£®P1£½P2 £Ã£®P1£¼P2 £Ä£®ÎÞ·¨È·¶¨
£¨Ìâ17ͼ£© £¨Ìâ18ͼ£©
18£®Í¼Ê¾ÈÝÆ÷ÄÚˮλ±£³Ö²»±äʱ£¬Ë®Á÷ÑØ½¥Ëõ¹ÜÁ÷¶¯£¬¶ÏÃæÆ½¾ùÁ÷ËÙÑØ³Ì£¨ B £© A£®²»±ä B£®Ôö´ó C£®¼õС D£®²»Ò»¶¨
19£®Îª¼õÇá¹ÜµÀÖеÄË®»÷ѹǿ£¬²»ÄܲÉÈ¡µÄ´ëÊ©ÊÇ£¨ D £© A£®Ñ¡ÓÃÖ±¾¶½Ï´óµÄ¹ÜµÀ B£®Ñ¡Óùܱڽϱ¡µÄ¹ÜµÀ C£®¼õС¹ÜµÀ³¤¶È D£®¼õÉÙ·§Ãŵįô±Õʱ¼ä 20£®Ô²¹Ü²ãÁ÷µÄÁ÷ËÙ°´£¨ C £©
A£®¶ÔÊýÐÍ·Ö²¼ B£®Ö¸ÊýÐÍ·Ö²¼ C£®Å×ÎïÏßÐÍ·Ö²¼ D£®¾ØÐÍ·Ö²¼ 1£®Í¬Ò»ÖÖÒºÌåµÄÕ³ÖÍϵÊýÖµËæÎ¶ȵÄÉý¸ß¶ø£¨ C £© A£®Ôö´ó £Â£®²»±ä £Ã£®¼õС £Ä£®²»Ò»¶¨ 3£®Ô²¹ÜË®Á÷µÄÏÂÁÙ½çÀ×ŵÊýΪ£¨B £©
A£®200 £Â£®2000 £Ã£®4000 £Ä£®10000
4£®°´³¤¹Ü¼ÆµÄ´®Áª¹ÜµÀ£¬ÎÞÖ§Á÷·Ö³ö£¬Ôò¸÷¹Ü¶ÎµÄ£¨ A £©
A£®Á÷Á¿ÏàµÈ £Â£®ÇÐÓ¦Á¦ÏàµÈ £Ã£®Ë®Á¦ÆÂ¶ÈÏàµÈ £Ä£®ÑسÌˮͷËðʧÏàµÈ 5£®Í¼Ê¾ÈÝÆ÷¼°ÒºÌ壬ÔÚˮƽ·½ÏòÏòÓÒ×÷ÔȼÓËÙ¶ÈΪaµÄÔ˶¯£¬Æäµ¥Î»ÖÊÁ¿Á¦Îª£¨ B £©
8