±à¼£ºsx_songyn
2014-06-24
Õâƪ¹ØÓÚ2014ÄêËս̰æ³õ¶þÄ꼶Êýѧ¸¨µ¼ÊÔÌ⣬ÊǾ«Æ·Ñ§Ï°ÍøÌصØΪ´ó¼ÒÕûÀíµÄ£¬Ï£Íû¶Ô´ó¼ÒÓÐËù°ïÖú£¡
×ÐϸËãÒ»Ëã(±¾Ìâ¹²4СÌ⣬ÿСÌâ5·Ö£¬¹²20·Ö)
19.¼ÆË㣺
(1) ; (2) ;
20.½â·½³Ì
(1) (2)
21.(8·Ö)Ëæ×ÅÈËÃǽÚÄÜÒâʶµÄÔöÇ¿£¬½ÚÄܲúÆ·µÄÏúÊÛÁ¿ÖðÄêÔö¼Ó¡£Ä³É̳¡¸ßЧ½ÚÄܵƵÄÄêÏúÊÛÁ¿2009ÄêΪ5ÍòÖ»£¬Ô¤¼Æ2011ÄêÄêÏúÊÛÁ¿½«´ïµ½7.2ÍòÖ»¡£Çó¸ÃÉ̳¡2009Äêµ½2011Äê¸ßЧ½ÚÄܵÆÄêÏúÊÛÁ¿µÄƽ¾ùÔö³¤ÂÊ¡£
22.(8·Ö)ÒÑÖª µÄÁ½±ß ¡¢ µÄ³¤·Ö±ðÊǹØÓÚxµÄÒ»Ôª¶þ´Î·½³Ì µÄÁ½¸öʵÊý¸ù£¬µÚÈý±ß µÄ³¤Îª5¡£
(1)µ± ΪºÎֵʱ£¬ ÊÇÖ±½ÇÈý½ÇÐÎ;
(2)µ± ΪºÎֵʱ£¬ ÊǵÈÑüÈý½ÇÐΣ¬²¢Çó³ö µÄÖܳ¤¡£
24.(±¾Ð¡Ìâ9·Ö)Èçͼ£¬ËıßÐÎABCDÊǾØÐΣ¬∠EDC=∠CAB£¬∠DEC=90°¡£
(1)ÇóÖ¤£ºAC¡ÎDE;(2)¹ýµãB×÷BF⊥AC£¬Á¬½áEF£¬ÊÔÅбðËıßÐÎBCEFµÄÐÎ×´£¬²¢ËµÃ÷ÀíÓÉ¡£
25.(±¾Ð¡Ìâ9·Ö)ƽÐÐËıßÐÎABCDÖУ¬ £¬µã µÄ×ø±êÊÇ £¬ÒÔµã Ϊ¶¥µãµÄÅ×ÎïÏß ¾¹ý ÖáÉϵĵã . (1)Çóµã µÄ×ø±ê.
(2)ÈôÅ×ÎïÏßÏòÉÏƽÒƺóÇ¡ºÃ¾¹ýµã £¬ÇóƽÒƺóÅ×ÎïÏߵĽâÎöʽ.
26. (±¾Ð¡Ìâ10·Ö)Èçͼ1ÊǼס¢ÒÒÁ½¸öÔ²ÖùÐÎË®²ÛµÄÖá½ØÃæʾÒâͼ£¬ÒÒ²ÛÖÐÓÐÒ»Ô²ÖùÐÎÌú¿éÁ¢·ÅÆäÖÐ(Ô²ÖùÐÎÌú¿éµÄϵ×ÃæÍêÈ«ÂäÔÚÒÒ²Ûµ×ÃæÉÏ).ÏÖ½«¼×²ÛÖеÄË®ÔÈËÙ×¢ÈËÒÒ²Û£¬¼×¡¢ÒÒÁ½¸öË®²ÛÖÐË®µÄÉî¶Èy(ÀåÃ×>Óëעˮʱ¼äx(·ÖÖÓ)Ö®¼äµÄ¹ØϵÈçͼ2Ëùʾ.¸ù¾ÝͼÏóÌṩµÄÐÅÏ¢£¬½â´ðÏÂÁÐÎÊÌ⣺
(1)ͼ2ÖÐÕÛÏßABC±íʾ ²ÛÖÐË®µÄÉî¶ÈÓëעˮʱ¼äÖ®¼äµÄ¹Øϵ£¬Ï߶ÎDE±íʾ ²ÛÖÐË®µÄÉî¶ÈÓëעˮʱ¼äÖ®¼äµÄ¹Øϵ(ÒÔÉÏÁ½¿ÕÑ¡‰“¼×”»ò“ÒÒ”)£¬µãBµÄ×Ý×ø±ê±íʾµÄʵ¼ÊÒâÒå.
(2)עˮ¶à³¤Ê±¼äʱ£¬¼×¡¢ÒÒÁ½¸öË®²ÛÖÐË®µÄÉî¶ÈÏàͬ?
(3)ÈôÒÒ²Ûµ×Ãæ»ýΪ36ƽ·½ÀåÃ×(±Úºñ²»¼Æ)£¬ÇóÒÒ²ÛÖÐÌú¿éµÄÌå»ý;
(4)ÈôÒÒ²ÛÖÐÌú¿éµÄÌå»ýΪ112Á¢·½ÀåÃ×£¬Çó¼×²Ûµ×Ãæ»ý(±Úºñ²»¼Æ).(Ö±½Óд³É½á¹û)
Íê³ÉÁËСѧ½×¶ÎµÄѧϰ£¬½øÈë½ôÕŵijõÖн׶Ρ£ÕâƪÊǾ«Æ·Ñ§Ï°ÍøÌصØΪ´ó¼ÒÕûÀíµÄ£¬»¶ÓÔĶÁ!
±êÇ©£º³õ¶þÊýѧ¸¨µ¼
¾«Æ·Ñ§Ï°Íø(51edu.com)ÔÚ½¨Éè¹ý³ÌÖÐÒýÓÃÁË»¥ÁªÍøÉϵÄһЩÐÅÏ¢×ÊÔ´²¢¶ÔÓÐÃ÷È·À´Ô´µÄÐÅÏ¢×¢Ã÷Á˳ö´¦£¬°æȨ¹éÔ×÷Õß¼°ÔÍøÕ¾ËùÓУ¬Èç¹ûÄú¶Ô±¾Õ¾ÐÅÏ¢×ÊÔ´°æȨµÄ¹éÊôÎÊÌâ´æÓÐÒìÒ飬ÇëÄúÖÂÐÅqinquan#51edu.com(½«#»»³É@)£¬ÎÒÃÇ»áÁ¢¼´×ö³ö´ð¸´²¢¼°Ê±½â¾ö¡£Èç¹ûÄúÈÏΪ±¾Õ¾ÓÐÇÖ·¸ÄúȨÒæµÄÐÐΪ£¬Çë֪ͨÎÒÃÇ£¬ÎÒÃÇÒ»¶¨¸ù¾Ýʵ¼ÊÇé¿ö¼°Ê±´¦Àí¡£