ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Èçͼ¼×£¬ÔÚ̽¾¿¡°²»Í¬ÎïÖÊÎüÈÈÄÜÁ¦¡±µÄʵÑéÖУº
£¨1£©Ä³Í¬Ñ§ÔÚÁ½¸öÏàͬµÄÉÕ±ÖмÓÈë³õÎÂÏàͬ¡¢ÒºÃæµÈ¸ßµÄË®ºÍúÓÍÈçͼËùʾ¡£Í¬×éµÄͬѧÁ¢¼´Ö¸³öÁËÆäÖеÄÎÊÌ⣬ÄãÈÏΪÎÊÌâµÄËùÔÚÊÇ_____________¡£
ʵÑéÖÐÑ¡ÓÃÏàͬµç¼ÓÈÈÆ÷µÄÄ¿µÄÊÇ£ºÊ¹Ë®ºÍúÓÍÔÚÏàͬʱ¼äÄÚ__________¡£
£¨2£©¾ÀÕý´íÎóºó½øÐÐʵÑéµÃ³öÁËË®ºÍúÓÍζÈËæʱ¼ä±ä»¯ÈçͼÒÒËùʾ¡£
¢Ù¸ù¾Ýͼ¼×¿ÉÅжϳöaÎïÖÊÊÇ___¡£
¢Ú¸ù¾ÝͼÒÒ¿ÉÅжϳö___ÎüÈÈÄÜÁ¦Ç¿£¬Ôò¶¬¼¾È¡Å¯Ó¦Ñ¡ÓÃÎïÖÊ______£¨¶¼Ñ¡Ìîa»òb£©
£¨3£©¸øÖÊÁ¿Í¬Îª100gµÄÒºÌå¼×ºÍË®¼ÓÈÈ£¬ËüÃǵÄζÈËæʱ¼äµÄ±ä»¯¹ØϵÈçÓÒͼËùʾ£¬¾Ý´ËÅжÏÒºÌå¼×µÄ±ÈÈÈÈÝΪ £¨_______£©
A£®2.1¡Á103 J/£¨kg¡¤¡æ£© B£®4.2¡Á103J/£¨kg¡¤¡æ£©
C£®2.52¡Á103 J/£¨kg¡¤¡æ£© D£®Ìõ¼þ²»×㣬²»ÄܼÆËã
¡¾´ð°¸¡¿ ûÓпØÖÆË®ºÍúÓ͵ÄÖÊÁ¿ÏàµÈ ÎüÊÕµÄÈÈÁ¿ÏàµÈ Ë® Ë® a A
¡¾½âÎö¡¿(1)ʵÑé¿ÎÌâÊÇ̽¾¿²»Í¬ÎïÖʵÄÎüÈÈÄÜÁ¦£¬ËùÒÔÒª±£³ÖË®ºÍúÓ͵ÄÖÊÁ¿Ïàͬ£¬¶øÌâÄ¿ÖÐÊÇÔÚÁ½¸öÏàͬµÄÉÕ±ÖмÓÈëÒºÃæµÈ¸ßµÄË®ºÍúÓÍ£¬Ã»ÓпØÖÆË®ºÍúÓ͵ÄÖÊÁ¿ÏàµÈ£»
Ñ¡ÓÃÏàͬµÄµç¼ÓÈÈÆ÷Ä¿µÄÊÇ£ºÊ¹Ë®ºÍúÓÍÔÚÏàͬʱ¼äÄÚÎüÊÕÏàͬµÄÈÈÁ¿£»(2)Ë®ºÍúÓÍÏà±È£¬Ë®µÄ±ÈÈÈÈݽϴó£¬Í¬ÑùÊÜÈȵÄÇé¿öÏ£¬Î¶ȱ仯½ÏÂý£¬ÓÐÒÒͼ֪£¬aΪˮ£¬bΪúÓÍ£»ÈôÖÊÁ¿ÏàͬµÄaºÍb Éý¸ßÏàͬµÄζȣ¬aÎüÊÕµÄÈÈÁ¿¸ü¶à£¬aµÄÎüÈÈÄÜÁ¦¸üÇ¿£»ËùÒÔ¶¬¼¾È¡Å¯Ó¦Ñ¡ÓõÄÎïÖÊÊÇa;(3)ÓÉͼÏñ¿ÉÖª£ºÓÃÁ½¸öÏàͬµÄµçÈÈÆ÷¸øÖÊÁ¿ÏàͬµÄÎïÖʼ׺ÍË®¼ÓÈÈ£¬Éý¸ßÏàͬζÈʱÎüÊÕµÄÈÈÁ¿¹ØϵΪQË®Îü2Q¼×Îü£¬ÓÉQc£¬ËùÒÔcË®2c¼×£¬ÒòΪcË®4.2¡Á103J/£¨kg¡æ£¬ËùÒÔc¼×2.1¡Á103 J/£¨kg¡¤¡æ£©¹ÊÑ¡A.