ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿(8·Ö)ÈçÏÂͼËùʾ£¬Í¼1Êǽ̲ÄÖÐË®µç½âʵÑé×°Öã¬Í¼2ÊÇÎÒÊл¯Ñ§ÀÏʦÕë¶ÔͼlʵÑé×Ô´´ÐÂ×°Öá£
ͼ2µÄ´´ÐÂʵÑé²Ù×÷²½ÖèÈçÏ£º
ÏȽ«×°Öù̶¨ÔÚÌú¼Ų̈ÉÏ£¬ÏòÆäÖÐ×¢Èë250gÈÜÖÊÖÊÁ¿·ÖÊýΪ8£¥µÄÇâÑõ»¯ÄÆÈÜÒº×÷µç½âÒº£¬ÒÔÔöÇ¿ÈÜÒºµÄµ¼µçÐÔ£¬ÓÃ×¢ÉäÆ÷½«µç½âҺעÂúÒÆÒº¹Ü²¢µ¹Á¢ÔÚ×°ÖõÄÁ½¼«£¬Á¬½ÓºÃµ¼Ïߣ¬¿ªÆôÖ±Á÷µçÔ´ÖÁ16V£¬Ô¼4·ÖÖÓ£¬²úÉúÒ»¶¨Á¿µÄÆøÌåʱ£¬¹Ø±ÕµçÔ´£¬Ëæ¼´¼ìÑéÁ½¼«²úÉúµÄÆøÌå¡£
ÇëÄã½áºÏÉÏÊöͼʾºÍ²Ù×÷²½Ö裬»Ø´ðÏÂÁÐÎÊÌ⣺
(1)ÅäÖÆ250gÈÜÖÊÖÊÁ¿·ÖÊýΪ8£¥µÄÇâÑõ»¯ÄÆÈÜÒº£¬Ðè¹ÌÌåÑõÑõ»¯ÄÆ g
(2)ͼ2ÖÐÓëµçÔ´Õý¼«ÏàÁ¬½ÓµÄÒÆÒº¹ÜÖÐÊÕ¼¯µ½µÄÆøÌåÊÇ (Ìѧʽ)£¬¼ìÑé´ËÆøÌåµÄ·½·¨ÊÇ ¡£
(3)ÄãÈÏΪͼ2µÄ´´ÐÂʵÑéÏà¶ÔͼlÀ´Ëµ£¬Ëù¾ß±¸µÄÓŵã×éºÏÊÇ (Ìî×Öĸ±àºÅ)¡£
¢ÙʵÑéʱ£¬ÊÖ²»ÓÃÖ±½Ó½Ó´¥Óи¯Ê´ÐԵĵç½âÒº
¢ÚʹÓÃ×¢ÉäÕëÍ·×÷µç¼«£¬Á½¼«¾àÀë½ü£¬·´Ó¦¿ì
¢Û·Ç³£·½±ãÁ½¼«ÆøÌåµÄ¼ìÑé
¢ÜËùÓÃʵÑéÆ÷²Ä¶¼ÊÇÓüÒÀï³£¼ûµÄÎïÆ·¸ÄÖƶø³É
A.¢Ù¢Ú¢Û B£®¢Ù¢Û¢Ü C.¢Ú¢Û¢Ü D.¢Ù¢Ú¢Û¢Ü
¡¾´ð°¸¡¿£¨1£©20
£¨2£©O2 Óôø»ðÐǵÄľÌõÒƵ½ÓëµçÔ´Õý¼«ÏàÁ¬½ÓµÄÒÆÒº¹ÜµÄ¼â×ì¿ÚÉÏ·½£¬Ä¾Ìõ¸´È¼£¬Ö¤Ã÷ÊÇÑõÆø
£¨3£©B
¡¾½âÎö¡¿·ÖÎö£º£¨1£©ÈÜÖʵÄÖÊÁ¿µÈÓÚÈÜÒºµÄÖÊÁ¿ÓëÈÜÖÊÖÊÁ¿·ÖÊýµÄ³Ë»ý£®
£¨2£©µç½âˮʱÁ¬½ÓÕý¼«µÄµØ·½ÄÜÊÕ¼¯µ½ÑõÆø£¬ÑõÆøÒ»°ãʹÓôø»ðÐǵÄľÌõ¼ìÑ飮
£¨3£©½áºÏ³£¹æµÄʵÑé¼°ËùÌṩµÄÐÅÏ¢Ö»ÒªºÏÀí¾ÍÊÇÕýÈ·µÄ´ð°¸£®
½â£º£¨1£©ÈÜÖʵÄÖÊÁ¿µÈÓÚÈÜÒºµÄÖÊÁ¿ÓëÈÜÖÊÖÊÁ¿·ÖÊýµÄ³Ë»ý£¬Òò´ËÇâÑõ»¯ÄƵÄÖÊÁ¿=250g¡Á8%=20g£®
£¨2£©µç½âˮʱÓëÕý¼«ÏàÁ¬µÄ²£Á§¹ÜÄÜÊÕ¼¯µ½ÑõÆø£¬ÑõÆøÒ»°ãʹÓôø»ðÐǵÄľÌõ¼ìÑ飬²¢ÄÜʹ´ø»ðÐǵÄľÌõ¸´È¼£®
£¨3£©½áºÏ³£¹æµÄʵÑé¼°ËùÌṩµÄÐÅÏ¢Ö»ÒªºÏÀí¾ÍÊÇÕýÈ·µÄ´ð°¸£¬Ëĸö˵·¨ÖÐÖ»ÓÐʹÓÃ×¢ÉäÕëÍ·×÷µç¼«£¬Á½¼«¾àÀë½ü£¬·´Ó¦¿ìµÄ˵·¨²»ºÏÀí£®
¹Ê´ð°¸Îª£º£¨1£©20£¨2£©O2Óôø»ðÐǵÄľÌõÒƵ½ÓëµçÔ´Õý¼«ÏàÁ¬½ÓµÄÒÆÒº¹ÜµÄ¼â×ì¿ÚÉÏ·½£¬Ä¾Ìõ¸´È¼£¬Ö¤Ã÷ÊÇÑõÆø
£¨3£©B