ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÏÂÃæ×ó±ßÊý¾ÝÊÇÈ¡×ÔijÕý³£ÈËÔÄòºÍÄòÒºµÄÑùÆ·£¬ÈçͼÊÇÉöµ¥Î»½á¹¹Ä£Ê½Í¼£®Çë¸ù¾Ý±í¸ñºÍʾÒâͼ»Ø´ðÎÊÌ⣮
ÎïÖÊ | ÑùÆ·A£¨g/L£© | ÑùÆ·B£¨g/L£© |
ÆÏÌÑÌÇ ÎÞ»úÑÎ µ°°×ÖÊ ÄòËØ ÑªÏ¸°û | 0 16.0 0 2.0 ÎÞ | 1.0 7.5 0 0.3 ÎÞ |
£¨1£©¸ù¾Ý×ó±ß±íÄÚÊý¾Ý·ÖÎö£¬ÔÄòÊÇ________£¨Ìî¡°ÑùÆ·A¡±»ò¡°ÑùÆ·B¡±£©£¬´æÔÚÓÚͼÖеÄ[________]ÉöСÄÒÇ»ÖУ®
£¨2£©ÄòÒºÊÇÔÄò¾ÓÒͼÖÐ[________]ÉöС¹ÜµÄÖØÎüÊÕºóÐγɵģ¬ÖØÎüÊÕµÄÎïÖÊ°üÀ¨È«²¿µÄ________£¬´ó²¿·ÖµÄ________ºÍ²¿·ÖÎÞ»úÎͼÖÐ[4]¡¢[5]¡¢[6]ºÏ³ÆΪ________£®
£¨3£©Èô[5]ÉöСÇòÓÐÑ×Ö¢£¬ÄòÒºÖлá³öÏÖѪϸ°ûºÍ´ó·Ö×Ó________£»Èô________·ÖÃÚµÄÒȵºËز»×㣬ÄòÒºÖлá³öÏÖ________£®
¡¾´ð°¸¡¿ ÑùÆ·B 4 6 ÆÏÌÑÌÇ Ë® Éöµ¥Î» µ°°×ÖÊ Òȵº ÆÏÌÑÌÇ
¡¾½âÎö¡¿¹Ûͼ¿ÉÖª£º1ÊÇÈëÇòС¶¯Âö£¬2ÊdzöÇòС¶¯Âö£¬3ÊÇÉöС¹ÜÖÜΧëϸѪ¹Ü£¬4ÊÇÉöСÄÒ£¬5ÊÇÉöСÇò£¬6ÊÇÉöС¹Ü¡£
£¨1£©ÑùÆ·BÖк¬ÓÐÆÏÌÑÌÇ£¬ÊÇÔÄò¡£µ±ÑªÒºÁ÷¾5ÉöСÇòʱ£¬³ýÁËѪϸ°ûºÍ´ó·Ö×ӵĵ°°×ÖÊÍ⣬ÆäËûµÄÈçË®¡¢ÎÞ»úÑΡ¢ÄòËØ¡¢ÆÏÌÑÌÇ»áÂ˹ýµ½4ÉöСÄÒÇ»ÐγÉÔÄò¡£
£¨2£©µ±ÔÄòÁ÷¾ÉöС¹Üʱ£¬ÔÄòÖд󲿷ֵÄË®¡¢ÎÞ»úÑΡ¢ºÍÈ«²¿µÄÆÏÌÑÌǵȱ»ÎüÊÕ»ØѪҺ£¬¶øʣϵÄÈçÄòËØ¡¢Ò»²¿·ÖÎÞ»úÑκÍË®µÈÓÉÉöС¹ÜÁ÷³öÐγÉÄòÒº¡£Òò´ËÄòÒºÊÇÔÄò¾ÓÒͼÖÐ[6]ÉöС¹ÜµÄÖØÎüÊÕºóÐγɵģ¬ÖØÎüÊÕµÄÎïÖÊ°üÀ¨È«²¿µÄÆÏÌÑÌÇ£¬´ó²¿·ÖµÄË®ºÍ²¿·ÖÎÞ»úÑΡ£Éöµ¥Î»ÊÇÉöÔà½á¹¹ºÍ¹¦ÄܵĻù±¾µ¥Î»£¬ÓÉ[6]ÉöС¹ÜºÍÉöСÌå×é³É£¬ÉöСÌåÓÉ[5]ÉöСÇòºÍ[4]ÉöСÄÒ×é³É¡£Òò´ËͼÖÐ[4][5][6]ºÏ³ÆΪÉöµ¥Î»¡£
£¨3£©Èç¹ûÉöСÇòÓÐÑ×Ö¢£¬»áµ¼ÖÂÆäͨ͸ÐÔ¼Ó´ó£¬ÔÏȲ»¹ýÂ˹ýµÄѪϸ°ûÓë´ó·Ö×Óµ°°×ÖʾÍÓпÉÒÔ±»¹ýÂ˵½ÉöСÄÒÇ»ÖУ¬È»ºóËæÄòÒºÅųöÌåÍ⣬µ¼ÖÂÄòÒºÖгöÏÖ´ó·Ö×Óµ°°×ÖʺÍѪϸ°û£»Òȵº·ÖÃÚµÄÒȵºËØ£¬Æä×÷ÓÃÊǽµµÍѪÌǵÄŨ¶È£¬Ê¹ÑªÒºÖÐѪÌǵÄŨ¶Èά³ÖÔÚ0.1%£¬Èç¹ûÒȵºËØ·ÖÃÚ²»×ãµÄ»°£¬ÑªÌǵÄŨ¶È³¬¹ý0.16%£¬ÉöС¹Ü¾Í²»ÄÜ°ÑÔÄòÖеÄÈ«²¿ÆÏÌÑÌÇÖØÐÂÎüÊÕ»ØѪҺ£¬Òò´Ëµ¼ÖÂÄòÖгöÏÖÆÏÌÑÌÇ£¬Ë׳ơ°ÌÇÄò¡±¡£
¡¾ÌâÄ¿¡¿Ñо¿·¢ÏÖ£¬±±·½µØÇøÈÕ¹âÎÂÊÒÔÔÅà¹ý³ÌÖУ¬Óà LED µÆÈ˹¤²¹¹â¿ÉÃÖ²¹×ÔÈ»¹âÕÕ²»×ã¡£¿ÆÑÐÈËÔ±ÀûÓÃÎÂÊÒÔÔÅàµÄ·¬ÇѽøÐÐÁË̽¾¿¡£Çë»Ø´ðÎÊÌ⣺
£¨1£©¿ÆÑÐÈËÔ±·¢ÏÖ£¬ºì¹âºÍÀ¶¹â¶¼Ó°Ïì·¬ÇѵĹâºÏ×÷Óá£ÎªÌ½¾¿²¹¹âÊÇ·ñÔö²úÒÔ¼°²¹¹âʱºÏÀíµÄºìÀ¶¹â±ÈÀý£¬¿ÆÑÐÈËÔ±½øÐÐʵÑ飬´¦Àí¼°½á¹ûÈçÏÂͼËùʾ¡£±¾ÊµÑéÖУ¬¶ÔÕÕ×é·¬ÇѵĴ¦ÀíÊÇ_____________¡£
£¨2£©²¹¹âʵÑé½øÐÐÒ»¶Îʱ¼äºó£¬Ñо¿ÈËԱѡÖêÈ¡ÑùÊÕ¼¯³ÉÊì¹ûʵ£¬²â¶¨¹ûʵÏÊÖØ£¬½á¹ûÈçÉÏͼËùʾ¡£¾Ýͼ¿ÉÖª£¬a¡¢b¡¢c Èý×é¹ûʵÏÊÖØ_____________¶ÔÕÕ×飬˵Ã÷²¹¹âÄܹ»Ôö²ú£»ºì¹âÓëÀ¶¹â±ÈÀýΪ_____________ʱ£¬²¹¹â´¦Àí¶ÔÌá¸ß·¬ÇѲúÁ¿µÄЧ¹û×î¼Ñ¡£
£¨3£©Ñо¿ÈËÔ±½øÒ»²½ÊÕ¼¯¸÷´¦Àí×éÖ²ÖêµØÉϲ¿·Ö£¬½øÐкæ¸É´¦Àí£¬µÃµ½Ï±íËùʾ½á¹û¡£
×é±ð | ¸ÉÖØ£¨¿Ë/Ö꣩ | |||
¾¥ | Ò¶ | ¹ûʵ | ||
¶ÔÕÕ×é | 44.8 | 97.3 | 213.2 | |
ʵÑé×é | a ×é | 50.3 | 118.8 | 279.3 |
b ×é | 49.3 | 118.6 | 295.4 | |
c ×é | 51.5 | 114.7 | 290.1 |
¢Ù¾Ý±í·ÖÎö£¬b ×é¾¥¡¢Ò¶ºÍ¹ûʵµÄ¸ÉÖØÖ®ºÍ×î¸ß£¬±íÃ÷¸Ã×éÖ²Öêͨ¹ý¹âºÏ×÷ÓûýÀÛµÄ________________________×î¶à£¬ÑéÖ¤Á˹ûʵÏÊÖزⶨ½á¹ûµÄÓÐЧÐÔ¡£
¢Ú¾Ý±í·ÖÎö£¬¾¥¡¢Ò¶ºÍ¹ûʵÈý¸öÆ÷¹ÙÖУ¬¸ÉÖØÔö·ù×î´óµÄÊÇ_________________¡£Õâ±íÃ÷¹âºÏ×÷ÓõIJúÎï¿Éͨ¹ýÖ²ÎïÌå¸÷´¦µÄ_________________×éÖ¯£¬¸ü¶àµØ___________________________µ½¸ÃÆ÷¹ÙÖУ¬ÕâÓÐÀûÓÚÖ²Îï·±Ö³ºó´ú¡£