ÏÂÃæÊÇijͬѧÔÚʵÑéÖÐÓöµ½µÄһЩÎÊÌâ,ÆäÖÐÕýÈ·µÄ²Ù×÷»òÏë·¨ÊÇ


  1. A.
    ÔÚÖ½²ãÎö·¨·ÖÀëÒ¶ÂÌÌåÖÐÉ«ËصÄʵÑé½á¹ûÖÐ,À¶ÂÌÉ«µÄÉ«ËØ´ø×î¿í£¬¿ÉÅжÏΪҶÂÌËØa ÔÚ²ãÎöÒºÖÐÈܽâ¶È×î¸ß
  2. B.
    ̽¾¿Î¶ȶÔø»îÐÔµÄÓ°Ï죬¿ÉÑ¡Ôñ¹ýÑõ»¯ÇâÈÜÒº×÷Ϊµ×Îïr
  3. C.
    ½«Ä³Ï¸°ûÄÚµÄI¶ÔͬԴȾɫÌåÉϵÄDNAÓÃ3H±ê¼Çºó£¬ÈÃÆäÔÚ²»º¬·ÅÉäÐԵĻ·¾³ÖÐÁ¬Ðø ½øÐÐ2´ÎÓÐË¿·ÖÁÑ£¬²úÉúµÄ×Óϸ°ûÖоßÓзÅÉäÐÔµÄϸ°ûÓÐ1¸ö
  4. D.
    ÔÚT2ÊɾúÌåÇÖȾ´ó³¦¸Ë¾úµÄʵÑéÖÐ,º¬35SµÄʵÑé×éÈô²»½Á°è¡¢ÀëÐÄ,ÔòÉÏœ[Òº·ÅÉäÐÔ µÍ,³ÁµíÎï·ÅÉäÐÔó{;º¬32PµÄʵÑé×éÈô±£ÎÂʱ¼ä¹ý³¤£¬½Á°è¡¢ÀëÐĺó£¬ÔòÉÏœ[Òº·ÅÉäÐÔó{£¬ ³ÁµíÎï·ÅÉäÐÔµÍ
D
ÊÔÌâ·ÖÎö£º
A.ÔÚÖ½²ãÎö·¨·ÖÀëÒ¶ÂÌÌåÖÐÉ«ËصÄʵÑé½á¹ûÖÐ,À¶ÂÌÉ«µÄÉ«ËØ´ø×î¿í£¬¿ÉÅжÏÒ¶ÂÌËØa º¬Á¿×î¶à£»³È»ÆÉ«µÄÉ«ËØ´ø×îÉÏ·½£¬¿ÉÅжϺúÂܲ·ËØÈܽâ¶È×î¸ß£»´íÎó¡£
B. Ì½¾¿Î¶ȶÔø»îÐÔµÄÓ°Ï죬²»ÄÜÑ¡Ôñ¹ýÑõ»¯ÇâÈÜÒº×÷Ϊµ×ÎÒòΪζÈÓ°Ïì¹ýÑõ»¯ÇâµÄ·Ö½â£»´íÎó¡£
C. ½«Ä³Ï¸°ûÄÚµÄI¶ÔͬԴȾɫÌåÉϵÄDNAÓÃ3H±ê¼Çºó£¬ÈÃÆäÔÚ²»º¬·ÅÉäÐԵĻ·¾³ÖÐÁ¬Ðø½øÐÐ2´ÎÓÐË¿·ÖÁÑ£¬È¾É«ÌåÊÇ°ë±£Áô¸´ÖƵģ¬¸Ãϸ°ûÔ­ÏȵÄ2ÌõȾɫÌåµÄÿÌõDNAµ¥Á´¶¼º¬3H£¬½øÐеÚÒ»´ÎÓÐË¿·ÖÁѺó£¬Ã¿¸öϸ°ûµÄÿÌõȾɫÌåµÄDNAµ¥Á´¶¼ÊÇÒ»Ìõ3HÒ»Ìõ2H¡£µÚÒ»´Î·ÖÁÑÿ¸öϸ°ûº¬3HȾɫÌåµÄÊýĿΪ2¡£µÚ¶þ´Î·ÖÁÑ£¬·ÖÁѵÄʱºòȾɫÌåÊÇËæ»úµ½¸÷¸öϸ°ûÖÐÈ¥µÄ£¬ËùÒÔ·ÖÁѺóº¬3Hϸ°ûȾɫÌåÊýµÄ2¡¢1¡¢0£»´íÎó¡£
D.ÔÚT2ÊɾúÌåÇÖȾ´ó³¦¸Ë¾úµÄʵÑéÖÐ,º¬35SµÄʵÑé×éÈô²»½Á°è¡¢ÀëÐÄ,µ°°×ÖÊÍâ¿ÇºÍϸ¾úûÓзÖÀ룬ÔòÉÏœ[Òº·ÅÉäÐÔµÍ,³ÁµíÎï·ÅÉäÐÔó{;º¬32PµÄʵÑé×éÈô±£ÎÂʱ¼ä¹ý³¤£¬½Á°è¡¢ÀëÐĺó£¬Ôò×Ó´úÊɾúÌåÊͷųöÀ´£¬ÉÏœ[Òº·ÅÉäÐÔó{£¬ ³ÁµíÎï·ÅÉäÐԵͣ»ÕýÈ·¡£
¿¼µã£ºÖ½²ãÎö·¨·ÖÀëÒ¶ÂÌÌåÖÐÉ«ËØ£¬Ì½¾¿Î¶ȶÔø»îÐÔµÄÓ°Ï죬°ë±£Áô¸´ÖÆ£¬ÊɾúÌåÇÖȾ´ó³¦¸Ë¾úµÄʵÑé¡£
µãÆÀ£º±¾Ìâ×ÛºÏÐÔÇ¿£¬Í»³öÀí½â¡¢·ÖÎöºÍÍÆÀíÄÜÁ¦µÄÅàÑø¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2012-2013ѧÄêÕã½­Ê¡¶«ÑôÊÐÄÏÂí¸ß¼¶ÖÐѧ¸ß¶þµÚÒ»´ÎÔ¿¼ÉúÎïÊÔ¾í£¨´ø½âÎö£© ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÏÂÃæÊÇijͬѧÔÚʵÑéÖÐÓöµ½µÄһЩÎÊÌâ,ÆäÖÐÕýÈ·µÄ²Ù×÷»òÏë·¨ÊÇ

A£®ÔÚÖ½²ãÎö·¨·ÖÀëÒ¶ÂÌÌåÖÐÉ«ËصÄʵÑé½á¹ûÖÐ,À¶ÂÌÉ«µÄÉ«ËØ´ø×î¿í£¬¿ÉÅжÏΪҶÂÌËØa ÔÚ²ãÎöÒºÖÐÈܽâ¶È×î¸ß
B£®Ì½¾¿Î¶ȶÔø»îÐÔµÄÓ°Ï죬¿ÉÑ¡Ôñ¹ýÑõ»¯ÇâÈÜÒº×÷Ϊµ×Îïr
C£®½«Ä³Ï¸°ûÄÚµÄI¶ÔͬԴȾɫÌåÉϵÄDNAÓÃ3H±ê¼Çºó£¬ÈÃÆäÔÚ²»º¬·ÅÉäÐԵĻ·¾³ÖÐÁ¬Ðø ½øÐÐ2´ÎÓÐË¿·ÖÁÑ£¬²úÉúµÄ×Óϸ°ûÖоßÓзÅÉäÐÔµÄϸ°ûÓÐ1¸ö
D£®ÔÚT2ÊɾúÌåÇÖȾ´ó³¦¸Ë¾úµÄʵÑéÖÐ,º¬35SµÄʵÑé×éÈô²»½Á°è¡¢ÀëÐÄ,ÔòÉÏœ[Òº·ÅÉäÐÔ µÍ,³ÁµíÎï·ÅÉäÐÔó{;º¬32PµÄʵÑé×éÈô±£ÎÂʱ¼ä¹ý³¤£¬½Á°è¡¢ÀëÐĺó£¬ÔòÉÏœ[Òº·ÅÉäÐÔó{£¬ ³ÁµíÎï·ÅÉäÐÔµÍ

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2011¡ª2012ѧÄêÁÉÄþÊ¡ÉòÑô¶þÖи߶þÉÏѧÆÚ10ÔÂÔ¿¼ÉúÎïÊÔ¾í ÌâÐÍ£º×ÛºÏÌâ


£¨8·Ö£©ÏÂÃæÊÇijͬѧÔÚÍê³É¡°¹Û²ìÑó´Ð¸ù¼â·ÖÉúÇøϸ°ûÓÐË¿·ÖÁÑʵÑ顱ºóµÄʵÑ鱨¸æµÄ²¿·ÖÄÚÈÝ£º£¨Ò»£©½âÀ룺¼ôÈ¡Ñó´Ð¸ù¼â5cm£¬·ÅÈëÊ¢ÓÐÑÎËáºÍ¾Æ¾«»ìºÏÒº£¨1:1£©µÄ²£Á§ÃóÖУ¬ÔÚÊÒÎÂϽâÀë3¡«5min¡£
£¨¶þ£©È¾É«£º°Ñ¸ù¼â·ÅÔÚÊ¢ÓÐÊÊÒËŨ¶ÈµÄÁúµ¨×ÏÈÜÒºµÄ²£Á§ÃóÖÐȾɫ3¡«5 min¡£
£¨Èý£©Æ¯Ï´£º½«¸ù¼â·ÅÈëÊ¢ÓÐÇåË®µÄ²£Á§ÃóÖÐƯϴԼ10min¡£
£¨ËÄ£©ÖÆƬ£º½«¸ù¼â·ÅÔÚÔز£Æ¬ÉÏ£¬¼ÓÒ»µÎÇåË®£¬²¢ÓÃÄ÷×ӰѸù¼âŪË飬¸ÇÉÏÔز£Æ¬£¬ÓÃÄ´Ö¸ÇáÇᰴѹÔز£Æ¬
(1)Çë¸ÄÕý±¨¸æÖеÄ3´¦´íÎó
___________________________________________________________________
___________________________________________________________________
___________________________________________________________________
(2)ÓÐЩÒòËØ»áÓ°Ïìϸ°ûÖÜÆÚ¸÷ʱÆڵij¤¶Ì£¬ÊµÑé¹ý³ÌÖÐÒ²»á²úÉúһЩÎó²î£¬Òò¶ø¶ÔÕû¸öʵÑé½á¹û¿ÉÄܲúÉúÓ°ÏìµÄÓÐ___________¡£¢ÙÈ¡²Äʱ¼ä  ¢Ú¸ù¼âÅàÑøζȠ ¢Û½âÀëʱ¼ä³¤¶Ì  ¢Ü¼ÆÊýµÄϸ°ûÊÇ·ñÊôÓÚ·ÖÉúÇøϸ°û  ¢Ýϸ°ûÖÜÆÚ¸÷ʱÆÚÇø·ÖÊÇ·ñ׼ȷ 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2014½ìÕã½­Ê¡¶«ÑôÊи߶þµÚÒ»´ÎÔ¿¼ÉúÎïÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÏÂÃæÊÇijͬѧÔÚʵÑéÖÐÓöµ½µÄһЩÎÊÌâ,ÆäÖÐÕýÈ·µÄ²Ù×÷»òÏë·¨ÊÇ

A£®ÔÚÖ½²ãÎö·¨·ÖÀëÒ¶ÂÌÌåÖÐÉ«ËصÄʵÑé½á¹ûÖÐ,À¶ÂÌÉ«µÄÉ«ËØ´ø×î¿í£¬¿ÉÅжÏΪҶÂÌËØa ÔÚ²ãÎöÒºÖÐÈܽâ¶È×î¸ß

B£®Ì½¾¿Î¶ȶÔø»îÐÔµÄÓ°Ï죬¿ÉÑ¡Ôñ¹ýÑõ»¯ÇâÈÜÒº×÷Ϊµ×Îïr

C£®½«Ä³Ï¸°ûÄÚµÄI¶ÔͬԴȾɫÌåÉϵÄDNAÓÃ3H±ê¼Çºó£¬ÈÃÆäÔÚ²»º¬·ÅÉäÐԵĻ·¾³ÖÐÁ¬Ðø ½øÐÐ2´ÎÓÐË¿·ÖÁÑ£¬²úÉúµÄ×Óϸ°ûÖоßÓзÅÉäÐÔµÄϸ°ûÓÐ1¸ö

D£®ÔÚT2ÊɾúÌåÇÖȾ´ó³¦¸Ë¾úµÄʵÑéÖÐ,º¬35SµÄʵÑé×éÈô²»½Á°è¡¢ÀëÐÄ,ÔòÉÏœ[Òº·ÅÉäÐÔ µÍ,³ÁµíÎï·ÅÉäÐÔó{;º¬32PµÄʵÑé×éÈô±£ÎÂʱ¼ä¹ý³¤£¬½Á°è¡¢ÀëÐĺó£¬ÔòÉÏœ[Òº·ÅÉäÐÔó{£¬ ³ÁµíÎï·ÅÉäÐÔµÍ

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÉúÎï À´Ô´£º2010¡«2011ѧÄêɽÎ÷Ê¡¸ßÒ»µÚ¶þ´ÎÔ¿¼ÉúÎïÊÔ¾í ÌâÐÍ£º×ÛºÏÌâ

£¨8·Ö£©ÏÂÃæÊÇijͬѧÔÚ³£ÎÂÏÂËù×öµÄÒ»¸öÓйعýÑõ»¯ÇâÔÚ²»Í¬Ìõ¼þÏ·ֽâµÄʵÑé¡£

ÊԹܱàºÅ

a

b

c

¹ýÑõ»¯Çâ

3£¥H2O22mL

3£¥H2O22mL

3£¥H2O22mL

ζÈ

³£ÎÂ

³£ÎÂ

³£ÎÂ

·´Ó¦Ìõ¼þ

ÕôÁóË®2µÎ

FeCl3ÈÜÒº2µÎ

¸ÎÔàÑÐÄ¥Òº2µÎ

ÆøÅݲúÉúµÄ¶àÉÙ

£«

£«£«

£«£«£«

Çë¸ù¾Ý¸ÃʵÑé»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©¸ÃʵÑéµÄ¶ÔÕÕ×éÊÇ¡¡¡¡¡¡¡¡¡¡¡¡ºÅÊԹܣ¬ÊµÑé×éÊÇ¡¡¡¡¡¡¡¡¡¡¡¡ºÅÊԹܡ£ÊµÑéÖÐÊôÓÚ×Ô±äÁ¿µÄÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£¬Òò±äÁ¿ÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£

£¨2£©ÏÂͼµÄÇúÏßa±íʾaÊÔ¹ÜÖйýÑõ»¯ÇâµÄ·Ö½âÇé¿ö£¬Çë²ÎÕÕ´ËÇúÏß´óÖ»­³öbÊԹܺÍcÊÔ¹ÜÖйýÑõ»¯Çâ

µÄ·Ö½âÇé¿öµÄÇúÏßͼ¡£

£¨3£©Èç¹û½ö½«ÉÏÊöʵÑéÌõ¼þÓɳ£Î¸ÃΪ90¡æˮԡ½øÐÐʵÑ飬ÆøÅݲúÉú×î¶àµÄÊÔ¹ÜÊÇ¡¡¡¡¡¡¡¡ºÅ£¬Ô­ÒòÊÇ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸