ÌâÄ¿ÄÚÈÝ
20£®ÈçͼΪϸ¾úµÄ½á¹¹Ê¾Òâͼ£¬¾Ýͼ»Ø´ð£º£¨1£©Ð´³öϸ¾úϸ°ûÒÔϸ÷²¿·ÖµÄÃû³Æ£º
¡¡¢Úϸ°û±Ú£¬¢ÛDNA£¬¢Þ±Þ룮
£¨2£©ÓëÖ²Îïϸ°ûÏà±È£¬Ï¸¾ú²»º¬Ò¶ÂÌÌ壬ËùÒÔ²»ÄܽøÐйâºÏ×÷Ó㬲»ÄÜÖÆÔìÓлúÎ
£¨3£©´Ó·ÖÀàµÄ½Ç¶ÈÀ´¿´£¬´ó³¦¸Ë¾ú¡¢ÈéËá¾ú¡¢·ÎÑ×Ë«Çò¾úµÈ¶¼ÊôÓÚϸ¾ú£¬ËüÓëÕæ¾ú×÷Ϊ·Ö½âÕß²ÎÓëÎïÖÊÑ»·£¬Æð×ÅÖØÒªµÄ×÷Óã®
£¨4£©Ï¸¾úµÄÉúÖ³·½Ê½ÊÇ·ÖÁÑÉúÖ³£®Õæ¾úµÄ·±Ö³·½Ê½Ò»°ãÊÇæß×ÓÉúÖ³£®
·ÖÎö ¾Ýͼ¿ÉÒÔ¿´³ö£ºÏ¸¾úµÄ¸÷²¿·Ö½á¹¹Îª£º¢Ù¼ÔĤ£»¢Úϸ°û±Ú£»¢ÛDNA¼¯ÖеÄÇøÓò£»¢Üϸ°ûÖÊ£»¢Ýϸ°ûĤ£»¢Þ±Þë
½â´ð ½â£º£¨1£©¢Úϸ°û±ÚÓб£»¤×÷ÓúÍÖ§³Ö×÷Ó㻢Ûδ³ÉÐεÄϸ°ûºËDNA¼¯ÖеÄÇøÓò£¬ÓÐÒÅ´«×÷Ó㻢ޱÞë¿ÉÒÔ°Ú¶¯£¬ÓбÞëµÄϸ¾ú¿ÉÒÔÔ˶¯£®
£¨2£©ÓÉÓÚϸ¾ú¡¢Õæ¾úÌåÄÚ¶¼Ã»ÓÐÒ¶ÂÌÌ壬²»ÄܽøÐйâºÏ×÷Óã¬ËùÒÔÖ»ÄÜÀûÓÃÏֳɵÄÓлúÎïÉú»î£¬ÓªÑø·½Ê½¶¼ÊÇÒìÑø£®
£¨3£©Çàù¾úÊôÓÚÕæ¾ú£¬´ó³¦¸Ë¾ú¡¢ÈéËá¾ú¡¢·ÎÑ×Ë«Çò¾úµÈ¶¼ÊôÓÚϸ¾ú£¬ËüÓëÕæ¾ú¶¼ÊÇ·Ö½âÕß²ÎÓëÎïÖÊÑ»·£®
£¨4£©Ï¸¾ú½øÐмòµ¥µÄ·ÖÁÑÉúÖ³£¬Ò»¸öϸ¾úºáÏò·ÖÁѳÉÁ½¸öϸ¾ú£¬ÕâÖÖÉúÖ³·½Ê½½ÐÁÑÖ³£¬ÔÚ»·¾³ÊÊÒ˵Äʱºò£¬²»µ½°ëСʱ£¬Ï¸¾ú¾ÍÄÜ·ÖÁÑÒ»´Î£¬¿É¼ûϸ¾úµÄÉúÖ³ËÙ¶ÈÊÇÏ൱¿ìµÄ£®Õæ¾úÖ÷ÒªÒÀ¿¿²úÉúæß×Ó½øÐз±Ö³£®æß×ÓÔÚζȡ¢Êª¶ÈµÈÌõ¼þÊÊÒ˵ÄÇé¿öÏÂÄܹ»³¤³ÉеĸöÌ壬ÕâÑùµÄ·±Ö³·½Ê½½Ð×öæß×ÓÉúÖ³£®
¹Ê´ð°¸Îª£º£¨1£©Ï¸°û±Ú£»DNA£»±Þë
£¨2£©Ò¶ÂÌÌ壻¹âºÏ×÷ÓÃ
£¨3£©Ï¸¾ú£»·Ö½âÕß
£¨4£©·ÖÁÑ£»æß×Ó
µãÆÀ ½â´ð´ËÀàÌâÄ¿µã¹Ø¼üÊÇÊì¼Çϸ¾úÕæ¾úµÄ½á¹¹¡¢ÓªÑøÉúÖ³£®
A£® | ´ÓÑ¿µÄ×ÅÉúλÖû®·Ö£¬aΪ¶¥Ñ¿£¬b¡¢cΪ²àÑ¿ | |
B£® | ¶¥Ñ¿aÒ»¶¨ÊÇ»¨Ñ¿£¬²àÑ¿b¡¢cÒ»¶¨ÊÇ֦ѿ | |
C£® | Ö¦ÌõÖеÄb¡¢cÊÇÓÉ֦ѿÉϵÄÑ¿Ô»ù·¢ÓýÀ´µÄ | |
D£® | Ö¦ÌõdµÄ²»¶ÏÉ쳤£¬À´×ÔÓÚ֦ѿÖÐ2µÄ²»¶ÏÉìÕ¹ |
£¨1£©Ìá³öÎÊÌ⣺¹â¶ÔÊ󸾵ķֲ¼ÓÐÓ°ÏìÂð£¿
£¨2£©×÷³ö¼ÙÉ裺¹â¶ÔÊ󸾵ķֲ¼ÓÐÓ°Ï죮
£¨3£©Öƶ¨²¢ÊµÊ©¼Æ»®£º·Ö³ÉͬÑù´óСµÄÁ½±ß¾ùÆÌÓÐʪÍÁµÄÌúºÐÈçͼ£¬×÷ÒÔÏ´¦Àí£º
¢Ù½«ÕÒµ½µÄÕý³£Éú³¤µÄ10Ö»Ê󸾷ÅÈëÈçͼµÄ×°ÖÃÖУ¬¾²ÖÃ2·ÖÖÓ£¨min£©
¢Úÿ·ÖÖÓͳ¼ÆÒ»´ÎÃ÷ÁÁºÍÒõ°µ´¦µÄÊó¸¾ÊýÄ¿£¬Í³¼Æ10´Î£¬½«½á¹û¼Ç¼ÈëÏÂ±í£º
»·¾³ | 2min | 3min | 4min | 5min | 6min | 7min | 8min | 9min | 10min | 11min | ƽ¾ùÖµ |
Ã÷ÁÁ | 5 | 2 | 2 | 1 | 2 | 2 | 3 | 1 | 2 | 0 | 2 |
Òõ°µ | 5 | 8 | 8 | 9 | 8 | 8 | 7 | 9 | 8 | 10 | 8 |
£¨5£©×¢Ò⣺
¢ÙʵÑéºó£¬ÈçºÎ´¦ÀíÊ󸾣¿½«Ê󸾷ŻØÊʺÏËüÃÇÉú´æµÄ×ÔÈ»»·¾³ÖÐ
¢Ú±¾ÊµÑéÖеıäÁ¿ÊǹâÕÕ£¬Êó¸¾ÌṩÁËÁ½ÖÖ»·¾³ÐγÉʵÑé¶ÔÕÕ×飬¼´Ã÷ÁÁºÍÒõ°µ£®
¢ÛÖ»ÓÃ1Ö»Êó¸¾×öʵÑéÐÐÂð£¿ÎªÊ²Ã´ÒªÓÃ10Ö»Êó¸¾×öʵÑ飿
A£® | ±íƤϸ°û | B£® | ±£ÎÀϸ°û | C£® | ±£»¤Ï¸°û | D£® | Ò¶Èâϸ°û |