ÌâÄ¿ÄÚÈÝ
ijͬѧÉè¼ÆÁËÈçÉÏͼËùʾµÄ×°ÖÃÀ´Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦µÄ¹Øϵ¡£µ¯»É³Ó¹Ì¶¨ÔÚÒ»ºÏÊʵÄľ°åÉÏ£¬×ÀÃæµÄÓÒ±ßÔµ¹Ì¶¨Ò»Ö§±íÃæ¹â»¬µÄǦ±ÊÒÔ´úÌ涨»¬ÂÖ£¬Ï¸ÉþµÄÁ½¶Ë·Ö±ðÓ뵯»É³ÓµÄ¹Ò¹³ºÍ¿óȪˮƿÁ¬½Ó¡£ÔÚ×ÀÃæÉÏ»³öÁ½ÌõƽÐÐÏßMN¡¢PQ£¬²¢²â³ö¼ä¾àd¡£¿ªÊ¼Ê±½«Ä¾°åÖÃÓÚMN´¦£¬ÏÖ»ºÂýÏòÆ¿ÖмÓË®£¬Ö±µ½Ä¾°å¸Õ¸Õ¿ªÊ¼Ô˶¯ÎªÖ¹£¬¼Çϵ¯»É³ÓµÄʾÊýF0£¬ÒԴ˱íʾ»¬¶¯Ä¦²ÁÁ¦µÄ´óС¡£ÔÙ½«Ä¾°å·Å»ØÔ´¦²¢°´×¡£¬¼ÌÐøÏòÆ¿ÖмÓË®ºó£¬¼Çϵ¯»É³ÓµÄʾÊýF1£¬È»ºóÊÍ·Åľ°å£¬²¢ÓÃÃë±í¼ÇÏÂľ°åÔ˶¯µ½PQ´¦µÄʱ¼ät¡£
£¨1£©Ä¾°åµÄ¼ÓËٶȿÉÒÔÓÃd,t±íʾΪa= £»ÎªÁ˼õС²âÁ¿¼ÓËٶȵÄżȻÎó²î¿ÉÒÔ ²ÉÓõķ½·¨ÊÇ(Ò»ÖÖ¼´¿É) ¡£
£¨2£©¸Ä±äÆ¿ÖÐË®µÄÖÊÁ¿Öظ´ÊµÑ飬ȷ¶¨¼ÓËÙ¶ÈaÓ뵯»É³ÓʾÊýF1µÄ¹Øϵ¡£ÏÂÁÐͼÏóÄܱíʾ¸ÃͬѧʵÑé½á¹ûµÄÊÇ ¡£
£¨3£©ÓüÓË®µÄ·½·¨¸Ä±äÀÁ¦µÄ´óСÓë¹Ò¹³ÂëµÄ·½·¨Ïà±È£¬ËüµÄÓŵãÓÐ ¡£
a£®¿ÉÒԸı们¶¯Ä¦²ÁÁ¦µÄ´óС
b£®¿ÉÒÔ¸ü·½±ãµØ»ñÈ¡¶à×éʵÑéÊý¾Ý
c£®¿ÉÒԱȽϾ«È·µØ²â³öĦ²ÁÁ¦µÄ´óС
d£®¿ÉÒÔ»ñµÃ¸ü´óµÄ¼ÓËÙ¶ÈÒÔÌá¸ßʵÑ龫¶È
£¨1£©Ä¾°åµÄ¼ÓËٶȿÉÒÔÓÃd,t±íʾΪa= £»ÎªÁ˼õС²âÁ¿¼ÓËٶȵÄżȻÎó²î¿ÉÒÔ ²ÉÓõķ½·¨ÊÇ(Ò»ÖÖ¼´¿É) ¡£
£¨2£©¸Ä±äÆ¿ÖÐË®µÄÖÊÁ¿Öظ´ÊµÑ飬ȷ¶¨¼ÓËÙ¶ÈaÓ뵯»É³ÓʾÊýF1µÄ¹Øϵ¡£ÏÂÁÐͼÏóÄܱíʾ¸ÃͬѧʵÑé½á¹ûµÄÊÇ ¡£
£¨3£©ÓüÓË®µÄ·½·¨¸Ä±äÀÁ¦µÄ´óСÓë¹Ò¹³ÂëµÄ·½·¨Ïà±È£¬ËüµÄÓŵãÓÐ ¡£
a£®¿ÉÒԸı们¶¯Ä¦²ÁÁ¦µÄ´óС
b£®¿ÉÒÔ¸ü·½±ãµØ»ñÈ¡¶à×éʵÑéÊý¾Ý
c£®¿ÉÒԱȽϾ«È·µØ²â³öĦ²ÁÁ¦µÄ´óС
d£®¿ÉÒÔ»ñµÃ¸ü´óµÄ¼ÓËÙ¶ÈÒÔÌá¸ßʵÑ龫¶È
(1) £¬±£³ÖF1²»±ä£¬Öظ´ÊµÑé¶à´Î²âÁ¿£¬Çóƽ¾ùÖµ£» (2) C (3)BC
ÊÔÌâ·ÖÎö£º£¨1£©¸ù¾ÝÔȱäËÙÖ±ÏßÔ˶¯¹«Ê½µÃ£º£»ÎªÁ˼õС²âÁ¿¼ÓËٶȵÄżȻÎó²î¿ÉÒÔ²ÉÓõķ½·¨ÊDZ£³ÖF1²»±ä£¬Öظ´ÊµÑé¶à´Î²âÁ¿£¬Çóƽ¾ùÖµ£®
£¨2£©µ±F1£¾F0ʱ£¬Ä¾°å²Å²úÉú¼ÓËٶȣ®Ëæ׿ÌÐøÏòÆ¿ÖмÓË®ºó£¬¿óȪˮƿµÄÖÊÁ¿²»¶ÏÔö¼Ó£¬¿óȪˮƿµÄÖÊÁ¿²»ÄÜԶСÓÚľ°åµÄÖÊÁ¿¶ø±»ºöÂÔ£¬ÄÇôˮµÄÖØÁ¦ÓëÉþ×ÓµÄÀÁ¦²îÖµµÈÓÚ¿óȪˮƿµÄÖÊÁ¿Óë¼ÓËٶȵij˻ý»áÔ½À´Ô½´ó£®¹ÊÑ¡C£®
£¨3£©²»¿ÉÒԸı们¶¯Ä¦²ÁÁ¦µÄ´óС£¬¹ÊA´íÎó£®»ºÂýÏòÆ¿ÖмÓË®£¬¿ÉÒÔ¸ü·½±ãµØ»ñÈ¡¶à×éʵÑéÊý¾Ý£¬¹ÊBÕýÈ·£®»ºÂýÏòÆ¿ÖмÓË®£¬Ö±µ½Ä¾°å¸Õ¸Õ¿ªÊ¼Ô˶¯£¬¿ÉÒԱȽϾ«È·µØ²â³öĦ²ÁÁ¦µÄ´óС£¬¹ÊCÕýÈ·£®²¢Ã»ÓлñµÃºÜ´óµÄ¼ÓËٶȣ¬¿ÉÒÔ»ñÈ¡¶à×éʵÑéÊý¾ÝÒÔÌá¸ßʵÑ龫¶È£®¹ÊD´íÎó£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿