Question

18£®»­Á÷³ÌͼÓÐÀûÓÚÎÒÃǶÔËùѧ֪ʶ½øÐÐÕûÀíºÍ¹éÄÉ£®ÏÂÁÐÁ÷³ÌͼÖУ¬ÕýÈ·µÄÊÇ£¨¡¡¡¡£©

• A£® ÄòÒºµÄÐγɣºÑªÒº$\stackrel{ÉöС¹Ü}{¡ú}$Ô­Äò$\stackrel{ÉöСÇò}{¡ú}$ÄòÒº
• B£® Éñ¾­³å¶¯µÄ´«µÝ£º¸ÐÊÜÆ÷¡ú´«ÈëÉñ¾­¡úÉñ¾­ÖÐÊà¡ú´«³öÉñ¾­¡úЧӦÆ÷
• C£® Ìý¾õµÄÐγɹý³Ì£ºÍâ½çÉù²¨¡ú¹ÄĤ¡úÑʹĹܡú¶úÎÏ
• D£® ÊÓ¾õµÄÐγɹý³Ì£ºÍâ½ç¹âÏß¡ú½ÇĤ¡úºçĤ¡ú¾§×´Ìå¡úÂöÂçĤ¡úÊÓÍøĤ

Answer 1

·ÖÎö £¨1£©ÄòµÄÐγÉÒª¾­¹ýÉöСÇòµÄ¹ýÂË×÷ÓúÍÉöС¹ÜµÄÖØÎüÊÕ×÷ÓÃÁ½¸öÁ¬ÐøµÄ¹ý³Ì£®
£¨2£©·´Éä»î¶¯µÄ½á¹¹»ù´¡³ÆΪ·´É仡£¬°üÀ¨¸ÐÊÜÆ÷¡¢´«ÈëÉñ¾­¡¢Éñ¾­ÖÐÊà¡¢´«³öÉñ¾­ºÍЧӦÆ÷£®
£¨3£©Ìý¾õµÄÐγɹý³ÌÊÇ£ºÍâ½çµÄÉù²¨¾­¹ýÍâ¶úµÀ´«µ½¹ÄĤ£¬ÒýÆð¹ÄĤµÄÕñ¶¯£»Õñ¶¯Í¨¹ýÌýС¹Ç´«µ½ÄÚ¶ú£¬´Ì¼¤¶úÎÏÄÚµÄÌý¾õ¸ÐÊÜÆ÷£¬²úÉúÉñ¾­³å¶¯£»Éñ¾­³å¶¯Í¨¹ýÓëÌý¾õÓйصÄÉñ¾­´«µÝµ½´óÄÔƤ²ãµÄÌý¾õÖÐÊ࣬¾ÍÐγÉÁËÌý¾õ£®
£¨4£©ÊÓ¾õµÄÐγɹý³Ì£º¹âÏß¡ú½ÇĤ¡úÍ«¿×¡ú¾§×´Ìå¡ú²£Á§Ìå¡úÊÓÍøĤ¡úÊÓ¾õÉñ¾­¡úÊÓ¾õÖÐÊà¡úÊÓ¾õ£®

½â´ð ½â£ºA¡¢µ±ÑªÒºÁ÷¾­ÉöСÇòʱ£¬³ýѪϸ°ûºÍ´ó·Ö×Óµ°°×ÖÊÍ⣬ÆäËûµÄÈçË®¡¢ÎÞ»úÑΡ¢ÄòËØ¡¢ÆÏÌÑÌÇ»áÂ˹ýµ½ÉöСÄÒÐγÉÔ­Äò£®µ±Ô­ÄòÁ÷¾­ÉöС¹Üʱ£¬ÆäÖд󲿷ÖË®¡¢²¿·ÖÎÞ»úÑκÍÈ«²¿ÆÏÌÑÌDZ»ÖØÐÂÎüÊÕ»ØѪҺ£¬Ê£ÏµÄÄòËØ¡¢Ò»²¿·ÖÎÞ»úÑκÍË®ÐγÉÁËÄòÒº£®Òò´ËÄòÒºµÄÐγɣºÑªÒº$\stackrel{ÉöСÇò}{¡ú}$Ô­Äò$\stackrel{ÉöС¹Ü}{¡ú}$ÄòÒº£¬¶ø²»ÊÇѪҺ$\stackrel{ÉöС¹Ü}{¡ú}$Ô­Äò$\stackrel{ÉöСÇò}{¡ú}$ÄòÒº£¬´íÎó£»
B¡¢Éñ¾­³å¶¯µÄ´«µÝ£º¸ÐÊÜÆ÷¡ú´«ÈëÉñ¾­¡úÉñ¾­ÖÐÊà¡ú´«³öÉñ¾­¡úЧӦÆ÷£¬ÕýÈ·£»
C¡¢Ìý¾õµÄÐγɹý³Ì£ºÍâ½çÉù²¨¡ú¹ÄĤ¡úÌýС¹Ç¡ú¶úÎÏ¡úÌý¾õÉñ¾­¡ú´óÄÔƤ²ã£¬¶ø²»ÊÇÍâ½çÉù²¨¡ú¹ÄĤ¡úÑʹĹܡú¶úÎÏ£¬´íÎó£»
D¡¢ÊÓ¾õµÄÐγɹý³Ì£ºÍâ½ç¹âÏß¡ú½ÇĤ¡úÍ«¿×¡ú¾§×´Ìå¡ú²£Á§Ìå¡úÊÓÍøĤ¡úÊÓ¾õÉñ¾­¡ú´óÄÔƤ²ã£¬¶ø²»ÊÇÍâ½ç¹âÏß¡ú½ÇĤ¡úºçĤ¡ú¾§×´Ìå¡úÂöÂçĤ¡úÊÓÍøĤ£¬´íÎó£®
¹ÊÑ¡£ºB

µãÆÀ ½â´ð´ËÀàÌâÄ¿µÄ¹Ø¼üÊÇÀí½âÕÆÎÕÄòÒºµÄÐγɡ¢Éñ¾­³å¶¯µÄ´«µÝ¡¢Ìý¾õºÍÊÓ¾õµÄÐγɹý³Ì£®