ÌâÄ¿ÄÚÈÝ
¶ÁÂí´ï¼Ó˹¼ÓµºÂÔͼ£¬Í¼ÖдֺÚÏßΪɽÂö£¬MΪ20¡æµÈÎÂÏß¡£¾Ý´Ë»Ø´ðÏÂÁи÷Ìâ¡£

СÌâ1:ÊܵØÐεÄÓ°Ï죬Âí´ï¼Ó˹¼Óµº¶«Î÷Á½²àµÄÖ²±»ÀàÐÍÓÐÃ÷ÏÔ²îÒ죬ÆäÃû³Æ¿ÉÄÜÊÇ ( )
СÌâ2:ͼÖÐ20¡æµÈÎÂÏßÐéÏß¶ÎL1¡¢L2¡¢L3¡¢L4µÄÍäÇú£¬·ûºÏʵ¼ÊÇé¿öµÄÊÇ ( )
СÌâ1:ÊܵØÐεÄÓ°Ï죬Âí´ï¼Ó˹¼Óµº¶«Î÷Á½²àµÄÖ²±»ÀàÐÍÓÐÃ÷ÏÔ²îÒ죬ÆäÃû³Æ¿ÉÄÜÊÇ ( )
| A£®¶«²àÊÇÈÈ´øÓêÁÖ£¬Î÷²àÊÇÈÈ´ø²ÝÔ |
| B£®¶«²àÊÇÈÈ´ø²ÝÔ£¬Î÷²àÊÇÈÈ´øÓêÁÖ |
| C£®¶«²àÊÇÑÇÈÈ´ø³£ÂÌÀ«Ò¶ÁÖ£¬Î÷²àÊÇÑÇÈÈ´ø³£ÂÌÓ²Ò¶ÁÖ |
| D£®¶«²àÊÇÈÈ´ø¼¾ÓêÁÖ£¬Î÷²àÊÇÈÈ´ø»ÄÄ® |
| A£®L1¡¢L3 | B£®L1¡¢L4 | C£®L2¡¢L3 | D£®L2¡¢L4 |
СÌâ1:A
СÌâ1:B
Âí´ï¼Ó˹¼Óµº¶«²àλÓÚ¶«ÄÏÐÅ·çµÄÓ·çÆÂ£¬Ñذ¶ÓÐůÁ÷¾¹ý£¬Æðµ½ÔöÎÂÔöʪµÄ×÷Óã¬ÐγÉÈÈ´øÓêÁÖ£»Âí´ï¼Ó˹¼ÓµºÎ÷²àÊÇÈÈ´ø²ÝÔ¡£Í¼ÖеÈÎÂÏßL1¡¢L2 ÖУ¬ÕýÈ·µÄÊÇL1£¬ÊܵØÐεÄÓ°Ï죬ÏòµÍγ͹³ö£»L3¡¢L4ÖУ¬ÕýÈ·µÄÊÇL4£¬ÊÜÑØ°¶Å¯Á÷µÄÓ°Ï죬Ïò¸ßγ͹³ö¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿