°²»ÕÊ¡³üÖÝÖÐѧ10-11ѧÄê¶È¸ß¶þÏÂѧÆÚÆÚÖп¼ÊÔ£¨ÊýѧÎÄ£©
Ò»¡¢Ñ¡ÔñÌ⣺±¾´óÌâ¹²10СÌ⣬ÿСÌâ5·Ö£¬¹²50·Ö£¬ÔÚÿСÌâ¸ø³öµÄËĸöÑ¡ÏîÖУ¬Ö»ÓÐÒ»ÏîÊÇ·ûºÏÌâÄ¿ÒªÇóµÄ.
£¨1£©ÒÑÖª¼¯ºÏ £¬ £¬Ôò £¨ £©
£¨A£© £¨B£©
£¨C£© £¨D£©
£¨2£© £¨ £©
£¨A£© £¨B£© £¨C£© £¨D£©
£¨3£©ÏÂÁÐÃüÌâÖеļÙÃüÌâÊÇ £¨ £©
£¨A£© £¬ £¨B£© £¬
£¨C£© £¬ £¨D£© £¬