Ó¢Ó¼´Ê±ÑµÁ··´ï±ê Unit1¡¶Laughter is good for you¡·Period 1£¨ÒëÁÖÅ£½ò°æÑ¡ÐÞ6£©

Ó¢Ó¼´Ê±ÑµÁ··´ï±ê Unit1¡¶Laughter is good for you¡·Period 2£¨ÒëÁÖÅ£½ò°æÑ¡ÐÞ6£©

Ó¢Ó¼´Ê±ÑµÁ··´ï±ê Unit1¡¶Laughter is good for you¡·Period 3£¨ÒëÁÖÅ£½ò°æÑ¡ÐÞ6£©

Ó¢Ó¼´Ê±ÑµÁ··´ï±ê Unit1¡¶Laughter is good for you¡·Period 4£¨ÒëÁÖÅ£½ò°æÑ¡ÐÞ6£©

Ó¢Ó¼´Ê±ÑµÁ··´ï±ê Unit1¡¶Laughter is good for you¡·Period 5£¨ÒëÁÖÅ£½ò°æÑ¡ÐÞ6£©

Ó¢ÓUnit1¡¶Laughter is good for you¡·µ¥ÔªÖÊÁ¿ÆÀ¹À£¨Ò»£©£¨ÒëÁÖÅ£½ò°æÑ¡ÐÞ6£©