Most_people_in_the_area_speak_Korean_language,_while_some_of_them_speak_Chinese.

　　3．把句4改为which引导的定语从句

　　They_like_wearing_white_clothes_which_stand_for_pure_and_simple.

　　第五步：过渡衔接联成篇

　　The_Korean_ethnic_group_in_China_is_one_of_the_55_ethnic_minorities_in_China.

　　They_are_mainly_in_Changbai_Mountain_area__which_is_near_Korea_to_the_Northeast_China.Most_of_them_now_live_in_Jilin_Province.Most_people_in_the_area_speak_Korean_language,_while_some_of_them_speak_Chinese.They_moved_there_from_Korea_hundreds_of_years_ago.They_like_wearing_white_clothes_which_stand_for_being_pure_and_simple.People_of_the_Korean_ethnic_group_in_China_are_fond_of_varieties_of_sports,_such_as_wrestling_and_playing_football.And_also_they_are_all_good_at_singing_and_dancing.What's_more,_they_have_over_one_thousand_schools,_of_which_Yanbian_University_is_very_famous.

　　_The_Korean_ethnic_group_in_China_is_a_great_and_hard­working_ethnic_minority.