北京研彩大票现代远程教育」 Teaching objectives(教学目标) To learn how to write an invitation card 学习怎样写邀请函 To learn how to express birthday wishes 学习怎样表达生日祝福Teaching objectives（教学目标） To learn how to write an invitation card ； 学习怎样写邀请函 To learn how to express birthday wishes 学习怎样表达生日祝福