求英语高手帮忙看看我写的几个句子有错吗?

求英语高手帮忙看看我写的几个句子有错吗?
如果我想去贵大学读研究生,请问有什么要求或者我需要准备什么?
If I want to be a graduate student in you university,what are the requirements or what should I prepare?
对GRE成绩有什么要求吗?
Is there any requirement for GRE?
我是济南大学大三的学生,专业是对外汉语.
I am a junior student in Jinan university ,major in teaching chinese as foreign language.
什么专业更加适合我?
What major is more suitable for me?
我希望开阔视野,了解不同的文化,提高英语水平,培养自己的独立能力.
I hope I can expand my horizo,know more different culture,improve my Englishi and cultivate the ability to live dependently.