美国学生签证F1必须准备的材料：
1. I-20 (F/M student visa) or DS-2019 (J exchange visitor visa) 申请表格
2. Passport 护照
3. Photo 照片
4. Fees: MRV visa application fee receipt and I-901 fee receipt 费用
5. Confirmation page of Form DS-160 visa application 确认单
6. Additional Documentation - refer to official website for suggested
additional documents 其它支持性文件，请参照官网
