中国公民B-1/B-2 签证更新电子系统 (EVUS) Department of State Visa Bulletin美国国务院排期 Visa Bulletin and priority date Check you cases status with the USCIS 移民局网站查询 Check your case status查询案子状态 Send a case inquiry 提交案子询问 Check USCIS processing time (查询移民局审理时间) Check processing time of Department of Labor related cases 查询劳工部审理时间 Processing time for prevailing wage determination, PERM processing, PERM Audit (查询Prevailing Wage Determination, PERM, PERM Audit 审理时间) Naturalization Test公民考试有关信息 Study Materials for the English Test英文考试准备 Study Material for the Civics Test 公民知识考试准备 中文公民考试100题 Simplified Civics questions (65/20 Exemption) 65岁以上,持绿卡20年以上申请人的20道公民考试题,可以用中文考试 E Visa Treaty Country List E签证的条约国 https://travel.state.gov/content/travel/en/us-visas/visa-information-resources/fees/treaty.html