申请绿卡是根据出生国您应该是在中国出生的吧，那就算中国人啦

1. Do I need to go thru PERM?..........不一定

2. How long for EB2 1-140 now? ..........因人而异

3. Is it correct that I can change job 180 days after 485 has been filed? ...........对的

4. I am a Canadian citizen. Can I request consulate processing in Canada?...........也许要回中国申请 Would it be faster?..........不一定