用什么来检测N和S最好。# Chemistry - 化学
s*y
1 楼
看到版上很多人问这个问题，我自己也被这个问题困扰过。问过我们学校的ISO,情况基
本熟悉了。这是我们学校ISO给的OPT申请的handout上的，应该比较可信。希望对大家
有帮助。
Q: Can I reenter [the U.S.] if my request for OPT is pending?
A: Yes, you may reenter to search for employment.
Q: Can I reenter [the U.S.] if I left while on OPT?
A: Yes, you may reenter while on OPT. However, If your OPT has been approved
for three months or more and you have not secured a job (paid or volunteer)
, your OPT ends and you may not reenter.If you have a job, you may travel
and reenter to res
本熟悉了。这是我们学校ISO给的OPT申请的handout上的，应该比较可信。希望对大家
有帮助。
Q: Can I reenter [the U.S.] if my request for OPT is pending?
A: Yes, you may reenter to search for employment.
Q: Can I reenter [the U.S.] if I left while on OPT?
A: Yes, you may reenter while on OPT. However, If your OPT has been approved
for three months or more and you have not secured a job (paid or volunteer)
, your OPT ends and you may not reenter.If you have a job, you may travel
and reenter to res