✔ 最佳答案
1. In some time in the past, China Airlines has one of the worst safety record in the world.
Now - no one knows - because people are scared not to take this airline.
2. Your checked luggage will be transferred automatically. You will have to carry your personal belongings and carry-on luggage to the next flight.
Security checks will be perform when you transfer.
3. When you check-in (either at the airport or online), you have checked all the way.
4. Nothing much - if you can, don't sit at the middle.
5. Follow here:
http://www.tsa.gov/travelers/airtravel/prohibited/permitted-prohibited-items.shtm