地陪在作上团准备时,如果要接的团所持的机票是OK票,那就要告诫自己一定要______。
参考答案:及时确认机票
I'm allowed to choose my own clothes, but I'm not allowed _____ my ears pierced. [ ]
A. to look at
B. to clean
C. to cover
D. to get
急性酒精中毒主要表现为______和______症状。