【单选题】What will passengers have to do if their baggage is over the free allowance?
B.
To carry it themselves.
C.
To ask for special permit.
D.
To drop the excessive item.
【单选题】利多卡因中酰胺键不易水解是因为酰胺键的邻位两个甲基可产生( )
【多选题】与普鲁卡因相比,利多卡因不易水解的主要原因是
【简答题】What is the free baggage allowance for a first-class passenger?
【判断题】Since there is free baggage allowance, excess baggage will not be charged by the airline.
【单选题】利多卡因不易水解是因为其结构中酰胺键的邻位两个甲基可产生
【简答题】What will passengers have to do if their baggage is over the free allowance? A) To pay extra money. B) To carry it themselves. C) To ask for special permit. D) To drop the excessive item.
【简答题】free baggage allowance