【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.
【判断题】Although there is free baggage allowance, excess baggage or the overweight will not be charged by the airline.
【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
【单选题】尼日利亚 (下图)是番茄生产和消费大国,气候和耕地条件非常适合番茄生产。主要产地在北方诸州,一年只能生产一季,因储藏、运输、销售等各环节存在问题,番茄有一半白白烂掉。番茄酱为当地食品及西餐的必备调味品,年需求量达90万吨,由于食品加工业尚处于初级发展阶段,目前当地80%左右的成品番茄酱需从国外进口。 推测尼日利亚番茄主产地一年只能生产一季的自然原因
【简答题】“Free baggage allowance” means __________.
【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】free baggage allowance