下列活动,属于国际航空运输协会(IATA)的主要活动有()
A.协商制定国际航空客货运价
B.统一国际航空运输规章制度
C.开展业务代理
D.进行劳务输出
参考答案:A, B, C
— ________ your brother said to you?
— He encouraged me to talk to foreigners more often.
A.What it was that
B.What was it that
C.How it was that
D.How was it that
调制水饺面主坯应使用()水温。