根据《服务贸易总协定》对服务贸易范围的界定,哪一种提供服务的方式与投资有关()
A.跨境交付
B.境外消费
C.商业存在
D.自然人流动
参考答案:C
We have been told that under no circumstance ______ the telephone in the office for personal affairs.
A.may we use
B.we may use
C.we would use
D.did we use
洋地黄中毒时心脏毒性最常见的临床表现是()
A.心律失常
B.胸痛
C.黄视或绿视
D.恶心
E.咳粉红色泡沫痰