发布时间：2016-10-24 来源：新东方在线 发布人：wyznl
1Almost all economists agree that nations， gain by trading with one another.
2The conference explored the possibility of closer trade links.
3The chemical is deadly to rats but safe to cattle
4During his lifetime he was able to accumulate quite a fortune.
5It’s impolite to cut in when two persons are holding a conversation
B talk loudly
C stand up中华考试网
答案：1. B 2. B 3. A 4. C 5. D