应对谈判威胁的技巧有______
A．先斩后奏
B．逆流而上
C．假装糊涂
D．晓以利害
E．顺流而上
参考答案：A,B,C,D
连接南北美大陆的天然桥梁是（ ）
A．巴拿马运河
B．西印度群岛
C．中美地峡
D．墨西哥高原
_____ Sun Yue has been selected into the L.A.Lakers(湖人队), he might as well make full use of the chance.
A. After B. Although C. As soon as D. Now that
