出口互换局在查单发出（）后，仍未收到最终答复时，应进行催查。
参考答案：一个月
聚苯乙烯特点。
_____ 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
