邮票售出后，对于邮票持有人要求邮政企业兑换现金的处理做法正确的是（）。
A.等额兑换
B.不予兑换
C.特种邮票可以兑换
D.普通邮票可以兑换
参考答案：B
按要求完成句子，每空一词
1. She comes from Suqian. (对划线部分提问)
___________ ___________ she come from?
2. He makes a model plane at home. (用now 改写本句)
He __________ ____________ a model plane at home now.
3.Mr. Wu is a teacher. He teaches us English. ( 改为同义句)
Mr. Wu is ____________ ___________ teacher.
4. Bob does his homework at 7:00 p.m. every day. (改为否定句)
Bob __________ _________ his homework at 7:00 p.m. every day.
5. How do you like the film? ( 改为同义句)
___________ do you __________ ___________ the film?
投币式点歌机
