听力原文：M: Good morning. I'd like ten stamps, please.
W: That's 50 cents a stamp.
Q: How much does the man have to pay？
(5)
A. 50 cents.
B. $5.00.
C. 100 cents.
D. $10.00.
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听力原文：What was the man doing？
(12)
A. He's trying to get out of the window.
B. He's helping Fred.
C. He's breaking into a house.
D. He's leaving by the front door.
月末在产品数量很少或在产品数量较大但在产品数量变动不大的情况下，为简化核算，在产品成本可以按照年初固定数计算，1到12月份完工产品的成本与本月生产费用相等。()
A. 正确
B. 错误
A．primaryB．preliminaryC．directD．primitive
A. primary
B. preliminary
C. direct
D. primitive
某集装箱码头需购置一套装卸设备，下表4个方案中，不考虑时间价值因素，应优先选择()。
A. 方案甲
B. 方案乙
C. 方案丙
D. 方案丁
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