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【单选题】
如图1所示，一只封闭的圆柱形水桶内盛了半桶水（桶的厚度忽略不计），圆柱形水桶的底面直径与母线长相等，现将该水桶水平放置后如图2所示，设图1、图2中水所形成的几何体的表面积分别为S 1 、S 2 ，则S 1 与S 2 的大小关系是A.
S 1 ＝S 2
B.
S 1 ＞S 2
C.
S 1 ＜S 2
D.
S 1 与S 2 大小关系不确定
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【简答题】第一章 绪论作业.docx
【单选题】The expression 'play safe' probably means ______.
A.
to write carefully
B.
to de as teachers say
C.
to use dictionaries frequently
D.
to avoid using words one is not sure of
【单选题】Which of the following does NOT correctly describe a perpetual inventory system?
A.
Cost of goods sold is calculated every time a sale is made.
B.
Assuming shrinkage of zero, inventory and cost of goods sold do not have to be updated at the end of the period.
C.
The use of this system eliminates the requirement for an annual physical inventory count.
D.
Assuming a FIFO cost flow, cost of goods sold would equal that calculated by the periodic system.
【单选题】If the cost to purchase a unit of inventory does not change, ending inventory:
A.
will be the highest under FIFO.
B.
will be the highest under LIFO.
C.
cannot be computed using the average-cost method.
D.
will be the same under LIFO and FIFO.
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