具有两条指令流水线的CPU，一般情况下，每个时钟周期可以执行( )。
A．一条指令
B．二条指令
C．三条指令
D．四条指令
参考答案：B
宝玉去探望宝钗，宝钗看了宝玉那块“落草时衔下来的宝玉”后，写了一篇《嘲顽石诗》。
The Baker Company uses the LIFO inventory valuation method and reported its inventory at $ 200000 and its COGS at $ 500000. The company’ s LIFO reserve increased from $ 5000 to $ 30000 during the year. What amounts would the company report if it were to use the FIFO methodEnding Inventory COGS（）
①A. $170000 $ 525000
②B. $ 230000 $ 475000
③C. $170000 $475000
