What happened on Thursday？
A. Israel announced plans to build up to 750 new homes in a Jewish settlement.
B. A Palestinian gunman killed eight students at a Jewish seminary.
C. Israel stepped up security across the country.
D. Olmert promised to fight militants in the West Bank and Gaza.
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What is the main point of the article？
A. This article explains why European retail is one of the few industries anywhere on the globe.
B. In Europe, government prevent the Wal-Martification.
C. The real megastore action is moving outside Western Europe.
D. Safeway has become a particularly hot commodity in part because many of its stores have the combination of size and location.
死锁的预防是通过破坏产生死锁的四个必要条件来实现的。下列方法中，破坏了“循环等待”条件的是()。
A. 资源按序分配策略
B. 银行家算法
C. 一次性分配资源策略
D. 资源分配图化简法
在微程序控制中，机器指令和微指令的关系是()。
A. 每一条机器指令由一条微指令解释执行
B. 每一条机器指令由一段微程序解释执行
C. 每一条微指令由一条机器指令解释执行
D. 每一段微程序由若干条机器指令解释执行
TCP使用()机制来进行流量控制。
A. 三次握手
B. 二次握手
C. Windows窗口
D. 滑动窗口
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