问题
单项选择题
若系统中有5个并发进程涉及某个相同的变量A，则变量A的相关临界区是由几个临界区构成
A．2个
B．3个
C．4个
D．5个
答案
参考答案：D
解析： 相关临界区是指并发进程涉及到相同变量的那些程序段。
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若系统中有5个并发进程涉及某个相同的变量A，则变量A的相关临界区是由几个临界区构成
A．2个
B．3个
C．4个
D．5个
参考答案：D
解析： 相关临界区是指并发进程涉及到相同变量的那些程序段。
| 用方框里的词填空。 | |
language is by 1_____ it. The best way of learning English is talking in English as much as 2_____. Sometimes you will get your words mixed up (混淆) and people will not 3_____ you. Sometimes people will say things too 4_____ and you can't understand 5_____. But if you keep your sense of humor, you can always have a good 6_____ the mistake. Don't be 7_____ if people seem to be laughing at your mistakes. It is much better for people to be laughing at your mistake than to be angry because they don't understand 8_____ you are saying. The most 9_____ rule for learning English is, don't be afraid of 10_____ mistakes, everyone makes mistake. |