题目内容

试就Mutual Exclusion、Progress、Bounded Waiting论述以下解决双进程临界区问题的算法是错误的：
Process PO：
do{
flag[0]=true；
While(flag[1])；
Critical section
Flag[0]=false；
Remainder section；
}while(1)；
process P1：
do
{
flag[1]=true；
While(flag[0])；
Critical section
Flag[1]=false；
Remainder section；
}while(1)；

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Write your composition on ANSWER SHEET FOUR.

The f【74】similarity of liquids and gases becomes clearly apparent when the temperature and pressure are raised somewhat. S【75】a closed container partially filled with a liquid is heated. The liquid expands, or in other【76】, becomes less dense; some of it evaporates. In contrast, the vapor above the liquid surface becomes dense as the evaporated molecules are added【77】it. The combination of temperature and pressure【78】which the densities become equal is c【79】the critical point. Above the critical point the liquid and the gas can no longer be dis【80】; there is a single, undifferentiated fluid phase of uniform. density.
(71)