进程P1使用资源情况:申请资源S1,…申请资源S2,…释放资源S1;进程2使用资源情况:申请资源S2,…申请资源S1,…释放资源S2,系统并发执行进程P1,P2,系统将( )
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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