为实现消息缓冲队列通信,应在PCB中增加①、②、③三个数据项。为实现消息缓冲队列通信,应在PCB中增加①、②、③三个数据项。
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PART 3Discussion topic: SportExample questions:— What kinds of sports are popular in yourPART 3 Discussion topic: Sport Example questions: — What kinds of sports are popular in your country now, but weren’t popular 20 years ago — Do you think that young people spend too much time studying, watching TV, and playing on computers rather than getting exercise and playing sports — How can playing sports help us in other aspects of our lives — Which sports do you think will become more popular in the future — Compare the kinds of sports that men and women prefer.
()。 ③物质C不仅是一种清洁燃料,也是重要的化工原料。写出物质C在氧气中燃烧的化学方程式: 。 ④在反应A + B C + D中,B和C的质量比为