题目
Obviously, there are many cases where people have to wait for other people to do something. However, if everyone in such a situation is waiting for someone else to do something first, then no one will ever be able to do anything. When discussing processes, this situation is known as(74), because all of the involved processes are effectively dead because of locks they have on resources. Usually someone in such a situation will eventually notice and abort the process, allowing normal flow to(75), and often warning signs can even be spotted ahead of time to avoid 'it in the first place.
A.water thread
B.assembly thread
C.water line
D.assembly line
第1题
The author writes of the development of geology to demonstrate _______.
A the process of specialisation and professionalisation
B the hardship of amateurs in scientific study
C the change of policies in scientific publications
D the discrimination of professionals against amateurs
第2题
A.PROCESS 为一无限循环语句
B.敏感信号发生更新时启动进程,执行完成后,等待下一次进程启动
C.当前进程中声明的变量不可用于其他进程
D.进程由说明语句部分、并行语句部分和敏感信号参数表三部分组成
第6题
Sometimes, transshipment and partial shipment are ______ by the buyer.
A.permission B.permitting C.prohibited D.prohibiting
第8题
A.lways
B.never
C.sometimes
D.often
第9题
There ____ pepper, salt, mustard and sometimes vinegar on the table.
A: are
B: is
C: be
D: being
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