两个合作进程(Cooperating Processes)无法利用( )交换数据。

A:文件系统 B:共享内存 C:高级语言程序设计中的全局变量 D:消息传递系统

John is collaborating with Mary in writing an article.

A:cooperating B:marrying C:combining D:arguing

John is {{U}}collaborating{{/U}} with mary in writing an article.

A:cooperating B:competing C:combining D:arguing

John is {{U}}collaborating{{/U}} with Mary in writing an article

A:cooperating B:competing C:combining D:arguing

John is collaborating with Mary in writing an article.

A:cooperating B:competing C:combining D:arguing

John is collaborating with Mary in writing an article.

A:cooperating B:competing C:combining D:arguing

You can research the topic by cooperating with others.

A:Right B:Wrong C:Not mentioned

Thank you for you（）

A:cooperate B:cooperating C:cooperation D:cooperated

Thank you for you ( ).

A:cooperate B:cooperating C:cooperation D:cooperated