While typing, Helen has a habit of stopping once in a while to give her long and flowing hair a smooth.
A.
occasionally
B.
simultaneously
C.
eventually
D.
promptly
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参考答案:
举一反三
【判断题】Ordering resources and requiring the resources to be acquired in order prevents the circular wait from occurring and therefore prevents deadlock from occurring.
【判断题】The pointer sometimes changes to a circular pointer to indicate that the computer is busy and you must wait until Windows is ready to accept further commands.