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【判断题】
沸程又叫馏程，它是指单组份烃在一定压力下从初馏点到干点的温度范围。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【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.
A.
正确
B.
错误
【简答题】不在沉默中爆发,
【简答题】（ ）不是全面风险管理模式的特征。
【判断题】The circular-wait condition for a deadlock implies the hold-and-wait condition.
A.
正确
B.
错误
【单选题】A deadlock avoidance algorithm dynamically examines the __________ to ensure that a circular wait condition can never exist.
A.
resource allocation state
B.
system storage state
C.
operating system
D.
resources
【单选题】The circular wait condition can be prevented by ____________
A.
defining a linear ordering of resource types
B.
using thread
C.
using pipes
D.
all of the mentioned
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