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张××，女，42岁。久病肌衄，头晕心悸，身疲乏力，低热，体温最高37．9℃，面色无华。甲爪色淡，失眠健忘，食少纳呆，月经量多，舌淡苔少，脉细弱。

该患者中医病机为 （）

A.气血亏虚，外受风邪

B.气不统血，血虚阳浮

C.气虚血脱

D.亡血气脱

E.血瘀致虚，气血亏虚

答案

参考答案：B

单项选择题

Sometimes the processes in which people are engaged are dependent upon other processes being completed first, possibly by other people. For example, on an automobile (71) , it is necessary for the body to be constructed before the doors can be added on. Attempting to add the doors first would be pointless, because there would be nowhere to attach them. Thus, if there is no body ready to have doors added, the process for adding doors has to be (72) until the process for creating the next body is complete. This is known as (73)
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．waiting lock

B．block

C．deadlock

D．death
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填空题

51定时器工作在计数还是定时方式，由TMOD的（）决定。
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