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【单选题】
早产儿高浓度持续吸氧的主要危害是引起A.
脑水肿
B.
肺水肿
C.
失明
D.
高氧血症
E.
脑坏死
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反馈参考答案：
举一反三
【简答题】常用的退火方法有 ___ ___ _ ___ __ 、球化退火和__ ___ _ ___ __。为了去除工作中由于塑形加工,切削加工或焊接等造成的和铸件内存残余应力而进行退火叫__ ___ _____。
【简答题】如图所示电路中, I 1 = A , I 2 = A 。
【判断题】Scientifically select and then train, teach, and develop the worker is one of Taylor’s four principles of management. ( )A. √B. ×
A.
正确
B.
错误
【单选题】Which of the following is NOT one of Taylor’s four principles of management?
A.
Develop a science for each element of an individual’s work, which will replace the old rule-of-thumb method.
B.
Scientifically select and then train, teach, and develop the worker.
C.
Heartily cooperate with the workers so as to ensure that all work is done in accordance with the principles developed.
D.
Provide managers will less work than other employees so the managers can plan accordingly.
【单选题】Which of the following is NOT one ofTaylor’s four principles of management?work, which will replace the old rule-of-thumb methodthe workerall work is done in accordance with the principles developed
A.
Develop a science for each element of an individual’s
B.
Scientifically select and then train, teach, and develop
C.
Heartily cooperate with the workers so as to ensure that
D.
Provide managers will less work than other employees so the managers can plan accordingly
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