一患者术后伤口渗血不止，临床疑有DIC，你应选择下列哪一组筛选试验（） ["出血时间，束臂试验，凝血时间","血小板计数，凝血酶原时间，纤维蛋白原测定","血小板计数，血块收缩，出血时间","凝血时间，凝血酶原时间，活化部分凝血活酶时间"]
丝杠螺母传动机构只有一个螺母时，可使螺母和丝杠始终保持（）。 ["双向接触","单向接触","单向或双向接触","三向接触"]
A system at 192.100.45.17 is able to print to the printer. However, another system at 192.100.50.23 cannot print to the same printer. All of the following should be performed EXCEPT:（） [" Increase the size of \/var. "," Check \/etc\/qconfig file. "," Check the default route. "," Check for name resolution."]
A System p distribution customer is very concerned about Reliability， Availability and Serviceability （RAS）. They are planning to install several p6 servers in their facilities and want to be able to move an LPAR from one System p to another. Which of the following would accomplish this（） ["System p servers using similar SAN storage","System p servers must share an HMC","System p servers must have the same level HMC","System p servers with VIOS"]
小明是一个智力正常的孩子，但他的学习效果却很差，学习成绩明显的落后于同龄人，可以认为小明是（） ["学习正常的儿童","智能不足儿童","学习困难儿童","禀赋优异儿童"]
试述糖皮质激素的临床应用及不良反应。
