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活塞风道在空调季节按()模式运行。

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发射枪式抛绳设备时,持枪者应站在抛射盒的后方,枪口瞄准目标,水平仰角一般为30°左右,手指扣动扳机,触发抛射药筒,引发火箭。()

A. 正确
B. 错误

Certkiller.com has installed a server. You are assigned to install and run an instance of Active Directory Lightweight Directory Service (AD LDS). After doing necessary configurations, you start an instance of AD LDS successfully. Now you need to create new Organizational Units in the AD LDS application directory partition. What should you do to create new OUs in the AD LDS application directory partition()

A. To create the OUs, use the dsmod OU command
B. Employ ADSI Edit Snap-in to create the OUs on the AD LDS application directory partition.
Create OUs by executing dsadd OU command
D. Create OUs on the AD LDS application directory partition by using Active Directory Users and computers snap-in.

输卵管妊娠流产多见于()部妊娠,发病多在妊娠()周;而输卵管妊娠破裂多见于()部妊娠,发病多在妊娠()周左右。

下列不属于稳压管特性的是()。

A. 工作在反向击穿电压区
B. 电流在很大范围内变化
C. 管子压降几乎不变
D. 具有整流作用

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