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【单选题】
IP分组头部中有两个有关长度的字段,一个是头部长度字段,另一个是总长度字段,其中( )。A.
头部长度字段和总长度字段都是以8bit为计数单位
B.
头部长度字段以8bit为计数单位,总长度字段以32bit为计数单位
C.
头部长度字段以32bit为计数单位,总长度字段以8bit为计数单位
D.
头部长度字段和总长度字段都是以32bit为计数单位
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【单选题】患者,男性,45岁,肛瘘切除术后第3天,护士嘱咐其每日须行温水坐浴和换药。病人换药、坐浴、排便的正确顺序是
A.
先换药，再大便，后坐浴
B.
先坐浴，再大便，后换药
C.
先大便，再换药，后坐浴
D.
先坐浴，再换药，后大便
E.
先大便，再坐浴，后换药
【简答题】Who invented the co ne to facilitate eating in the street?
【单选题】What is the advantage for the people who join the co-op for a 6-month period?
A.
The membership fee is lower.
B.
They can help choose the products that will be sold.
C.
They may attend fewer meetings.
D.
They may go to the co-op more times per week.
【单选题】The title, 'The Secret of America' refers to ______.
A.
the fifty-five men who framed the Constitution
B.
the wisdom that speaks to us in our Constitution that made American what it is
C.
the year 1787
D.
Madison, Mason, Sherman, Wilson, Morris, and Hamilton-men who had considerable influence in the drafting of the Constitution
【单选题】The nurse who works on the night shift enters the medication room and finds a co-worker with a tourniquet wrapped around the upper arm. The co-worker is about to insert a needle, attached to a syringe...
A.
Call security.
B.
Call the police.
C.
Call the nursing supervisor.
D.
Lock the co-worker in the medication room until help is obtained.
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