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【单选题】
交换式以太网的核心设备是( )。A.
中继器
B.
路由器
C.
集线器
D.
以太网交换机
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【简答题】Jane Scott is four and the year before last she began to study in a middle school. She likes dancing and singing and spends a lot of time on them. But she hates math and does not work hard at it. ...
【单选题】If one goes to study in the United States as an ESL student, ________.
A.
he or she must use English as his or her own language
B.
he or she must be a Canadian
C.
his or her first language is not English
D.
he or she must be a Chinese
【单选题】一急性心肌梗死患者，于起病后18小时发生急性左心衰竭。测血压11／6.8kPa（82／51mmHg），左室充盈压2.7kPa（20mmHg），经硝普钠滴注血压仍未上升。宜用下列哪项治疗
A.
加用多巴胺
B.
加用间羟胺
C.
静脉注射毒毛花苷K
D.
补充血容量
E.
加用呋塞米
【单选题】CCU 护士发现新入院的大面积急性心肌梗塞患者,血压下降,为抢救患者生命实施必要的紧急救护,护士不用必须做到的是
A.
依照诊疗和护理技术规范
B.
等待医师，必须有医师现场指导
C.
根据患者病情变化和自身能力立即展开急救
D.
避免对患者身心造成伤害
E.
立即通知医师
【简答题】Watch the vedio clip and fill in the blanks. u02M3.mpg Susan: Hey, John. You’re back. A few days ago, (1)____________. John: Oh, that’s bad. Susan: (2)____________________________________. I had to we...
【单选题】一急性心肌梗死患者，于起病后18小时发生急性左心衰竭。测血压83/55mmHg，左室充盈压20mmHg。宜用下列哪项治疗
A.
加用多巴胺
B.
加用间羟胺
C.
静脉注射毒毛花苷K
D.
补充血容量
E.
加用呋塞米
【简答题】Model 3 Watch the vedio clip and fill in the blanks. u03M3.mpg Chris: Hey Sue, how’s the math class going? Are you head of the class? Susan: Are you kidding? There’s a bunch of foreign students in ...
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