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【简答题】
Directions: Fill in the blanks with appropriate words whose beginning letters have been given. Six consecutive days of spring rain had created a raging river running by Nancy Brown’s farm. As she tried to herd her cows to higher ground, she (1) s_____ and hit her head on a fallen tree trunk. The fall knocked her out for a moment or two. When she came to, Lizzie, one of her oldest and favorite cows, was licking her face. The water was rising. Nancy got up and began walking (2) s____ with Lizzie. The water was now waist high. Nancy’s (3) p___ got slower and slower. Finally, all she could do was to throw her arm (4) a_____ Lizzie’s neck and try to hang on. About 20 minutes later, Lizzie (5) m______ to successfully pull herself and Nancy out of the raging water and onto a bit of high land, a small island now in the (6) m____ of acres of white water. Even though it was about noon, the sky was so dark and the rain and lightning so bad that it took rescuers another two hours to (7) d______ Nancy. A helicopter lowered a paramedic, who attached Nancy to a life-support hoist. They raised her into the helicopter and took her to the school gym, (8) w____ the Red Cross had set up an emergency shelter. When the flood subsided two days later, Nancy immediately went back to the “island.” Lizzie was (9) g___. She was one of 19 cows that Nancy lost. “I owe my (10) l__ to her,” said Nancy sobbingly.
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【单选题】休克病人使用血管收缩剂的护理,哪一项有错
A.
必要时短期小量应用
B.
应从低浓度,慢滴速开始
C.
每 10 分钟测定血压、脉搏1次,平稳后测定时间可延长
D.
必须在血容量已补足时才能应用
E.
发现药物外渗应更换输液部位,并用酚安拉明稀释后作局部注射
【单选题】如图所示,在场强为E的水平方向的匀强电场中有A、B两点,AB连线长为L,连线与电场线夹角为α,则A、B两点的电势差U AB 等于:
A.
B.
EL
C.
ELsinα
D.
Elcosα
【单选题】下列选项中,属于星梦剧院的相对最高席别是
A.
VIP座票
B.
普通座票
C.
普通站票
D.
加站票
【单选题】休克病人使用血管收缩剂的护理,哪一项有错
A.
必要时短期小量应用
B.
应从低浓度,慢滴速开始
C.
每10分钟测定血压、脉搏1次,平稳后测定时间可延长
D.
必须在血容量已补足时才能应用
【多选题】RSTP收敛速度比STP要快,原因在于()
A.
在RSTP里面引入了边缘端口的概念,边缘端口不接收处理配置BPDU,不参与RSTP运算,可以由Disable直接转到Forwarding状态
B.
如果网络中一个根端口失效,那么网络中最优的Alternate端口将成为根端口,进入Forwarding状态
C.
RSTP中,某端口被选举为指定端口后,会先进入Discarding状态,再通过Proposal/Agreement机制快速进入Forwarding状态
D.
RSTP中当一个端口收到上游的指定桥发来的RSTBPDU报文时,该端口会将自身存储的RST BPDU与收到的RST BPDU进行比较
E.
如果网络中一个指定端口失效,那么网络中最优的Alternate端口将成为指定端口,进入Forwarding状态
【简答题】下列选项中,属于星梦剧院的相对最高席别是
【单选题】如图所示,在场强为E的水平方向的匀强电场中有A、B两点,AB连线长为L,连线与电场线夹角为α,则A、B两点的电势差U AB 等于:
A.
B.
EL
C.
EL cosα
D.
El sinα
【多选题】RSTP 收敛速度比STP 要决, 原因在于: (多选)
A.
. 在RSTP 里面引入了边缘端口的概念, 边缘端口不接收处理配置BPDU, 不参与RSTP 运算, 可以由Disable 直接转到Forwarding 状态。
B.
如果网络中一个根端口失效, 那么网络中最优的Alternate 端口将成为根端口,进入Forwarding 状态。
C.
RSTP 中, 某端口被选举为指定端口后, 会先进入Discarding 状态, 再通过Proposal/ Agreement 机制快速进入Forv.,arding 状态。
D.
RSTP 中当一个端口收到上游的指定桥发来的RSTBPDU 报文时, 该端口会将自身存储的RSTBPDU 与收到的RSTBPDU 进行比较。
E.
如果网络中一个指定端口失效,那么网络中最优的Alternate 端口将成为指定端口, 进入Forwarding 状态。
【简答题】Meigs syndrome 的定义
【单选题】患者男,40岁,3年前做过“胃切除手术”,近半年经常出现头晕、心悸,诊断为缺铁性贫血。该患者外周血中红细胞的值正常应为
A.
(3.5~5.0)×1012/L
B.
(4.0~5.5)×1012/L
C.
(3.5~5.0)×109/L
D.
(4.0~5.5)×109/L
E.
(4.0~10.0)×109/L
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