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问题 单项选择题

偏瘫病人扶拐上楼梯时，移动顺序为( )。

A．健肢→患肢
B．患肢→健肢
C．手杖→健肢→患肢
D．手杖→患肢→健肢
E．健肢→手杖→患肢

答案

参考答案：C

解析：[知识点] 社区康复护理的内容

选择题

特大城市中大面积绿化带的主要作用有

①净化城市空气 ②减轻酸雨危害  ③防止水土流失 ④减轻“热岛效应”

A．①②

B．①③

C．①④

D．③④
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单项选择题

Traditional network layer packet forwarding relies on the information provided by network layer  (1) protocols, or static routing, to make an independent (2) decision at each hop within the network. The forwarding  (3) is based solely on the destination  (4) IP address. All packets for the same destination follow the same path across the network if no other equal-cost paths exist. Whenever a router has two equal-cost  (5) toward a destination, the packets toward the destination might take one or both of them, resulting in

空白（2）处应选择（）

A.forwarding

B.connecting

C.routing

D.killing
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