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问题 单项选择题

下列关于毒蛇咬伤的临床表现正确的是( )

A．血液毒局部症状轻，全身症状出现晚
B．混合毒造成的死亡原因为神经毒
C．神经毒潜伏期短，吸收速度慢
D．血液毒潜伏期长，吸收速度快
E．神经毒局部症状重，易被发现

答案

参考答案：B

单项选择题

加强足三阴、足三阳经脉与心脏联系的是

A．奇经

B．别络

C．经别

D．经筋

E．正经
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单项选择题

Routing protocols use different techniques for assigning (37) to individual networks. Further, each routing protocol forms a metric aggregation in a different way. Most routing protocols can use multiple paths if the paths have an equal (38) Some routing protocols can even use multiple paths when paths have an unequal cost. In either case, load (39) can improve overall allocation of network bandwidth. When multiple paths are used, there are several ways to distribute the packets. The two most common mechanisms are per-packet load balancing and per-destination load balancing. Per-packet load balancing distributes the (40) across the possible routes in a manner proportional to the route metrics. Per-destination load balancing distributes packets across the possible routes based on (41)

39（）

A.bracketing 

B.balancing 

C.downloading 

D.transmitting
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