人伤案件估损录入时，轻微门诊案件参照同类案件的平均损失确定，一般不低于（）元：A.1

关于脊髓肿瘤正确的是（）

A.髓内肿瘤痛温觉障碍自下向上发展

B.髓外肿瘤深感觉障碍自下向上发展

C.髓外肿瘤深感觉障碍自上向下发展

D.髓内肿瘤痛温觉障碍自上向下发展

E.髓外肿瘤痛温觉障碍自上向下发展

For each blank, choose the best answer from the four choices and write down on the answer sheet.
(21) is a six bytes OSI layer 2 address which is burned into every networking
device that provides its unique identity for point to point communication.
(22) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.
(23) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.
(24) is the popular LAN developed under the direction of the IEEE802.5.
(25) is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

A．X.25

B．ATM

C．FDDI

D．SMDS

转子流量计指示稳定时，其转子上下的压差是由（）决定的。

A、流体的流速；

B、流体的压力；

C、转子的重量；

D、流道貌岸然截面积。

当发生未预期到的通货膨胀时，已有的债券投资（）。

A.价值出现贬值

B.价值出现升值

C.价值不受影响

D.价值变化无法判断

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