反射层reflector

光缆中反射层的作用是（）

A . A、光线通过光缆时反射光线 B . B、放大光信号 C . C、促进光线的传播 D . D、减小反射角

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具有防反射层的胶片（）。

A . 普通X线胶片 B . 荧光摄影用胶片 C . CT胶片 D . X线直接复制片 E . T颗粒X线胶片

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参与视—听反射()参与听觉反射()参与平衡调节()参与视觉反射()参与瞳孔对光反射()

A . A．上丘 B . B．下丘 C . C．两者均是 D . D．两者均否

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增感屏结构中反射层的作用是

A . A．提高发光效率 B . B．提高清晰度 C . C．改善颗粒度 D . D．控制量子斑点 E . E．提高对比度

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Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is notconfigured as a route reflector？（）

A . prefixes received from any other BGP peer and prefixes locally originated via network statements or redistributed B . all prefixes in its routing table C . prefixes received from EBGP peers and prefixes locally originated via network statements or redistributed D . prefixes received from EBGP peers and prefixes received from route reflectors E . prefixes received from other IBGP peers， prefixes received from EBGP peers，and prefixes redistributedto BGP F . prefixes received from other IBGP peers and prefixes received from route reflector

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颈动脉窦反射()颈动脉体反射()肠系膜血管反射()眼心反射()

A . A．血压下降 B . B．心率减慢 C . C．两者均有 D . D．两者均无

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Which three statements about BGP confederation and route reflectors are true？（）

A . Clusters are used in confederation schemes to avoid loops. B . BGP network can have a confederation within a route reflector area. C . An internal BGP network cannot have a route reflector within a confederation. D . An internal BGP network can have a route reflector within a confederation. E . Clusters are used in route reflector schemes to avoid loops. F . BGP network cannot have a confederation within a route reflector area.

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If your vessel were proceeding down river (descending)，a green square marker with a green reflector border on the right bank would be a（）.

A . mile board B . dredging mark C . passing daymark D . crossing daymark

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人一般在出生（）后脑干水平的反射消失，脑干水平的反射包括阳性支持反应、颈紧张性反射、紧张性迷路反射、抓握反射、翻正反射等，脑性瘫痪患儿的这种反射往往持续很长时间不消失。

A、18个月 B、1年 C、6个月 D、8个月 E、3个月

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颈动脉窦反射属于（）A.深反射B.浅反射C.病理反射D.自主神经反射E.正常反射

A . 颈动脉窦反射属于 B . 深反射 C . 浅反射 D . 病理反射 E . 自主神经反射 F . 正常反射

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What best explains the BGP route-reflector function？（）

A . BGP route-reflector should be in forwarding path of data coming from its clients B . BGP route-reflector does not have to be in the forwarding path of data coming from its clients C . BGP route-reflector will stop reflecting the routes if they’re not directly-connected clients D . None of the above

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Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is not configured as a route reflector？（）

A . prefixes received from any other BGP peer and prefixes locally originated via network statements or redistributed B . all prefixes in its routing table C . prefixes received from EBGP peers and prefixes locally originated via network statements or redistributed D . prefixes received from EBGP peers and prefixes received from route reflectors E . prefixes received from other IBGP peers， prefixes received from EBGP peers， and prefixes redistributed to BGP F . prefixes received from other IBGP peers and prefixes received from route reflector

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Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is not configured as a route reflector？（）

A . prefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributed B . all prefixes in its routing table C . prefixes received from EBGP peers and prefixes locally originated via network statements or redistributed D . prefixes received from EBGP peers and prefixes received from route reflectors E . prefixes received from other IBGP peers， prefixes received from EBGP peers，and prefixes redistributed to BGP F . prefixes received from other IBGP peers and prefixes received from route reflector

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What action will a BGP route reflector take when it receives a prefix marked with the community attribute NO ADVERTISE from a client peer？（）

A . It will advertise the prefix to all other client peers and non-client peers. B . It will not advertise the prefix to EBGP peers. C . It will only advertise the prefix to all other IBGP peers. D . It will not advertise the prefix to any peers.

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非条件反射是人体（）基本反射活动；条件反射是（）反射活动。

A . 先天的；后天的 B . 后天的；先天的 C . 先天的；先天的 D . 后天的；后天的

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Radar reflectors are required for（）.

A . all fishing vessels over 39 feet in length B . sail-propelled fishing vessels C . all fishing vessels of less than 200 GT D . wooden hull fishing vessels with a poor radar echo

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The fitting of an efficient radar reflector is likely to considerably increase the ship’s probability of（）.

A . detection B . being detected C . the detective D . the detected

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生理反射分为浅反射和深反射，深反射包括（）

A . A.角膜反射 B . B.腹壁反射 C . C.跖反射 D . D.膝腱反射 E . E.肛门反射

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膝反射中枢()Hoffmann反射中枢()肱二头肌反射中枢()肱三头肌反射中枢()

A . A．C B . B．C C . C．C D . D．C -T E . E．L

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下列反射中不属于深反射的是（)A、肱二头肌反射B、肱三头肌腱反射C、腹壁反射D、膝反射E、踝反射

下列反射中不属于深反射的是() A、肱二头肌反射 B、肱三头肌腱反射 C、腹壁反射 D、膝反射 E、踝反射