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【单选题】

男性,20岁。恶心、呕吐3d,剧烈头痛加重1d入院。MR显示小脑下蚓部长T1、长T2信号影,病变可见结节状明显强化,如下图。

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参考解析:
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刷刷题刷刷变学霸
举一反三

【单选题】DATACHIEF C20可以显示众多的监视窗口,但是没有__________。

A.
备用泵汇总显示窗口
B.
控制器和阀位状态显示窗口
C.
电站管理窗口
D.
舵角运行历史记录窗口

【单选题】在一台Cisco路由器上执行show access-lists命令显示如下一组信息 Extended IP access list port4444 permit icmp 202.38.97.0,wildcard bits 0.0.0.255 any deny icmp any any deny udp any any eq 1434 deny tcp any any eq 4444 ...

A.
Router(config) # ip access-list extended port4444Router(config-ext-nacl) # deny icmp any anyRouter(config-ext-nacl) # deny udp any any eq 1434Router(config-ext-nacl) # deny tcp any any eq 4444Router(config-ext-nacl) # permit icmp 202.38.97.0 0.0.0.255 anyRouter(config-ext-nacl) # permit ip any any
B.
Router(config) # access-list port4444 permit icmp 202.38.97.0 0.0.0.255 anyRouter(config) # access-list port4444 deny icmp any anyRouter(config) # access-list port4444 deny udp any any eq 1434Router(config) # access-list port4444 deny tcp any any eq 4444Router(config) # access-list port4444 permit ip any any
C.
Router(config) # ip access-list extended port4444Router(config-ext-nacl) # permit 202.38.97.0 0.0.0.255 any icmpRouter(config-ext-nacl) # deny any any icmpRouter(config-ext-nacl) # deny any any udp eq 1434Router(config-ext-nacl) # deny any any tcp eq 4444Router(config-ext-nacl) # permit ip any any
D.
Router(config) # ip access-list extended port4444Router(config-ext-nacl) # permit icmp 202.38.97.0 0.0.0.255 anyRouter(config-ext-nacl) # deny icmp any anyRouter(config-ext-nacl) # deny udp any any eq 1434Router(config-ext-nacl) # deny tcp any any eq 4444Router(config-ext-naci) # permit ip any any