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【单选题】
如下图所示，某公司局域网防火墙由包过滤路由器R 和应用网关F 组成，下列描述中错误的是( )。A.
可以限制计算机C只能访问Internet 上在TCP 端口80上开放的服务
B.
可以限制计算机A仅能访问以“202”为前缀的IP 地址
C.
可以使计算机B 无法使用FTP 协议从Internet 上下载数据
D.
计算机A能够与计算机X建立直接的TCP 连接
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皮皮学刷刷变学霸
举一反三
【单选题】用万用表R×1KΩ挡检测光电二极管,说法错误的是()
A.
遮住光线时,正向电阻小,反向电阻大
B.
遮住光线时,正反向电阻均很大
C.
用光线照射时,反向电阻减小
D.
用光线照射时,反向电阻为无穷大,表明光电二极管损坏
【简答题】挥发酸的缓冲主要靠____,特别是____和____缓冲。
【单选题】I do not advocate building the park near a jetport, which might make people to suffer from defective hearing.
A.
make people suffering from defective hearing
B.
make people suffer from defective hearing
C.
make people suffer defective hearing
D.
make people to suffer defective hearing
【简答题】I (advocate)________ a policy of gradual reform.
【判断题】The poem of Samson Agonistes was “to justify the ways of God to man”, i.e. to advocate submission to the Almighty.
A.
正确
B.
错误
【单选题】I will always stand on your side _____ the others advocate different views from yours. [ ]
A.
as if
B.
so long as
C.
in case
D.
even if
【单选题】I felt that it was _______ to advocate the legalization(合法化) of drugs.
A.
inresponsible
B.
irresponsible
C.
unresponsible
D.
imresponsible
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