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【单选题】
关于OSI参考模型各层功能的描述中,错误的是A.
物理层基于传输介质提供物理连接服务
B.
网络层通过路由算法为分组选择传输路径
C.
数据链路层为用户提供可靠的端到端服务
D.
应用层为用户提供各种高层网络应用服务
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反馈参考答案：
举一反三
【单选题】The park is a beautiful place _____ a big lake and many trees.
A.
there is
B.
with
C.
has
D.
have
【单选题】The park is a place __________ people go to walk, play, and relax.
A.
who
B.
which
C.
where
D.
what
【判断题】The Speaker’s Corner inside Hyde Park is a place where members of Parliament meet.
A.
正确
B.
错误
【单选题】The park is a beautiful place that many people come here every day.
A.
so; such
B.
such; so
C.
such; such
D.
so; so
【单选题】The park is a good place for strollers.
A.
carriages
B.
walkers
C.
sprinters
D.
campers
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