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【单选题】
以下关于OSI参考模型的描述中,错误的是A.
物理层为组成帧的二进制比特流传输提供服务
B.
数据链路层使用得原始的物理线路成为无差错的数据链路
C.
网络层实现路由选择、分组转发、流量与拥塞控制等功能
D.
应用层为分布式进程通信之间提供点对定数据传输服务
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举一反三
【单选题】He raised his gun, pointed it to a deer and aim, shot at it.
A.
took careful
B.
taking careful
C.
to take careful
D.
taken careful
【单选题】Policeman James left the station just after 8:30 a. m. on Sunday July 5. He had spent a quiet night on duty and was looking forward to his rest day. As usual he took a short cut down the path behind D...
A.
He usually discovered something suspicious along that way.
B.
He had an appointment with a man at number 25, Dugby Road.
C.
He chose to go that way by chance.
D.
He knew he would get home quicker that way.
【单选题】下列细胞周期的排序正确的是（ ）。
A.
G1, S, 前期，中期，末期
B.
S, G1, 前期，中期，末期
C.
前期，中期， S, G1
D.
末期，S, G，中期，前期
【简答题】VRRP路由器有哪三种状态？
【单选题】Policeman James left the station just after 8:30 a. m. on Sunday July 5. He had spent a quiet night on duty and was looking forward to his rest day. As usual he took a short cut down the path behind D...
A.
He usually discovered something suspicious along that way.
B.
He had an appointment with a man at number 25, Dugby Road.
C.
He chose to go that way by chance.
D.
He knew he would get home quicker that way.
【简答题】在西方, 和 时代是休闲的大发展时期。
【判断题】"The American Dream" fueled Karcher's drive to succeed in his drive-in restaurant.
A.
正确
B.
错误
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