Zheng wanted to prove that a person can still fulfill his dream even though he doesn't have much money.
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When Zheng was lost one night, an American driver stopped his car and took Zheng to his house to spend the night.
A. 对
B. 错
Zheng's knees were still painful from his injuries, so he thought his journey was not worthwhile.
A. 对
B. 错
局域网的英文缩写()
A. wan
B. pan
C. lan
在局域网中，为网络提供资源，并对网络进行管理的计算机是网络（）。
A. 工作站
B. 服务器
C. 管理机
D. 路由器
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