【判断题】It is a little bit difficult for the old couple to get by such a small pension.
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【判断题】He is pursuing to his studies at the university.
A. 对
B. 错
【判断题】Let me use another example to illustrate this difficult point.
A. 对
B. 错
【判断题】She decided to invest $10,000 on the gas industry.
A. 对
B. 错
以下关于IP协议特点的描述中,错误的是
A. IP协议是点对点的网络层通信协议
B. IP协议提供的是一种“经历而为”的服务
C. 无连接并不意味着IP协议不能保证每个IP分组发送后的状态信息
D. 不可靠意味着IP协议不能保证每个IP分组都能够正确的到达目的的节点