题目内容
If you saw a movie but only thought it was so-so, you can say: "Yeah, it was OK."
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The question “Did you see” is used when asking about movies rather than “Have you seen... ”, because you’re asking about the person’s present state.
To ask what the other person thought of the movie. You can just say: "What did you think of it? "
根据发现路由和计算路由的方法来区分，距离矢量协议关注（ ） 。
基于贝尔曼－福特算法，通常以一定的时间间隔向相邻的路由器发送完整的路由表。配置简单，扩展性较差，这种路由协议指（ ） 。
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