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【单选题】
协议是______之间进行通信的规则或约定。___
A. 同一结点上下层
B. 不同结点
C. 相邻实体
D. 不同结点对等实体
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答案
D
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This kind of exercise will ___ your creativity, renew your energy, and unlock your potential.
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I’ll be happy to help you, ___ you won’t take up too much of my time.
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He makes his students ___ knowledge through various kinds of interesting activities.
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___ they have written about the behaviors of animals is hardly anything new.
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The investigation ___ evidence of a large-scale illegal trade in wild birds.
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