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问题 单项选择题

按照《城市规划法》的规定，城市规划审批实行( )制。

A．分级审批

B．分类审批

C．逐级审批

D．分别审批

答案

参考答案：A

解析：《城市规划法》第二章第二十一条第四款规定，……市管辖的县级人民政府所在地镇的总体规划，报市人民政府审批。

单项选择题

Each machine supporting TCP has a TCP transport entity, either a library procedure, a user process, or part of the kernel. In all case, it manages TCP streams and （） to the IP layer.A TCP （） accepts user data streams from local process, breaks them into pieces not exceeding 64KB, and sends each piece as a separate IP （） . When datagrams containing TCP data arrive at a machine, they are given to the TCP entity,which reconstructs the original byte streams. The IP layer gives no guarantee that datagrams will be delivered properly, so it is up to TCP to time out and （） them as need be. Datagrams do arrive may well do so in the wrong order, it is also up to TCP to （） them into messages in the proper sequence.

so it is up to TCP to time out and （） them as need be.

A．reassemble

B．reduce

C．re-create

D．retransmit
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判断题

软骨母细胞瘤常位于干骺端，在其间可见不规则钙化和骨化。
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