题目内容

在建立下一个连接请求时，为了实现负载平衡，边界路由器会将虚拟地址映射为一个未曾映射过的内部地址或者是使用次数最少的内部地址。阅读以下说明，回答下面问题。设有A，B，C，D四台主机都处在同一个物理网络中，A主机的IP地址是202.155.12.112，B主机的IP地址是202.155.12.120，C主机的IP地址是202.155.12.222，D主机的IP地址是202. 155.12.176。共同的子网掩码是255.255.255.224。【问题2】若要加入第五台主机E，使它能与C主机直接通信，其IP地址的设定范围应是多少

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完全性葡萄胎（完全性水泡状胎块）的组织学特征是什么？

Why does the passage tell us about the long bow

A. It went out of use 300 years ago.
B. It was invented after the short bow.
C. It was discovered before fire and the wheel.
D. It’s still in use today.

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Directions: You are going to hear three conversations. Before listening to each conversation ,you will have 5 seconds to read each of the questions which company it. After listening, you will have time to answer each question by choosing A, B, C or D. You will hear each conversation ONLY ONCE. Mark your answers in your test booklet. Questions 11 ～ 15 are based on the following passage. Who was Clarence Nash

A. The writer of the Wise Little Hen.
B. A cartoonist.
C. The director of the Wise Little Hen.
Donald Duck’s voice.

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卵巢表面上皮肿瘤主要分哪几类（至少列出6类）？

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