国开题库

国开题库

Is the supermarket ______the right or left?

#A. on#B. in#C. at
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—Is that Jim speaking? —No.___________________

#A. This is Tom.#B. I am Tom.#C. Tom is here.
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Is it made ( ) pure Chinese silk?

#A. on#B. by#C. of#D. in
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—Is it better to be physically attractive or intelligent? — .

#A. Yes, it is very attractive.#B. No, it is not attractive.#C. For me, be intelligent is better, but that depends on.
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–Is anything wrong? You look kind of …upset. – –What happened?

#A. I am. I just had a close call.#B. No. I’m fine.#C. Why do you say so?
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IP协议是运行在开放系统互连参考模型的（）。

#A. 物理层#B. 数据链路层#C. 网络层#D. 传输层
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IP数据报头中用于控制数据报分片和重组的是（）。

#A. 标识字段、选项字段和片偏移字段#B. 选项字段、标志字段和片偏移字段#C. 标识字段、标志字段和片偏移字段#D. 标志字段和片偏移字段
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IPSec协议是开放的VPN协议。对它的描述有误的是：

#A. 适应于向IPv6迁移#B. 提供在网络层上的数据加密保护#C. 支持动态的IP地址分配#D. 不支持除TCP/IP外的其它协议
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In order to make proper reservations, will you send your acceptance to the attention of the General Office______ a week before that day？

#A. no latter than#B. no late than#C. no later than
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If Gardener, who will take care of us?

#A. leaves#B. will leave#C. left
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