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问题 单项选择题

未经旅游行政管理部门审核批准，经营旅游业务的，由旅游行政管理部门责令其停止非法经营，没收其违法所得，并处以人民币（）的罚款。

A.3000元以下

B.3000元以上1万元以下

C.5000元以上2万元以上

D.1万元以上5万元以下

答案

参考答案：D

单项选择题

Even though current technologies make the ultimate segmented network impractical, new technologies and products hold the promise of making the concept a reality. Most important of all these new technologies are (66) . The ultimate switched LAN, which is technically possible, now, exhibits the following characteristics:
1. High-speed yet cost-effective switching devices can be implemented on a wide scale, providing dedicated connections for individual users and supporting the aggregate (67) of all networked users.
2. The ability to deploy switching capabilities incrementally into the (68) base. Switching implementations support switching of individual users or groups so that existing users of shared media modules can continue to use the existing equipment until they can justify moving to dedicate switched LAN connections.
3. Support and enhancement of existing routed environments. Switching (69) routint, but rather can be introduced into the network without making any changes to the existing routing equipment or configuration. (70) play a critical role in the integration of switching into existing networks.

A．Routers

B．Devices

C．I/O

D．DSP
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单项选择题

油田污水除硫化氢中，一般只在含有（）时，才利用氯气的反应除去硫化氢。

A.少量硫化氢

B.大量硫化氢

C.与硫化氢含量无关

D.以上都不对
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