For what purpose did the school ask a retired policeman to offer a class?

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• For what two purposes does the Ethernet protocol use physical addresses? （）

  A . Network A - 172.16.3.48/26 B . Network A - 172.16.3.128/25 C . Network A - 172.16.3.192/26 D . Link A - 172.16.3.0/30 E . Link A - 172.16.3.40/30 F . Link A - 172.16.3.112/30

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• For what two purposes does the Ethernet protocol use physical addresses?（）

  A . to uniquely identify devices at Layer 2 B . to allow communication with devices on a different network C . to differentiate a Layer 2 frame from a Layer 3 packet D . to establish a priority system to determine which device gets to transmit first E . to allow communication between different devices on the same network F . to allow detection of a remote device when its physical address is unknow

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• What’s the purpose of the program?

  A . To keep all the members in the group work together． B . To make the people there understand the meaning of work． C . To find a way to solve the generation gap． D . To help people enjoy their work．

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• For what two purposes does the Ethernet protocol use physical addresses？（）

  A . to uniquely identify devices at Layer 2 B . to allow communication with devices on a different network C . to differentiate a Layer 2 frame from a Layer 3 packet D . to establish a priority system to determine which device gets to transmit first E . to allow communication between different devices on the same network F . to allow detection of a remote device when its physical address is unknow

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• What is the fundamental purpose for imposing radio silence? （）

  A . To ensure that interference to proprietary communications is minimized B . To ensure that only voice communications can be effected on the distress frequency or channel C . To ensure that a distressed vessel will have a "window" twice each hour for transmitting routine messages D . To ensure that interference on a particular frequency or channel to communications concerning emergency traffic is minimized

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• What is the primary purpose for Digital Selective Calling (DSC)?（）

  A . DSC provides reception of weather and navigational warnings plus search and rescue information B . DSC provides low-cost，routine communications for the vessel operator C . DSC is to be used for transmitting and receiving distress alerts to and from other ships or coast radio stations via radio D . This aids SAR authorities in tracking a vessel's position by satellite

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• What are the three general purposes for giving speeches?

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• What did the Thanks-giving Day celebrate for ?

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• What did the religion so for the women?

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• What did the Queen Elizabeth do for the women in culture?

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• 2.What’s the main purpose of the BCC field?

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• What is the possible purpose for holding the exhibition？

  A．To reveal the sufferings of the native Americans B．To make native Americans better understood by people from other cultures C．To demonstrate philosophical achievements by native Americans D．To explore the origin of native Americans

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• What's the purpose for adults to continue their education？

  A．Enlarge their knowledge and learn new skills. B．Catch up the opportunity to get a higher degree. C．Learn more basic knowledge to get a diploma. D．Make themselves live a more comfortable life.

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• What’s the main purpose of the passage？

  A．To inform. people the severity of the millennium bug. B．To accuse some comes for being inactive. C．To advise people to abandon the computers. D．To tell the readers the way to solve the millennium bug problem.

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• Carole O\'Hare thinks that besides honoring the passengers and crew for what they did, the purpose of telling the story is to _________ about security.

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• It’s an activity when the target language is used by the learner for communication purpose （goal） in order to achieve an outcome that can be shared with others. Learners are meaning what they are sayi

  A、Grammar Translation MethoD B、Task-based Learning Approach C、Audio-lingual MethoD D、Total Response MethoD

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• For what purpose is Kafka‘s The Castle mentioned ？ 查看材料

  A.To show people"s behaviors are predictable. B.To describe the nightmare of the story. C.To demonstrate the importance of trust. D.To prove no one can be relied on.

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• What's the main purpose for many student exchange organizations to establish scholarships and special projects？

  A．To reduce the burden of overseas students. B．To add diversity to study overseas. C．To attract students from undeveloped areas. D．To meet the needs of students home and abroad.

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• What is the purpose for Dr. Ariely's experiment done at MIT？

  A、To investigate seemingly irrational human behavior when making a decision. B、To see whether the students know how to play this game C、To judge the students are smart or not D、To let the students earn more bonus(奖金).

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• What did the stranger do after he asked for the second time？

  A．Went home. B．Asked the old man again. C．Began to walk quickly to the village.

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• What did the original word for ketchup mean？

  A．A red tomato sauce. B．A hair shop C．Fish. D．A kind of fish sauce.

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• What did the future look like for Britain' s food production at the time this article was written？

  A．It looks depressing despite government guarantees. B．An expansion of food production was at hand. C．British food producers would receive more government financial support. D．The fall in world food prices would benefit British food producers.

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• What' s the purposes of the team experts to set sail？

  A．Their goal is only to prove the huge wave' s existence. B．They went to study the waves. C．They wanted to ride one as well as to prove its existence. D．They get sail just out of fun.

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• What' s the author' s purpose in writing this passage？

  A．To show the inability of trains to compete with planes with respect to speed and convenience. B．To stress the influence of the automobile on America' s standard of convenience. C．To emphasize the function of travel agencies in market promotion. D．To illustrate the important role of persuasive communication in changing consumer attitudes.

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