单选题Two TV cameras _____ eyes of a mechanical man.A are served asB serve asC will be serve asD were serve as

第1题

You install a TV tuner card on your computer. You need to record two different TV shows that runon two different channels at the same time.What should you do?()A.AB.BC.CD.D

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第2题

What are two appropriate uses for Internet Protocol TV broadcasting (IP／TV) technology? ()A.Delivering information about changes in health benefit enrollment to all personnelB.Enabling online collaboration among research personnelC.Enabling an interactive virtual classroom for sales personnel in remote locationsD.Delivering a strategic business update from the CEO to all personnel

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第3题

Cisco IDS sensors form the eyes and ears of your Cisco network intrusion detection system.Placing sensors correctly throughout your network is crucial to successfully implementing your Cisco intrusion detection system . Where can an IPS sensor be placed in an enterprise network?（）A. core layerB. bridging two VLANs on one switchC. between two Layer 2 devices withtrunkingD. between two Layer 2 devices withouttrunking

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第4题

What can we learn from the last two paragraphs?A. More time should be spent on computers.B. Children should be forbidden from watching TV.C. TV sets shouldn’t be allowed in children’s bedrooms.D. Further studies on high-achieving students should be done.

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第5题

A tackle is "two blocked" when the blocks are ______.A.equally sharing the loadB.jammed togetherC.as far apart as possibleD.rove to the highest mechanical advantage

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第6题

Pollution regulations require that each scupper in an enclosed deck area have a ______．A.Wooden plugB.Soft rubber plugC.Two-piece soft patchD.Mechanical means of closing

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第7题

A bridle for an ocean tow consists of ______.A.two chains of equal lengthB.a single nylon pendant rove through a heavy ring free to move on the pendantC.two long legs of wire rope shackled to a fishplateD.a single length of heavy chain with both ends secured on deck to welded pad eyes

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