Anchor（） are used in some installations where the cable lifter rotates about a vertical axis.

A . water B . oil C . heat D . steam

A . They establish routes that will never go down. B . The keep routing tables small. C . They require a great deal of CPU power. D . The allow connectivity to remote networks that are not in the routing table. E . They direct traffic from the Internet into corporate networks.

A . anchor using both anchors B . anchor with scope of 8 or more to 1 C . use a stern anchor D . fit a crown strap and work wire to the anchor

A . Geographical positions outlining the area of the sector B . True bearings as observed from the ship toward the light C . An outline of the area of the sector D . True bearings as observed from the light toward the shi

A . Chains B . Wires C . Ropes D . Line

A . aluminum plates B . lead cathodes C . copper baffle plates D . sacrificial zinc

A . Chain stopper B . Devil's claw C . Hawse ratchet D . Riding pawl

A . Filtering can occur based on Layer 3 information. B . Broadcasts are eliminated. C . Routers generally cost less than switches. D . Broadcasts are not forwarded across the router. E . Adding a router to the network decreases latency.

A . provide elasticity B . increase the strength C . reduce the cost D . reduce the weight

A . Filtering can occur based on Layer 3 information. B . Broadcasts are eliminated. C . Routers generally cost less than switches. D . Broadcasts are not forwarded across the router. E . Adding a router to the network decreases latency.

A . besides B . including C . apart from D . in addition to

A . horizontal axis B . crankshaft C . vertical axis D . camshaft

A . sprocket B . Kenter link C . swivel D . end shackle

A . Filtering can occur based on Layer 3 information. B . Broadcasts are eliminated. C . Routers generally cost less than switches. D . Broadcasts are not forwarded across the router. E . Adding a router to the network decreases latency.

A . Prohibit to anchor B . Prohibited to anchor C . Prohibited from anchor D . Prohibited from anchoring

A．to prevent the user from hostile attacks B．to track down the user on the Internet C．to monitor how popular a Web page is D．to deliver banner ads and junk mailing

To get a hand in is to begin a job, to begin to know something about it. When we learned completely, it will be easy for us. We will be able to do it hands down. If we do the job well, we may end up with the upper hand. That means to be in control or to have gained complete understanding of a situation. On the other hand, if the situation gets out of hand then, it is out of control. Then we may have to hand it to someone, to let someone else take over the business. It is time for us to wash our hands, to end it up completely. You can also lend a hand to someone but without really giving up your hand. You lend a hand when you help someone. You offer them a helping hand. If someone is kind enough to lend us a hand then we surely do not want to bite the hand that feeds us. We do not want to repay his kindness by treating him badly. The expression "to end up with the upper hand" means ______. A．to begin a job B．to be in control C．to be out of control D．to take over the business

A．cargo B．freight C．burden D．lading

To get a hand in is to begin a job, to begin to know something about it. When we learned completely, it will be easy for us. We will be able to do it hands down. If we do the job well, we may end up with the upper hand. That means to be in control or to have gained complete understanding of a situation. On the other hand, if the situation gets out of hand then, it is out of control. Then we may have to hand it to someone, to let some- one else take over the business. It is time for us to wash our hands, to end it up completely. You can also lend a hand to someone but without really giving up your hand. You lend a hand when you help someone. You offer them a helping hand. If someone is kind enough to lend us a hand then we surely do not want to bite the hand that feeds us. We do not want to repay his kindness by treating him badly. The expression "to end up with the upper hand" means ______. A．to begin a job B．to be in control C．to be out of control D．to take over the business

A、extended family B、gay family C、nuclear family D、step-family

此题为判断题(对，错)。

是 否