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问答题Two cyclists are racing up a mountain at different constant rates. Cyclist A is now 50 meters ahead of cyclist B. How many minutes from now will cyclist A be 150 meters ahead of cyclist B? (1) 5 minutes ago, cyclist A was 200 meters behind cyclist B. (2) Cyclist A is moving 25% faster than cyclist B.
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更多 “问答题Two cyclists are racing up a mountain at different constant rates. Cyclist A is now 50 meters ahead of cyclist B. How many minutes from now will cyclist A be 150 meters ahead of cyclist B? (1) 5 minutes ago, cyclist A was 200 meters behind cyclist B. (2) Cyclist A is moving 25% faster than cyclist B.” 相关考题
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The landmark of ( ) is Nuorilang Waterfalls with a drop of more than 20 meters.A. HuanglongB. JiuzhaigouC. Taishan MountainD. Huangshan Mountain
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1000BaseT has a MAXIMUM run distance of:()
A. 25 meters (82 feet)B. 100 meters (328 feet)C. 500 meters (1640 feet)D. 1000 meters (3280 feet)
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11g wireless signals operating at 24GHz has a maximum line of sight range of which of thefollowing?()
A. 460 feet (140 meters)B. 540 feet (165 meters)C. 560 feet (171 meters)D. 840 feet (256 meters)
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The Serial ATA (SATA) cables can extend up to ().
A.10 metersB.5 metersC.1 meterD.100 metersE.15 meters
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Attention is called to the fact that in many cases pipelines are not ______ and charted depths may be decreased by up to 2 meters．A.concealedB.buriedC.existedD.built
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How many token buckets are needed to support a multi-actions policer that meters conforming， exceedingand violating traffic？（）A、1B、2C、3D、4E、5F、6
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1000BaseT has a MAXIMUM run distance of:（）A、25 meters (82 feet)B、100 meters (328 feet)C、500 meters (1640 feet)D、1000 meters (3280 feet)
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---Dead slow ahead! ----Dead slow ahead! （）A、Engine dead slow ahead!B、Engine dead ahead slow!C、Engine slow dead ahead!D、I do it right now
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What is the recommended distance between controller-based access points for support ofroaming？（）A、50 feet [15 meters]B、200 feet [60 meters]C、150 feet [45 meters]D、100 feet [30 meters]
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802.11g wireless signals operating at 24GHz has a maximum line of sight range of which of thefollowing?（）A、460 feet (140 meters)B、540 feet (165 meters)C、560 feet (171 meters)D、840 feet (256 meters)
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The Serial ATA (SATA) cables can extend up to （）.A、10 metersB、5 metersC、1 meterD、100 metersE、15 meters
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问答题How many minutes before midnight is it if one hour ago it was five times as many minutes past 9 pm？
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单选题A towing vessel 30 meters in length is pushing barges ahead. How many white masthead lights is the vessel REQUIRED to show at night?（）A
OneB
TwoC
ThreeD
Four
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单选题---Dead slow ahead! ----Dead slow ahead! （）A
Engine dead slow ahead!B
Engine dead ahead slow!C
Engine slow dead ahead!D
I do it right now
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单选题Attention is called to the fact in many cases pipelines are not buried and charted depth may be decreased（）up to teo meters.A
withB
byC
onD
in
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单选题—How did you play in the match?—Well, our team was ahead by two to zero during the first half, but we _____ in the last ten minutes.A
had lostB
have lostC
were losingD
lost
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问答题If two typists can type two pages in two minutes, how many typists will it take to type 18 pages in six minutes?
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单选题How many token buckets are needed to support a multi-actions policer that meters conforming， exceedingand violating traffic？（）A
1B
2C
3D
4E
5F
6
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问答题If 5 frogs catch 5 flies in 5 minutes, how many frogs are required to catch 50 flies in 50 minutes?
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问答题Two men, starting at the same point, walk in opposite directions for 4 meters, turn left and walk another 3 meters. What is the distance between them?
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单选题—How long is the bridge?—It’s ______.A
300-meter-longB
300-meters longC
300 meters longD
300 meter long
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问答题How many minutes is it before 12 noon if 90 minutes ago it was four times as many minutes past 9 am?
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问答题Two cyclists are racing up a mountain at different constant rates. Cyclist A is now 50 meters ahead of cyclist B. How many minutes from now will cyclist A be 150 meters ahead of cyclist B? (1) 5 minutes ago, cyclist A was 200 meters behind cyclist B. (2) Cyclist A is moving 25% faster than cyclist B.
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单选题Although the cyclist was unhurt, his bicycle was（）between the lorry and the wall.A
crushedB
clappedC
splitD
cracked
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问答题An employee at a company was given the task of making a large number of copies. He spent the first 45 minutes making copies at a constant rate on copier A, but copier A broke down before the task was completed. He then spent the next 30 minutes finishing the task on copier B, which also produced copies at a constant rate. How many total minutes would the task hare taken had copier A not broken down? (1) Copier A produced twice as many copies in its first 5 minutes of operation as copier B produced in its first 15 minutes. (2) Copier B produces 10 copies per minute.
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问答题Practice 2 Until recently, scientists knew little about life in the deep sea, nor had they reason to believe that it was being threatened. Now, with the benefit of technology that allows for deeper exploration, researchers have uncovered a remarkable array of species inhabiting the ocean floor at depths of more than 660 feet, or about 200 meters. At the same time, however, technology has also enabled fishermen to reach far deeper than ever before, into areas where bottom trawls can destroy in minutes what has taken nature hundreds and in some cases thousands of years to build. Many of the world's coral species, for example, are found at depths of more than 200 meters. It is also estimated that roughly half of the world's highest seamounts - areas that rise from the ocean floor and are particularly rich in marine life - are also found in the deep ocean. These deep sea ecosystems provide shelter, spawning and breeding areas for fish and other creatures, as well as protection from strong currents and predators. Moreover, they are believed to harbor some of the most extensive reservoirs of life on earth, with estimates ranging from 500,000 to 100 million species inhabiting these largely unexplored and highly fragile ecosystems.
考题
单选题What is the recommended distance between controller-based access points for support ofroaming？（）A
50 feet [15 meters]B
200 feet [60 meters]C
150 feet [45 meters]D
100 feet [30 meters]
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单选题1000BaseT has a MAXIMUM run distance of:（）A
25 meters (82 feet)B
100 meters (328 feet)C
500 meters (1640 feet)D
1000 meters (3280 feet)
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