A.find your stolen bicycle | B.get your serial number |
C.receive free repair services | D.settle conflicts with walkers |
A.Brakes. | B.A helmet. | C.A headlight. | D.A taillight. |
A.$25 | B.$30 | C.$35 | D.$40 |
A.A guide for safe bicycling on campus |
B.Directions for bicycle tour on campus |
C.Regulations of bicycle race on campus |
D.Rules for riding motor vehicles on campus |
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A.who developed the device |
B.how the device works |
C.several possible uses for the devices |
D.how much electricity the device can produce |
A.It is too heavy for the walker to bear |
B.It is too complex for people to use |
C.It is too expensive for most people to afford |
D.It will slow down one’s walking speed. |
A.produces power without adding more loads to the walker |
B.can produce more power in a much shorter time |
C.needs to be equipped with a battery |
D.can help the walker walk faster |
A.help housewives operate the washing machine |
B.make it much easier for us to go online |
C.produce more electricity than that invented by Larry Rome |
D.be applied in medicine to operate heart pacemakers |
A.First device powered by walking will soon be on the market |
B.Advanced technology brings in a new way to operate heart pacemakers |
C.Device gives new meaning to the idea of power walking |
D.Human energy will become a main source of electricity |
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A.An introduction of a new device. |
B.An introduction of smart-phones. |
C.An introduction of eye-controlling technology. |
D.An introduction of a new technology for the disabled. |
A.a(chǎn) trick | B.a(chǎn) way | C.a(chǎn) lie | D.a(chǎn) dream |
A.the eye-controlling technology was first developed for the blind |
B.the present developing 0f the technology will bring no good |
C.there is no such a phone as we can use only with our eyes at present |
D.the eye-controlling technology is only intended for the disabled people |
A.a(chǎn)n experiment report | B.a(chǎn) science fiction |
C.a(chǎn) school textbook | D.a(chǎn) science website |
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A.iShoot | B.Tube Exits | C.iSteam | D.iPod |
A.they are going to work and have no time to communicate with each other |
B.they love reading books and do not want to be disturbed |
C.they feel sleepy because of getting up early |
D.they’re busy playing games, reading e-books, listening to music or watching films |
A.computers |
B.programs downloaded for the iPhone |
C.computer companies |
D.fortune from London commuters |
A.London commuters are unfriendly to strangers |
B.Apple has earned a lot of money from selling 40, 000 apps |
C.technology is changing how London commuters spend their traveling time |
D.riding a London subway is a must when visiting London |
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Restoring the quakehit ecosystems is a question of balancing the interests of the local people and the environment. Rural methane (沼氣) projects can reduce the number of locals taking firewood from the mountainsides. The use of straw as food for animals will ensure that vegetation(草木) can grow. In Sihai township and Dazhuangke village, in Beijing, they now have a forestry coverage of 85% or more, compared to the 30% they had 15 years ago. Back then, land was used very inefficiently: one person would use 20 mu of forest just for firewood. With those pressures on the ecosystem, no amount of spending on reforestation will succeed. Then the government relocated the population and paid those who remained to tend the forest and provide coal. This reduced the pressures on the ecosystem and it was able to recover naturally.A.forbid locals from taking firewood from the mountainsides |
B.encourage local people to feed their animals just with straw |
C.spend large amounts of money relocating the population |
D.protect the environment without harming locals' interests |
A.pressures on land were reduced | B.a(chǎn) large amount of coal is provided |
C.no people live in that area | D.locals take good care of the forest |
A.local people | B.nature itself |
C.human involvement | D.government's effort |
A.Nature reserves could be helpful to recover the damaged ecosystems. |
B.Centrallyfunded nature reserves are beneficial to local economy. |
C.Some nature reserves are created for the purpose of making money. |
D.The first projects on nature reserves should be set up in quakehit areas. |
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A.a(chǎn)t school | B.over the radio |
C.on TV | D.not all in the same way |
A.together with other subjects | B.for different reasons |
C.for their work | D.for higher studies at colleges |
A.we can learn English easily |
B.English is very difficult to learn |
C.English is learned by most people in the world |
D.English is a useful language but one must work hard to learn |
A.We don’t need to learn any foreign languages. |
B.We can do well in all our work without English. |
C.English is the most important subject in schools. |
D.We should learn English because we need to face the world. |
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A.depression among bus drivers is common |
B.thinking in a positive way helps with work efficiency |
C.bus drivers with pleasant memories tend to be less efficient |
D.the bus drivers’ work efficiency is determined by their mood |
A.It is good for the business but bad for the employees. |
B.It doesn’t work on people who are emotionally expressive. |
C.It is a widely accepted cultural practice in the US. |
D.It causes more harm to women than men. |
A.people should be true to their feelings |
B.smiling helps to put people in a good mood and become more efficient |
C.it is unnecessary to cultivate positive emotions |
D.deep acting can improve mood in the long run |
A.the importance of smiling during face-to-face contact |
B.a(chǎn) new study on fake smiling and its influence on people |
C.suggestions on improving work efficiency |
D.how to cheer up when you are exhausted |
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Imagine a mass of floating waste is two times the size of the state of Texas. Texas has a land area of more than 678 000 square kilometers. So it might be difficult to imagine anything twice as big. A.By giving an example. |
B.By listing the facts. |
C.By telling a story. |
D.By giving a comparison. |
A.It is made up of various kinds of plastic products. |
B.It is a solid mass of floating waste materials. |
C.It lies l60 000 kilometers east of California. |
D.It is described as a kind of oceanic desert. |
A.Because it may prevent the flow of ocean water. |
B.Because the polluted plastic articles will move up the food chain. |
C.Because it may be from an island in the pacific. |
D.Because ships may be trapped in the floating waste. |
A.warn people of the danger to travel in the pacific |
B.a(chǎn)nalyze what caused the waste patch in the pacific |
C.give advice on how to recycle waste in the ocean |
D.introduce the Great Pacific Ocean Garbage Patch |
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A.Latitudes | B.Longitudes | C.Navigators | D.Sailors |
A.the function of latitude | B.the use of the equator |
C.the invention of astrolabe | D.the high quality instruments |
A.To help trade expeditions. | B.To locate a precise place. |
C.To cross the lines of the nearest point. | D.To identify how far a place is. |
A.The map and the globe | B.Latitude and longitude |
C.The equator and the prime meridian | D.Absolute coordinates |
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