Watchers doubted if any of the vehicles could finish the race because        ．

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• 1What is the best title for the passage、

  A.Laos: slow-developing nations

  B.Laos: small steps forward

  C.Laos: least-developed land

  D.Laos: landlocked country

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• 2According to the passage, which of the following is NOT a reason for Laos to be hopeful、

  A.There are no fast-food restaurants in the country.

  B.Laos has a variety of tourist attractions.

  C.Information on the Internet is freely accessible.

  D.The government owns all local media.

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• 3What is the most serious limitation on Laos’ economic growth、

  A.The lack of local skilled workers.

  B.A poor transportation system.

  C.Too much foreign ai

  D.D.Too many foreign workers.

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• 4What is putting pressure on the local supply of clean water、

  A.Dust from the road is making the water dirtier.

  B.The population of the area is growing fast.

  C.There are too many taps accessing the water.

  D.The coming summer will dry up rivers and lakes.

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• 5The underlined word “scarce” in paragraph 1 most probably means_________.

  A.valuable

  B.infrequent

  C.rare

  D.missing

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• 6DARPA organized the race in order to        ．

  A.raise money for producing more robotic vehicles

  B.push the development of vehicle industry

  C.train more people to drive in the desert

  D.improve the vehicles for future wars

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• 7From the passage，we know “robotic vehicles” are a kind of machines that        ．

  A.can do effortlessly whatever tasks living things can

  B.can move from place to place without being driven by human beings

  C.can show off their ability to turn themselves upside down

  D.can take part in a race across 142 miles with a time limit

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• 8In the race，the greatest distance one vehicle covered was            ．

  A.about eight miles

  B.six miles

  C.almost two miles

  D.about one mile

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• 9In the last paragraph，the writer implies that there is a long way to go        ．

  A.for a robotic vehicle to finish a 142-mile race without any difficulties

  B.for a little child who has just learned to walk to reach the cookie on the table

  C.for a robotic vehicle to deal with a simple problem that a little child can solve

  D.for a little child to understand the importance of wiping apple juice off its face

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