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ID：9121-12834
_________ through a telescope (望远镜), the most prominent parts of the Martian surface are the white polar (极地的) caps.
A. Seeing B. When seeing C. Seen D. Having seen
ID：9121-12406
Before he started work, I asked the builder to give me an _____ of the cost of repairing
the roof.
A. assessment B. estimate C. announcement D. evaluation
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ID：9121-12946
If we ________ our relations with that country, we’ll have to find another supplier of raw materials.
A) diffuse B) diminish C) terminate D) preclude
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ID：9121-13002（本题为引用材料试题，请根据材料回答以下问题）
The development of modern communications technology in developing countries may ________.
A) hinder their industrial production
B) cause them to lose control of their trade
C) force them to reduce their share of exports
D) cost them their economic independence
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ID：9121-12973
Passage 1
Cyberspace，data superhighways, mullet media-for those who have seen the future, the linking of computers, television and telephones will change our lives for ever, Yet for all the talk of a forthcoming technological utopia little attention has been given to the implications of these developments for the poor. As with all new high technology, while the West concerns itself with the “how,” the question of “for whom” is put aside once again.
Economists are only now realizing the full extent to which the communications revolution has affected the world economy. Information technology allows the extension of trade across geographical and industrial boundaries, and transitional corporations take full advantage of it. Terms of trade, exchange and interest rates and money movements are more important than the production of goods. The electronic economy made possible by information technology allows the haves to increase their control on global markets-with destructive impact on the have-nots.
For them the result is instability. Developing countries which rely on the production of a small range of goods for export are made to feel like small parts in the international economic machine. As “futures” are traded on computer screens, developing countries simply have less and less control of their destinies.
So what are the options for regaining control? One alternative is for developing countries to buy in the latest computers and telecommunications themselves-so-called “development communications” modernization. Yet this leads to long-term dependency and perhaps permanent constraints on developing countries’ economies.
Communications technology is generally exported from the U.S., Europe or Japan; the patents, skills and ability to manufacture remain in the hands of a few industrialized countries, It is also expensive, and imported products and services must therefore be bought on credit-credit usually provided by the very countries whose companies stand to gain.
Furthermore, when new technology is introduced there is often too low a level of expertise to exploit it for native development. This means that while local elites, foreign communities and subsidiaries of transitional corporations may benefit, those lives depend on access to the information are denied it.
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ID：9121-12994（本题为引用材料试题，请根据材料回答以下问题）
According to the passage, birds often half sleep because ________.
A) they have to watch out for possible attacks
B) their brain hemispheres take turns to rest
C) the two halves of their brain are differently structured
D) they have to constantly keep an eye on their companions
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