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职称英语
Which of the following statements is the most appropriate title for the passage?
Which of the following statements is the most appropriate title for the passage?
游客
2023-12-24
45
管理
问题
Which of the following statements is the most appropriate title for the passage? [br]
The Global Positioning System(GPS)has become indispensable for soldiers, pilots, hikers, yachtsmen, even bankers, ever since the U.S. Department of Defense started filling the sky with satellites about 25 years ago, in order to improve navigation for fighters, bombers and warships. More recently, GPS has allowed the development of precision-guided weapons, the smart bombs that home in on targets: between Serbia four years ago and this year’s Iraq war, the proportion of such bombs used rose from no more than 3 percent to at least 60 percent.
However, the GPS is also an essential prop to countless civil applications; for every military user, there are now 100 civilian users. It provides not only satellite-navigator systems in cars and boats; it is used by Internet service providers, by banks and by surveyors. One day it might be used by air traffic control systems to permit "free flight", in which pilots of commercial aircraft find their own route and stay clear of other aircraft, without the cumbersome business of radio telephone contact with controllers on the ground.
选项
A、Less than 6%.
B、More than 6%.
C、More than 3%.
D、Less than 3%.
答案
C
解析
数字信息的找寻和判断。根据题干对数字信息的要求找到原文有关部分“…the proportion of such bombsused rose from no more than 3 percent to at least 60 percent”即“这一比例从仅仅3%上升到至少60%”,由此可见这一上升区间的最低值为大于等于3%,因此选项C的说法符合原文含义,是正确答案。
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