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Near the end of a five-day tour of highly automated, high-tech Japanese factories, the American visitor was overwhelmed and feel

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问题    Near the end of a five-day tour of highly automated, high-tech Japanese factories, the American visitor was overwhelmed and feeling a little inferior. Watching a string of gleaming stereo sets move down an assembly line, he turned to the plant manager and said, "Gosh, even your industrial design is better than ours.
   "Ah, yes," replied the manager, "but America has treasures that Japan can never hope to possess."
   "You mean our mineral wealth and bountiful farms?
   "Ah, no. I was referring to Caltech and MIT."
   America’s scientific institutions--its technological universities and government laboratories--are the en vy of the world , producing ideas, devices and medicines that have made the U.S. prosperous, improved the lives of people around the globe and profoundly affected their perception of the world and the universe. This tremendous creativity is reflected in tile technical reports that are published in scientific journals throughout the world. Fully 35 % of them come from scientists doing their research at American institutions.
   Yet American dominance can no longer be taken for granted. Many recent U. S. achievements and a wards stem in large measure from generous research grants of the past, and any weakening of government and industry commitment to support of basic research could in the next few decades cost the nation its scientific leadership. Some slipping is already divalent. In high-energy physics, where Americans once reigned supreme, Western Europe now spends roughly twice as much money as the U. S. Result. the major high-energy physics discoveries of tile past few years have been made not by Americans but by Europeans.
   Even so, money alone cannot guarantee scientific supremacy. Freedom of inquiry, an intellectually stimulating environment and continuous recruitment of the best minds must accompany it. That combination has been achieved in many U.S. institutions--educational, governmental and industrial--but perhaps no where more successfully than at the National Institutes of Health, Bell Laboratories and Caltech.
Which of the following statement is true according to the passage?
选项 A、35% of technical reports published in scientific journals are written by scientist’s doing their research in America.
B、35 % of all scientific journals are issued by American scientific societies.
C、35% of all scientists come from America.
D、35 % of all scientists are doing research at American institutions.
答案A
解析 文章中的35% of them中的them指代的是is reflected in the technical reports中的technical re ports。因此答案就显而易见了。
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