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  3. The American patent system, provided for in the Constitution, was designed to encourage the creation and use of new technology.

The American patent system, provided for in the Constitution, was designed to encourage the creation and use of new technology.

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问题     The American patent system, provided for in the Constitution, was designed to encourage the creation and use of new technology. An inventor would describe the invention, both in writing and with drawings, and【B1】______the description with a model to a government official. If the invention was judged to be【B2】______and beneficial, the official would give the inventor a patent. The patent meant that for 14 years the inventor owned the new invention. Inventors could【B3】______their ideas to manufacturers or just use them themselves. The government would not【B4】______any other patent for the same idea, and the inventor could【B5】______anyone of using the patented idea with - out paying the owner of the patent for【B6】______to use it.
    A useful patent meant that the inventor could make a lot of money. In exchange for this governmental protection, the government published the patent【B7】______, which had to provide enough information so that other people could understand the invention - thus adding to the general【B8】______technological knowledge. And at the end of the 14 years, anyone could use the invention for【B9】______The idea behind the patent system was twofold: it would increase the amount of technology, by providing a way for people to make money out of new ideas, and it would make new technology widely available, by publicizing ideas that might【B10】______be kept as trade secrets.
[A]license[B]however[C]accuse[D]submit[E]convenient
[F]permission[G]enable[H]free[I]specifications[J]yield
[K]issue[L]charge[M]available[N]otherwise[O]original
【B1】
选项
答案D
解析 此处需要一个动词。本句叙述申请专利的程序：申请人中请专利时需要对发明进行具体描述，然后将描述和样品一同提交政府官员，故填submit一词。
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