首页
登录
职称英语
When an invention is made, the inventor has three possible【C1】______of actio
When an invention is made, the inventor has three possible【C1】______of actio
游客
2025-04-28
30
管理
问题
When an invention is made, the inventor has three possible【C1】______of action open to him: he can give the invention to the world by publishing it, keep the idea【C2】______, or patent it.
A【C3】______patent is the result of a bargain【C4】______between an inventor and the state, but the inventor gets a limited period of monopoly and publishes full details of his invention to the public after that period【C5】______
Only in the most exceptional circumstances【C6】______the lifespan of a patent【C7】______to alter this normal process of events.
The longest extension ever【C8】______was to Georges Valensi; his 1939 patent for color TV receiver circuit was extended until 1971 because for most of the patent’ s normal life there was no color TV to【C9】______and thus no hope for reward for the invention.
Because a patent remains permanently【C10】______after it has terminated, the shelves of the library attached to the【C11】______office contain details of literally millions of ideas that are free for anyone to use and, if【C12】______than half a century, sometimes even re-patent. Indeed, patent experts often advise anyone【C13】______to avoid the high cost of conducting a search through【C14】______patents that the one sure way of violation of rely other inventor’s right is to plagiarize a dead patent. Likewise, because publication of an idea in any other form【C15】______invalidates further patents on that idea, it is traditionally【C16】______to take ideas from other areas of print. Much modern technological advance is【C17】______on these presumptions of legal security.
Anyone closely【C18】______in patents and inventions soon learns that most "new" ideas are, in fact, as old as the hills. It is theft reduction to commercial practice, either through necessity or dedication, or through the availability of new technology, 【C19】______makes news and money. The basic patent for the theory for magnetic recording dates back to 1886. Many of the original ideas behind television originate【C20】______the late 19th and early 20th century. Even the Volkswagen rear engine car was anticipated by a 1904 patent for a cart with the horse at the rear. [br] 【C7】
选项
A、extending
B、will extend
C、extended
D、to be extended
答案
C
解析
本题应选C。该句的正常语序为The lifespan of a patent is extended to alter this normal processof this events,所以本题应选C。
转载请注明原文地址:https://tihaiku.com/zcyy/4057098.html
相关试题推荐
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
Whenaninventionismade,theinventorhasthreepossible【C1】______ofactio
随机试题
A.actuallyB.calculatingC.conductingD.conformedE.criticall
[originaltext]Georgehadstolensomemoney,butthepolicehadcaughthimandh
______seembold,shewaitedforhimtoinvitehertodance.A、WishingnotB、Towi
关于砂的细度模数表述正确的选项是()A.细度模数适中的砂具有更好的级配
血中胆红素的主要运输形式是()。A.胆红素-白蛋白 B.胆红素葡萄糖醛酸酯
(2015)隧道施工控制网的主要作用是()。A.控制隧道的长度 B.
患者女,24岁,已婚。平素月经规律,此次月经过期15天,自觉恶心,呕吐严重,检查
( )是由于过去的决策所引起的,已经发生的成本,它们无法由现在或将来的经营决策
按自我意识发展理论,生理自我的成熟年龄是()。 A.3岁以前B.3岁左右
为观察麻疹减毒活疫苗的流行病学效果,经过一个流行期后获得以下结果:疫苗的效果指数
最新回复
(
0
)