结果1 题目4. Computers were a wonderful invention(invent) in the 1920s though they were very huge at that time. 相关知识点: 试题来源: 解析 答案见上4.invention意:电脑是20世纪20年代一 伟 大的发明,即使那时它们的体积还很大。 反馈 收藏 ...
百度试题 结果1 题目 19. Computers were a wonderful invention (invent)in the 1920s though they were very huge at that time. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
解答答案:invention 根据题干Computers…in 1920s though they were very huge at the time.,结合首字母,可知电脑在那时是一项发明.一项发明,a wonderful invention,invention,名词.故填:invention. 点评本题主要考首字母填空,首先要根据句意,再根据首字母,推断空白处所缺的单词是什么.单词确定后,再根据人称,时态,...
“In the 1920s, the life expectancy of a publicly listed company in the USA was some 65 years, by the 1990s this figure has fallen to less than 10 years. Of the companies forming the original list of the Standard and Poor's Index, only one, General Electric, still survives today, and...
The Beginning of a Century of Innovation The early 1900s were marked by a variety of factors that fueled innovation after an already impressive slate ofinventionsin the 1800s. Rapid industrialization spurred by theSecond Industrial Revolution, with developments in steel, electricity, and mass producti...
B. The traffic light was invented in the 1920s. C. The yo-yo was invented by a college student. D. Percy Spencer invented the microwave oven in 1947. 相关知识点: 试题来源: 解析 1.Ballpoint pen:1938是答案提示。 2.Internet:1969是答案提示。 3.Electric chair:Thomas Edison是答案提示。
The electric chair was invented byA. Willis CarrierB. Steve RussellC. Ladislo BiroD. Thomas Edison( D)33. Which of the followin is TRUE according to the chart?A. The helicopter was invented by an American.B. The traffic light was invented in the 1920s.C. The yo-yo was invented by...
It was the invention of the mechanical potato peeler in the 1920s that paved the way for potato chips to soar from a small specialty item to a top-selling snack food. For several decades after their creation, potato chips were largely a Northern dinner dish. In 1921, Bill and Sallie Utz...
This article examines the early history of the media remote control, focusing on the technical development of radio remotes in the 1920s and 1930s. Using a co-evolutionary model of technical change, it considers the technical and social conditions that served as the foundation for the first ...
The Democratization of Invention: Patents and Copyrights in American Economic Development, 1790–1920doi:10.2307/25094688The unique prosperity of the United ... José,María,Ortiz-Villajos - 《Investigaciones De Historia Económica》 被引量: 0发表: 2008年 B. Zorina Khan, ,The Democratization of In...