Loading [MathJax]/extensions/tex2jax.js

GMAT 考满分题库

- 语法SC -
In 1995 Richard Stallman, a well-known critic of the patent system, testified in Patent Office hearings that, to test the system, a colleague of his had managed to win a patent for one of Kirchhoff's laws, an observation about electric current first made in 1845 and now included in virtually every textbook of elementary physics.
  • Alaws, an observation about electric current first made in 1845 and 分析该选项
  • Blaws, which was an observation about electric current first made in 1845 and it is 分析该选项
  • Claws, namely, it was an observation about electric current first made in 1845 and 分析该选项
  • Dlaws, an observation about electric current first made in 1845, it is 分析该选项
  • Elaws that was an observation about electric current, first made in 1845, and is 分析该选项
显示答案
正确答案: A

讨论题目 或 发起提问

|

题目讨论

  • 按热度
  • 按顺序

最新提问

Get Microsoft Silverlight
查词 | 笔记