| 40. 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. (A) laws, an observation about electric current first made in 1845 and (B) laws, which was an observation about electric current first made in 1845 and it is (C) laws, namely, it was an observation about electric current first made in 1845 and (D) laws, an observation about electric current first made in 1845, it is (E) laws that was an observation about electric current, first made in 1845, and is 这个句子我能分析的就是 Richard Stallman ..... testified in Patent Office hearings that ....a colleague (宾语从句)...宾语从句里夹了一个 同位语（ laws, an observation about electric current first made in 1845 ） 这是我能分析到的 疑问1. 对于同位语后面的and后面加的句子成分分析不清楚（黄底部分） 疑问2. E选项最后， and is ....的主语是Richard Stallman？（主句主语） 还是 a colleague of his ？ （宾语从句主语） 还是 one of Kirchhoff’s laws？（距离最近的逻辑主语）？ 我知道应该是 one of Kirchhoff’s laws作为它的逻辑主语。 我的问题是如果把E放入句子中，语法角度的主语应该是哪一个？ 求好心人解答！~~ |
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