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[Sentence Correction]
试题详情
题目：
Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he uickly built his own device from an organ pipe and spectacle lenses.
选项:
A、Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he
B、Galileo had not invented the telescope, but when he heard, in 1609, of such an optical instrument having been made,
C、Galileo, even though he had not invented the telescope, on hearing, in 1609, that such an optical instrument had been made, he
D、Even though Galileo did not invent the telescope, on hearing, in 1609, that such an optical instrument had been made,
E、Even though Galileo did not invent the telescope, but when he heard, in 1609, of such an optical instrument being made, he
答案:
A
提问：
求问金老师：我承认过去完成时不好，但是A选项中on hearing xxx这个十个神马东西啊？结构看起来非常奇怪啊
解答：
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提问：
读完题，ＢＣＤ都扔了，在Ａ和Ｅ中选。最后感觉Ａ的on hearing 比 E的1609 更诡异。最后选的E
解答：
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