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[Data Sufficiency]
试题详情
题目：
How many years did Dr. Jones live?
(1) If Dr. Jones had become a doctor 10 years earlier than he did, he would have been a doctor for exactly 2/3 of his life.
(2) If Dr. Jones had become a doctor 10 years later than he did, he would have been a doctor for exactly 1/3 of his life.
选项:
答案:
C
提问：
If Dr. Jones had become a doctor 10 years earlier than he did 这句话到底这么理解？已有的语音说得不明不白不清不楚的
解答：
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阅读1735
提问：
If Dr. Jones had become a doctor 10 years earlier than he did 这句话到底这么理解？已有的语音说得不明不白不清不楚的
解答：
点赞1
阅读1736
提问：
If Dr. Jones had become a doctor 10 years earlier than he did, he would have been a doctor for exactly 2/3 of his life.
这里的did是died的意思吗？
设活到X岁，条件一 2/3*X=10 ,不是可以求出吗？
解答：
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阅读1749
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