2. 外语
  3. What can we infer from this passage? According to this passage, the standardized measurements were first used ______.

What can we infer from this passage? According to this passage, the standardized measurements were first used ______.

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问题 What can we infer from this passage?
According to this passage, the standardized measurements were first used ______.
选项 A、when the steel beam was developed
B、when the Egyptians built the pyramids
C、when scientists wanted to make specific observation
D、when engineers designed microscopic measuring devices
答案B
解析
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大学英语四级

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