单词：mtm-2 (time measurement method-secondary generation)
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They were born at a time when the very culture was shifting to 1)accommodate them - 2)changing tables in restrooms, 3)BABY ON BOARD signs in minivans. Yet, as a group, they led lives that are more 4) ”
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This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? In a laboratory vault outside Paris is a small cylinder of platinumiridium alloy that serves as the standard for all mass measurements worldwide. By an 1889 international
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355. What evidence do you have to say that? W: Have you changed my QQ codes? M: What evidence do you have to say that? W: Only you know my codes. M: You should choose A instead of B for the answer. W: What evidence do you have to say that? M: There i
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A man of the state of Zheng wanted to buy a pair of shoes．He measured his feet and put the measurement on a chair．When he set out for the market he forgot to bring it along．It was after he had found the pair he wanted that this occurred to him．
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'The Fire This Time': A New Generation Of Writers On Race In America AUDIE CORNISH, HOST: In 1963, James Baldwin gave voice to the black American experience of his generation in his essay collection The Fire Next Time. Writer Jesmyn Ward first read t
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