单词：chert and flint
单词：chert and flint 相关文章
Semper Fi means Always Faithful. Its the motto of the Marine Corps, which is a segment of the US Navy. The Marines do whatever the federal government tells them to do, and the government always talks about how important the Marines are and how gratef
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042 The Flint A soldier was walking down a country road. He was coming back from a battle. He was wearing a knapsack on his back and a big sword on his waist. When he was walking down the road so tired, he found a witch. The witch was sitting right n
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Whether it is mathematics or history, almost everyone has at least one subject they find to be more difficult to understand than other subjects. Some students may not be strong academically, lacking the skills they need to succeed in writing or takin
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AILSA CHANG, HOST: Scientists announced today that they have figured out the cause of an outbreak of Legionnaires' disease in Flint, Mich., a few years ago. Twelve people died. This was at the start of the city's water crisis. And the problem was a l
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AUDIE CORNISH, HOST: It's been two years since the peak of the drinking water crisis in Flint, Mich. The state has spent more than $16 million to distribute free bottled water to residents. That program ends this week even as some residents say they
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AUDIE CORNISH, HOST: Today marks exactly one year since the mayor of Flint, Mich., declared a state of emergency because of lead in the city's drinking water. While the water system as a whole is improving, Michigan Radio's Lindsey Smith reports filt
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