单词：Kilninian
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Cats and Man Cats struck a bargain with 1 man about 5,000 years ago when he shifted from a nomadic 2 to an agrarian 3 society. As man began to farm, he stored grain. The grain attracted rodents 4 , wh
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HARI SREENIVASAN: As we reported yesterday, the nation's largest egg-producing state, Iowa, has declared a state of emergency following a major outbreak of the avian flu. Millions of chickens and turkeys there and in Wisconsin and Minnesota have been
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Although there are many handicraft centers in Russia, only one town can be called its capital. About five hundred kilometers to the east of Moscow, the town of Semenov is renowned for producing khokhloma --- a very special style of Russian wood paint
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In hot countries bricks are often used which have simply been dried in the sun in this way. But these sun-dried bricks will not stand much rain: the water soaks into them, and they once more become lumps of soft clay. 在炎热的地区，以前经常把
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