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Câu hỏi :

Last year thieves broke into a Scottish stately home and stole only one thing: a rhino horn trophy, which at 1.5 meters was the longest in the world. Meanwhile, in China, pharmaceutical factories have been building up (1)___________ of antiques made from rhino horn, for the sole purpose of smashing them to powder to make the (2)___________ ingredient of many of their medicines. And in Zimbabwe, 34 poachers died in 1990 in the search for the black rhino.