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Peoples attitudes toward work vary. Some live to work. Others, however, work to live. What..
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Many people today use electronic dictionaries instead of printed ones. Some people worry t..
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患者,女,正在超市购物时突然发生呼吸困难,喘息,胸闷,最.....
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Nowadays the Internet is wildly used for studying, shopping, entertainment, etc. on the ca..
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治疗咳嗽痰多、气喘、脘腹胀满、纳呆食少者,应选用的药物是.....
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铁的质量分数为1.20%的样品,经四次检测后,铁的质量分数分别.....
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