【单选题】【消耗次数:1】
下列哪种元素的缺乏会引起人体异食癖 ?
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【单选题】 饮食中长期缺乏下列哪种元素易导致异食癖发生
① 
② 
③ 
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【单选题】 人体缺乏下列哪种维生素,会引起夜盲症()
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【单选题】 下列哪种营养素缺乏会引起巨幼红细胞贫血()
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【单选题】 味觉减退或有异食癖可能是由于缺乏( )。
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【判断题】 当人体缺乏维生素A时会引起脚气病。
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①  正确
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【单选题】 下列人体缺锌的常见体征是?
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②  皮肤粗糙,伤口愈合迁延
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【多选题】 They told us that the company_______________ the law.
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【多选题】 A: I have a headache. I feel weak and tired.B: You ___________ go to see a doctor.
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【单选题】 His new book___ next month.
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【单选题】 The lives of many people have been enriched_________ adult education.
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①  正确
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