【判断题】【消耗次数:1】
铜、铁、铬这三种元素均为人体的必需微量元素。
正确
错误
参考答案:
复制
纠错
相关题目
【单选题】 人体必需微量元素包括( )。
①  硫、铁、氯
②  碘、镁、氟
③  铁、铬、钴
④  钙、锌、碘
【判断题】 锰元素不是人体必需的微量元素。
①  正确
②  错误
【判断题】 碘属于人体的必需微量元素。
①  正确
②  错误
【单选题】 下列元素中哪一种不是人体的必需微量元素?
① 
② 
③ 
④ 
【单选题】 必需微量元素
① 
② 
③ 
④ 
⑤  负离子
【单选题】 ()元素是微量元素。
① 
② 
③ 
④ 
【单选题】 微量元素是指
①  人体含量很少的元素
②  食物中含量很少的元素
③  自然界含量很少的元素
④  人体吸收率很低的元素
⑤  人体利用率很低的元素
【单选题】 人体内含量最多的微量元素是
①  维生素D
②  维生素B1
③ 
④  维生素A
【判断题】 钙是人体内含量最多的一种微量元素。
①  正确
②  错误
【判断题】 硒作为微量元素对人体的作用不太大。
①  正确
②  错误
随机题目
【单选题】 Mary regretted not ____ to John’s birthday party last Sunday.
①  going
②  to go
③  having been going
④  to be going
【单选题】 26. We regret to inform you that the materials you ordered are out of____ .
①  work
②  reach
③  practice
④  stock
【单选题】 It’s no use just telling me to do it. Suggest some ____ ways to do it.
①  positive
②  belief
③  attitudes
④  shapes
【单选题】 As a result of the unfavorable working conditions, the project has to be put off ____ .
①  temporarily
②  tremendously
③  traditionally
④  typically
【单选题】 11. I prefer ____ dinner when we arrive there.
①  having
②  to have
③  taking
④  to take
【单选题】 As a teacher of elementary school, you should be patient ____ those pupils.
①  of
②  with
③  for
④  at
【单选题】 ____ the whole, it was a successful evening.
①  On
②  At
③  From
④  In
【单选题】 ____, the more you are aware of content and meaning.
①  The more words you are familiar to
②  The more words you are familiar with
③  You are familiar to more words
④  You are familiar with more words
【单选题】 The English teacher strongly advises that every student ____ an all English dictionary.
①  to buy
②  buying
③  in buying
④  buy
【单选题】 Only about one out of twelve of the young men and women of this country ____ college education.
①  receive
②  receives
③  have received
④  have been received