2. 外语
  3. A. industrially polluted soils B. rock and soil chemistry C. naturally polluted soils D. the pathways of metals into the food E.

A. industrially polluted soils B. rock and soil chemistry C. naturally polluted soils D. the pathways of metals into the food E.

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问题 A. industrially polluted soils
B. rock and soil chemistry
C. naturally polluted soils
D. the pathways of metals into the food
E. the element of iodine
F. the persistence of heavy metals
Some diseases are connected with deficiency of______.
选项
答案E
解析 第一段最后一句“A lack of iodine in the human diet leads to some serious disease.”是选择E的依据。
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