問題詳情
【題組】39.What can air pollution do to children?
(A) It will damage cognitive development of children.
(B) It will greatly increase the height of children.
(C) It will cause an increase of blood pressure.
(D) It will add to growth of bones.
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增
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