Lead（铅）is potentially damaging to childre
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Lead（铅）is potentially damaging to children’s health.
A:harmful B:beneficial C:leading D:ruining
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答案：A
铅对孩子的健康有潜在的危害。harmful“有害的”，例如：the harmful effects of smoking吸烟的坏处。beneficial“有益的”，例如：Fresh air is beneficial to one’s health.新鲜空气有益于健康。lead“通往，导致，带领”，例如：This misprint led to great confusion．这个印刷错误造成很大的混淆。ruin“毁坏”，例如：He ruined his prospects by carelessness．他因疏忽大意而断送了前途。只有harmful意思上和damaging最接近。