关于零冠词A new study shows that lead-based paint remains a worldwide threat to public health.为什么在 lead-based paint 前面没有冠词呢?
2022-03-11 06:59:16 33次 反馈错误 加入收藏 正确率 : 100%
题目内容：
关于零冠词
A new study shows that lead-based paint remains a worldwide threat to public health.
为什么在 lead-based paint 前面没有冠词呢?
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