问题
名词解释
氧化铁皮
答案
参考答案：
水或其它杂质对钢铁侵蚀而生成的产物。
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氧化铁皮
参考答案：
水或其它杂质对钢铁侵蚀而生成的产物。
| Choose and fill in the blanks. 选择适当的疑问词填空。 | |
1. — is she doing? —She is reading English. 2. — does Tim go to Canada? —By plane. 3. — do you usually eat lunch? —I usually eat lunch at twelve. 4. — is Dingding? —He is beside the tree. 5. — is the girl in red hat? —She is my cousin. |