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【判断题】
酸碱质子理论认为,凡能给出质子的物质都是碱。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】When Tom was an eight-year-old boy, he went to school near his house. He always went there and came home on foot, and he usually got back on time. But last Friday he came home from school late. His mo...
【简答题】慈善事业;慈善机构;慈善团体
【简答题】慈善机构,慈善事业
【简答题】慈善事业,慈善机构
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