◎ 题干
猜谜语。
1. There'e two brothers. One lives on one side(边), and the other is on the other side. ______
When people say something, they can hear. But they can' t see each other(互相).  
2. It is black when it's clean and white when it isn't clean.                      ______
3. It lives in a case. When you want to write something, it can help you.           ______
4. It walks all the time, but never(从不) leaves its place.                        ______
5. It can swim in the water. And it has got a tail(尾巴) and fins(鳍).               ______
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“猜谜语。1. There'e two brothers. One lives on one side(边), and the other is on the other side. ______When people say something, they can hear. But they can…”主要考查了你对  【单词、词组】【可数名词(单数名词,复数名词)】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。