1.
阅读短文，判断下列句子是否正确。
I have a big family.There are six people in my family.My grandpa is older than my grandma，and he is taller than her. My father is taller and stronger than my mother. My brother is heavier than me，but my hair is longer than his.
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（1）
My grandma is younger than my grandpa.
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（2）
My grandma is shorter than my grandpa.
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（3）
My father is taller and stronger than my mother.
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（4）
My brother is thinner than me.
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（5）
My brother's hair is longer than mine.
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