根据要求改写句子。

1. She does her homework carefully. (改为否定句)

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2. My mother usually goes shopping on Sundays. (改为一般疑问句)

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3. Liu Tao often reads magazines after school. (对画线部分提问)

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4. I go to school from Monday to Friday. (用Nancy作主语改写句子)

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某地一年内平均每2000人中出生并成活了40个婴儿，死亡22人，该地区在这一年中的人口自然增长率是……………           ( )

A.1.2％         B.0.9％       C.1.1％        D1.8％