按要求改句子。

1. I want to make a snowman. (一般疑问句)

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2. I can find the number in the phone book. (否定句)

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3. Tom, do his homework. (用now改写)

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4. I think Steven wants to come home. (一般疑问句)

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5. Danny likes to play with me. (对划线部分提问)

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患儿男，6岁，因“注意力不集中”来诊。患儿经常分不清左右，绘画、写字时常左右颠倒，平时容易发怒，大哭大闹，有时还有攻击行为。

出现上述症状的病因主要有（）

A.先天禀赋不足

B.肺卫不固

C.营卫失调

D.后天护养不当

E.情志失调

F.遗传