1. These are my friends.(改为单数句)
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2. Sam is tall.Amy is taller.(合并成一个句子)
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3. It wasn’t fat then. (同义句)
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4. He was naughty then. (变为一般疑问句)
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5. This is a book about London.(变为一般疑问句)
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6. Beijing is in the north of China .(对划线部分提问)
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7. It is a very naughty bird.(变为一般疑问句)
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8. Are you fat?(作出否定回答)
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9. She is a clever pupil.(改为否定句)
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10. This is my little sister.(改为一般疑问句,并作肯定回答)
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同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

