<A>
( )1. How many books do you have?
( )2. How many ducks can you see?
( )3. Can I use you pen?
( )4. Where are you from?
( )5. Who's that man?
<B>
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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 = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴 我要答疑
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