A:1.___________.I have some pictures from Winter Camp.
B:2.___________.
A: He's Mike.3._____________.
B: What's he doing?
A: 4._____________.
B: He is writing. Who is he?
A:He's Tim.
B:Look! 5.____________.
A:Haha!
A. He's singing.
B. Ted is sleeping.
C. Look, Mum.
D. Who is he?
E. He's from Canada.
A. He's singing.
B. Ted is sleeping.
C. Look, Mum.
D. Who is he?
E. He's from Canada.
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同类型试题
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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
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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
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