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(1)A. When were you born?
B. I was at home.
C. Where were you born?
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(2)A. What did you do yesterday?
B. Where were you yesterday?
C. It was wonderful.
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(3)A. OK. Good idea!
B. Let's go.
C. Thank you. The same to you!
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(4)A: Wow, he's cool!
B. Yes; he is and he enjoys farming.
C. He's seventy years old
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(5)A. No, I don't.
B: Yes, please.
C. Sure. I'd love to.
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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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