—_____________
A. I’m fine. Thank you. B. I’m happy.
—_____________
A. Glad to meet you, too. B. Nice to meet you, too.
—____________
A. That’s all right. B. That’s OK.
—_____________
A. You’re welcome. B. Thanks.
—__________
A. OK, let’s. B. Let’s.
—______________
A. Yes, I can. B. No, I can’t.
—I’m from __________
A. China. B. the USA.
—____________
A. No, thank you. B. Yes, please.
—_____________
A. After you. B. Thank you.
—____________
A. Oh, yucky! B. Oh, yummy!
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