A. Good luck for the future! I'll miss you.
B. You're a naughty boy. But you're helpful. I will miss you.
C. We had a wonderful time together! Best wishes to you!
A. Yes, he does. B. No, he doesn't. C. No, he likes basketball games.
A. Yes, he does. B. No, he doesn't. C. No, he always calls his friends.
A. Happy Birthday! B. Good luck for the future! C. Best wishes to you!
A. There are about sixty. B. There are about fifty. C. There are about forty.
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