B: It’s six o’clock.
A:
B: Do you always have supper at six?
A: No, I don’t. I usually have supper at seven.
B:
A: Soup and vegetables. What about you?
B: I like Chinese dumplings (饺子).
A:
B: Let’s eat dumplings together, OK?
A:
A.Me, too. |
B.What’s the time? |
C.Good idea! |
D.What do you have for supper? |
E.It’s time for supper. |
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