A: Hi. Mom! What are you doing?
B:
A: That’s good. I am hungry now.
B: We have fish, vegetables and rice.
A:
B: Sure.
A: Yes, of course.
B: You are very helpful. I want to cut the vegetables.
A:
B: Thank you, dear.
A.Would you please pass me the knife? |
B.What’s for lunch? |
C.I am cooking in the kitchen. |
D.Here you are. |
E.Can you wash the vegetables? |
F.Wow, my favourite food is fish. |
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