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B:
A: That sounds great.
B: But my father is a little sad.
A:
B: Because he can’t take his dog with us.
A: Don’t worry.
B: You are helpful.
A: Of course. I can. Enjoy your visit.
B:
| A．Thank you. |
| B．What will you do? |
| C．Why is he sad? |
| D．I’m feeling happy. |
| E．You shouldn’t tell lies to your parents. |
| F．I can take care of the dog. |
| G．Can you help us water the flowers? |
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
