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Mary: Hello, Grandpa. This is Mary.
Grandpa: Hello, Mary.
Mary: It will be windy today.
Grandpa:
Mary: I’ll fly a kite with my friend.
Grandpa: I’ll visit Hyde Park with your grandma.
Mary: Did you have a good time yesterday?
Grandpa:
| A．What will you do? |
| B．And we went to Big Ben yesterday. |
| C．What will the weather be today? |
| D．Yes, we did. |
| E．What about you, Grandpa? |
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
