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P: What’s the date today, Daddy?
D:
P: We are going to have a Sports Day. Who will run 800 meters?
D:
P: Great. What are you going to take with you?
D:
After Sports Day
P:
G: Mrs. King is the first. Our good neighbor.
P: Which floor does she live on?
G:
| A．It’s July 8. |
| B．Who is the winner of 800 meters? |
| C．I will. |
| D．She lives on twelfth floor. |
| E．I’m going to take some water. |
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
