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Bob: This is Bob. May I speak to Mary?
Mary:
Bob: I want to go to Beijing.
Mary: Yes, I can. When will we go?
Bob:
Mary: When will we arrive in Beijing?
Bob: At 5:50 in the morning on September 21.
Mary: September 21?
Bob: Yes, it’s the Mid-Autumn Festival.
Mary: That’s wonderful! I love the Mid-Autumn Festival.
| A．At 11:30 in the evening on September 20. |
| B．We will visit our grandparents. |
| C．Can you go with me? |
| D．This is Mary. |
| E．It’s the Mid-Autumn Festival. |
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
