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M:
L: I want to ask you some questions.
M: OK. No problems.
L:
M: I am reading a book.
L: What time do you always get up?
M:
L: Well. The Mid-Autumn Festival is coming.
M: I like the ones with nuts.
L: Thank you.
M:
| A．What are you doing now? |
| B．Glad to see you, too |
| C．You’re welcome. |
| D．I always get up at 6:30. |
| E．Which type of mooncakes do you like? |
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
