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A: Hi. Amy! What did you do last Sunday?
B:
A:
B: I don’t know.
A:
B: Good idea!
A:
B: At half past nine in the morning.
A:
B: I’m afraid you can’t. It says, “Don’t take photos!”
A: Oh, I see.
| A．Let’s watch a show in the museum. |
| B．What will you do this Sunday? |
| C．I did my homework. |
| D．When will we go? |
| E．Can I take pictures in the museum? |
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
