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Bob: Hi, Dad.
Dad: Bob,
Bob: Yes. She's in the bathroom now.
Dad: Oh, no. That's OK.
Bob: I think I can tell you, Dad. There's no milk in the fridge.
Dad: OK.
Bob: Yes! But don't tell Mum, please.
Dad: I see. Wait for me. Bye!
| A．She's washing some clothes. |
| B．There's no orange juice either. |
| C．Is Mum at home now? |
| D．Do you want some snacks? |
| E．I just want to know what drinks we need. |
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
