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Mom: That's a good idea. But I still have much housework to do.
Tom: I can help, Mom.
Mom: Good boy. I'm washing the clothes now.
Tom: Of course. (Thirty minutes later)
All right, Mom. I finished.
Mom: Great!
Tom: Let's take some beef and bananas.
Mom: Nice boy. But who can take care of our little dog?
Tom:
Mom: I'm afraid that he'll be lost.
Tom: No, he won't. I'll stay with him all the time.
Mom: OK, Sweetie, let's go.
| A．Would you please take him with us, Mom? |
| B．You're very helpful. |
| C．What can I do for you? |
| D．Beef is your favorite food. |
| E．Can you clean the windows? |
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
