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John: Hello.
Mike: Hello, John. This is Mike. What are you doing?
John: I’m watching TV. What are you doing?
Mike: I am cleaning the room.
John: What is your mother doing?
Mike: She is washing clothes.
John: Do you want to play football?
Mike: Sure. When?
John: 9:00 a. m.
Mike: OK.
1. John is __________ ___________.
2. Mike is __________ __________ __________.
3. Mike’s mother is __________ __________.
4. John and Mike are going to __________ __________.
5. They will meet at __________ a. m.
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
