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Mark is in the bed. He plays the mobile game (手机游戏). The game has loud music. Mark’s mother and father are in the living room. They sit on the sofa and talk.
“Can you hear something?” asks Mark’s mother.
“Yes, I can hear music,” says Mark’s father.
Mark’s father goes to Mark’s bedroom. “It’s ten o’clock. Go to sleep, Mark.”
“OK.” Mark says.
1．Mark plays the mobile game in the bed.2．The mobile game has loud music.
3．Mark’s mother and brother are in the living room.
4．Mark’s father sits on the sofa and watch TV.
5．Father goes to Mark’s bedroom and talks to Mark.
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
