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B: Let me see. Are they in the box?
A: No, they aren't.
B: Are they under the bed?
A: No, they aren't.
B: Are they in the washing machine?
A: No, they aren't.
B: Ha! Ha! I know!
A: Where are they?
B: They are in your hands.
1．The trousers are in the box.
2．The trousers are under the bed.
3．The trousers are not in the washing machine.
4．The trousers are on the child's desk.
5．The trousers are in the child's hands.
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
