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Shopkeeper: Can I ____1____ you?
John: Yes. These shoes ____2____ nice. Can I ___3____ them on?
Size 6, please.
Shopkeeper: Of ____4____. ____5____ you are.
Mum: John, are they OK?
John: ____6_____, they’re too samll.
Mum: OK, Let’s try ____7____ 7.
John: They’re just ____8____!
Mum: Good!
1.___________ 2.___________ 3.___________ 4.___________
5.___________ 6.___________ 7.___________
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
