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Mum: The white cap?
Helen: Yes.
Mum: Is it in your bag?
Helen: No, it isn’t.
Mum: Is it under your skirt?
Helen: No, it isn’t. Mum，
Mum: Look, it is on your head (头).
Helen: Oh, my cap is on my head! Thank you, Mum.
1．Helen can’t find(找不到) her ________. ( )
| A．bag | B．cap | C．skirt |
| A．at home | B．in the library | C．on the farm |
| A．red | B．white | C．black |
| A．on Helen’s head | B．in the bag | C．under the skit |
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
