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Look! There are so many things on the playground. Whose yellow shirt is it? Oh, it’s Lucy’s. Whose pink dress is it? Oh, it’s Helen’s. Whose red shoes are they? Oh, they’re Alex’s. Whose brown pants are they? They’re Jack’s. Whose black jacket is it? Oh, it’s Tom’s. Please take the things back, children!
1．The yellow shirt is _____. ( )| A．Alex’s | B．Helen’s | C．Lucy’s |
| A．red shoes | B．pink dress | C．black jacket |
| A．yellow shirt | B．red shoes | C．pink dress |
| A．black | B．white | C．brown |
| A．Tom’s | B．Jack’s | C．Helen’s |
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
