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Worker: Hello, Can I help you?
Sam: Yeah, I lost my cap.
Worker: Where did you lose it?
Sam: On the school bus.
Worker: What colour is it?
Sam: It’s blue.
Worker: Oh, is this your hat?
Sam: Yes, it is! Thank you!
Worker: You are welcome!
[[QOrDeR]]Sam lost his cap. （____）
【小题2】Sam lost his cap on the school bus. （____）
【小题3】Sam’s cap is yellow. （____）
【小题4】Sam found his cap with the help of worker. （____）
【小题5】Sam found the cap at last. （____）
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
