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| are bed on Is it isn't under Where Where's They're |
Su Hai and Su Yang are in their new home.
Su Hai: Where are my pencils?
Su Yang: They're 1． the desk.
Su Hai: 2． my schoolbag?
Su Yang: 3． on the bed?
Su Hai: No, it 4．.
Su Yang: Oh, it's 5． the desk. 6．7． my dolls?
Su Hai: 8． on the bed. Where's my toy panda?
Su Yang: Your toy panda is under the 9．.
Su Hai: Let's tidy up(整理)our room.
Su Yang: OK.
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
