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It’s the second of F1．. It’s Jim’s birthday. His parents don’t go to w2． today. After school Jim goes home. His cousin, Lucy is w3． for him. His parents are getting ready for the birthday party. There’s a big cake on the table. There are eleven candles on the table. Three boxes are near the cake. One is big. Two are small. Jim is standing near the table. They are s4． a birthday song for h5．. Then Jim blows out the candles and cuts the cake. Look, Lucy and his parents are e6． cakes. They’re very h7．. Jim opens the boxes. Woo! A ship is in the big box. A toy car and a toy bear are in the small boxes. Jim likes t8． very much.
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
