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On Saturday, Lucy is at home. She is writing a letter and drawing a picture. Then she is colouring the picture. This is for her friend Fangfang. She is very happy. But Lingling is at school. She is reading a book and listening to music. Then she is playing basketball. She is happy, too.
[[QOrDeR]]Lucy is at home on Sunday. （_______）【小题2】Lucy is writing a letter for Lingling. （_______）
【小题3】Lucy is drawing a picture and isn’t coluring it. （_______）
【小题4】Lingling is reading a book and listening to music. （_______）
【小题5】Lingling is at home, too. （_______）
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
