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Hello, I’m Lily. This is a photo of my family. Look, this is my grandma. She’s watching TV. This is my mother. She’s making noodles. This is my father. He’s reading a book about England. This is my little brother. He’s playing with a toy train. Where is my grandpa? Oh, he is taking pictures.
1．This is a photo of Lily’s family. （2．Lily’s grandma is watching TV. （
3．Lily’s mother is talking to her friend. （
4．Lily’s father is reading a book about China. （
5．Lily’s grandpa is playing with a toy train. （
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
