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Hello, I’m Lily. This is a girl. Her name is Betty. She is my good friend. She is eleven years old. She is tall and thin. She has long hair and a big mouth. She is quiet. She likes music. Sam is her brother. He is nine years old. He has short black hair and big eyes. He’s short and thin. He likes painting. Betty, Sam and I are good friends.
1．Betty is nine years old. （_____）2．Betty is tall and thin. （_____）
3．Sam is Lily’s brother. （_____）
4．Betty is quiet. （_____）
5．Sam has short hair and big eyes. （_____）
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
