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Hi, I’m Peter. I’m a pupil. I’m ten years old. I often go swimming at the weekend. I have Chinese and Maths at school today. I have a brother, Ben. He’s eight. He often goes swimming at the weekend. He has PE, Music and Chinese today. We are happy at school.
( ) （1）Peter is six years old.
( ) （2）Peter often goes swimming at the weekend.
( ) （3）Peter has Maths, Music and Chinese today.
( ) （4）Ben often goes swimming at the weekend.
( ) （5）Ben has PE, Music and Chinese today.
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
