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Look, this is a thin boy. His name is John. He is nine. He likes summer. Summer is hot. He likes swimming in summer. His father is a driver. He likes driving his bus. His mother is a doctor(医生). She has a white coat. It’s nice. She likes autumn. She has three dresses for autumn. On dress is green, two dresses are black.
1．John is a boy. He isn’t fat.2．John likes swimming in summer.
3．John’s father is a van driver.
4．John’s mother likes autumn.
5．John’s mother has a white dress.
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
