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Mary is my new friend. She’s 11 years old. She’s from New York. Now she’s in Beijing. She goes to school by school bus every day. Her father is a doctor. He usually goes to work by subway, but walks back home. Mary’s mother is a nurse. She usually goes to work by car, but sometimes she rides a bike to work. That’s good exercise.
1．Mary is a Chinese girl.2．Mary goes to school by school bus.
3．Mary’s father goes back home by subway.
4．Mary’s mother is a nurse.
5．Sometimes Mary’s mother drives a car to work.
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
