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Hello! My name is Lucy. This is my family. My father is a postman. His name is Leo. He is 40 years old. He is funny. He goes to work by car. He can swim very well. My mother is a nurse. Her name is Mary. She is 37 years old. She is very kind. She goes to work by taxi. She can cook, and she cooks for us every day. I am a student. I’m 9 years old. I am cute. I go to school by bus. I can sing a lot of nice songs. I like Chinese songs very much.
| Name: Age: 40 Character(性格): funny Job: postman Ability(能力): swim Way to work: by car | Name: Mary Age: 37 Character: kind Job: Ability: Way to work: by taxi | Name: Lucy Age: 9 Character: Ability: sing songs Way to school: |
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
