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Hello! I am Kathy. Let me introduce (介绍) my family to you. My father is a police officer. He often goes to work by car. He likes doing kung fu. My mother is an English teacher, her hobbies are listening to music and dancing. She goes to work with my father. My sister Nancy likes playing the piano, she is an artist and she goes to work by taxi. I am a student. I often go to school with my little sister Dora. We like the school, we have many friends, and we are so happy!
1．There are four people in Kathy’s family.2．Kathy’s father is a pilot.
3．Kathy’s mother goes to work by car.
4．Kathy’s sister Nancy likes playing the pipa.
5．Kathy has many friends at 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
