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Hello, I’m Bob. I’m a coach. I like playing sports. I go to work by bike, because it’s good exercise. My father is a police officer. He goes to work by car. He likes singing. My mother is a head teacher. She likes listening to music. She often goes to work by subway. But sometimes she goes to work by taxi. My sister Jenny likes dancing. She is a factory worker. She goes to work by bus. My brother Ben is a pilot. He goes to work by subway. He likes doing word puzzles. Our family is big and happy.
1．There are six people in Bob’s family.2．Bob’s father is a head teacher.
3．Bod’s sister goes to work by bus.
4．Bob’s mother often goes to work by taxi.
5．Bob’s brother is a pilot. He likes listening to music.
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
