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Joe is tall and strong. He is good at sports. He often plays ball games with his friends after school.
John is a happy boy. He likes music. He sings well, and he can play the violin very well. He always listens to music and plays the violin at home. He wants to be a singer in the future.
Ann works at home. She writes books for children. She works hard every day.Lots of kids like her books very much.
Frank is a Chinese teacher. He teaches children how to read and write. He is a loving teacher, every student in his class loves him.
Tom runs very fast, he also jumps very high. He plays football very well. He is a sports star in his school.
wants to be a singer Joe writes books for kids
good at sports John often plays ball games
a sports star in his school Ann listens to music and plays the violin
a writer Frank jumps high and runs fast
a Chinese teacher Tom teaches children how to read and write
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
