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Once upon a time, there was a thief (小偷). He always stole (偷) from rich families. After stealing, he would leave his mark (记号) on the wall. He was known as Mr Here I Come. One day, he was caught in the act of stealing. So he didn’t have time to leave his mark. In prison (牢房), he asked the prison guard for help. He gave him a bag of treasures and asked him to let him out for two hours. He stole a family and left his mark again. So the governor (知府大人) thought he couldn’t be Mr Here I Come and let him go. But within half a day, he was arrested again.
1．The thief liked leaving his mark on the wall after stealing.2．The thief gave a bag of treasures to the governor.
3．The thief always stole from rich families.
4．One day, the thief forgot (忘记) to leave his mark.
5．At last, the thief was in the prison again.
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
