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An old lady comes to a bank and sees a car near the door. A man goes out of the car and goes into the bank. She looks into the car and the keys are in the lock. The old lady takes the keys and goes into the bank, too. The man takes a knife out of his pocket and says to the clerk (办事员)， “Give me all the money!” But the old lady doesn’t see this. She goes to the man, put the key in his hand and says, “Young man, never leave your keys in your car. Someone is going to steal (偷) it.”
1．An old lady comes to a shop.2．A man leaves his keys in the lock of his car.
3．The old lady gives the keys to the man.
4．Someone steals the man’s car.
5．The old lady wants to steal money.
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
