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An old man comes to see a doctor. He is very young.
“I don't feel well, doctor,” he says. “What’s wrong with me?” The young doctor examines him carefully. But he can’t find anything wrong with the old man. So he says, “I’m sorry, but I can’t find anything wrong with you. You are very healthy.”
“But, but… “the old man says, “I feel really bad.”
“Then come back tomorrow and see me again if you don't feel better.” the young doctor says.
Slowly, he stands up and walks out of the hospital. A few seconds later, the doctor’s nurse runs in.
“Doctor! Doctor!” she cries. “That man died outside the door.”
The doctor thinks quickly. “Then turn the body around so that people will think he was coming in.” he says.
1．The doctor is very young.2．The old man doesn't feel well.
3．The doctor knows what is wrong with the old man.
4．The doctor tells the old man to come again if he does not feel better.
5．The old man dies in the hospital.
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
