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Doctor: What’s the matter with you, young man?
Mike: My right leg hurts, Doctor. It hurts badly. I can’t walk.
Doctor :All right, let me see. Does it hurt here?
Mike: Yes, it hurts near the knee.
Doctor: I’m afraid we need to take an X-ray.
Mike: Oh! Really?
Doctor: Take it easy. It doesn’t hurt.
( )1. Mike goes to see a doctor.
( )2.Mike’s right arm hurts.
( )3. Mike needs to take an X-ray.
( )4. Mike can’t walk.
( )5. Doctor think it doesn’t hurt.
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
