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B: Good morning, 1．?
A: I have a stomachache and a sore throat.
B: 2． ?
A: Ever since last night.
B: 3． ?
A: I had lots of ice-cream, chocolate, hamburgers and salad.
B: That’s probably why. You shouldn’t eat too much next time. It’s bad for your health.
A: OK, doctor. 4． ?
B: You should drink more hot tea with honey and have a good rest. I think you’ll be better soon.
A: Thank you very much.
B: 5． .
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
