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A. Take this medicine three times a day.
B. Let me give you a check-up first
C. What’s the matter with you?
D. You are welcome.
Ben: Doctor, I feel ill.
Doctor: I’m sorry to hear that.1．
Ben: I have a stomachache.
Doctor:2．
Ben: OK, Doctor.
Doctor: Well, you shouldn’t eat bad food. Drink some hot water.
Ben: OK, Doctor. I will.
Doctor:3． I think you will be well soon.
Ben: Thank you, Doctor.
Doctor:4．
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
