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Tim: Good morning, doctor.
Doctor: Let me check, Tim.
Tim: Yes,
Doctor: You have a bad cold and a high fever.
Tim: What should I do, doctor?
Doctor: You can’t go to work this week.
Tim:
Doctor: Take this medicine and drink more warm water.
Tim: OK. Thank you, doctor.
| A．Open your mouth and say, “Ah”. |
| B．You must stay in bed. |
| C．My head hurts. |
| D．and I have a cough too |
| E．Anything else? |
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
