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Mrs. Williams: He’s in bed.
Mr. Williams:
Mrs. Williams: He feels ill.
Mr. Williams: He looks ill.
Mrs. Williams: We must call the doctor.
Mr. Williams: Yes, we must.
Mr. Williams:
Mrs. Williams: Yes. It’s 09754.
Doctor: Open your mouth, Jimmy.
Mr. Williams: What’s wrong with him, doctor?
Doctor:
| A．What’s wrong with him? |
| B．Can you remember the doctor’s telephone number? |
| C．Where’s Jimmy? |
| D．He has a bad cold |
| E．Show me your tongue. |
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
