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Interviewer:
Mrs Li: We lived in the countryside forty years ago. We lived in a small and old house.
Interviewer:
Mrs Li: Yes, of course
Interviewer:
Mrs Li: We went to school on foot. It took one hour.
Interviewer: Where did you buy things?
Mrs Li: There weren’t any big supermarkets.
| A．How did you go to school? |
| B．Can you tell me more about the changes? |
| C．We bought things at a s small shop |
| D．How was it different? |
| E．There weren’t any cars or buses |
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
