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Interviewer: Welcome to CCTV!
Old lady: Of course I can.
Interviewer:
Old lady: Yes. It was a small village many years ago. We lived in a small house.
Interviewer: Life was very hard in the past.
Old lady: Yes,
Interviewer: What do you want to say to our country(国家)?
Old lady:
| A．We worked in the fields. |
| B．and now we live a hard life too. |
| C．Can you tell me the life in the past? |
| D．but now we live a happy life. |
| E．Was the life different in Shenzhen many years ago? |
| F．I want to say “thank you” to our great country. |
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
