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Han Fei: Do you like summer, Xia Lin?
Xia Lin:
Han Fei: Which season do you like best?
Xia Lin:
Han Fei: What do you often do in autumn?
Xia Lin:
Xia Lin:
They’re so sweet! My birthday is also in autumn.
Han Fei: Really? When is it?
Xia Lin:
Han Fei: What will you have on your birthday this year?
Xia Lin:
| A．Yes, they are. |
| B．No, I don’t. |
| C．It’s on September 20th. |
| D．Autumn. |
| E．I often pick fresh apples. |
| F．I’ll have a birthday party. |
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
