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A: Where are you from?
B:
A: Wow. It’s a beautiful city (城市).
B: Yes.
A: Is it hot in summer?
B:
A: What do you often do in summer?
B:
A: Is it cold in winter?
B:
A: Wow. That’s a good place.
| A．There are beautiful flowers everywhere. |
| B．Yes, sometimes it’s hot. |
| C．I often go swimming. |
| D．I am from Kunming. |
| E．No, it’s not too cold |
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
