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这是Mr Brown和Mrs Brown的一段对话。他们准备明天去北京。他们先是谈论了北京的天气变化，之后又谈到了在北京要做的事情。
Mrs Brown：Will it be rainy in Beijing tomorrow?
Mr Brown：（1）________
Mrs Brown：Let's take umbrellas with us.
Mr Brown：（2）________
Mrs Brown：What are we going to do there?
Mr Brown：（3）________
| A．OK! |
| B．We are going to visit an old friend. |
| C．Yes，it will. |
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
