Kate: Hi, Jim! It's sunny and warm here. I'm going to the zoo this aftemoon.
Jim: Sounds good.
Kate: slim, how's the weather in Beijing now?
Jim: It's cloudy. It's going to rain. So I can't fly a kite in the park.
Kate: Oh, I see.
Jim: Do you know the weather in Guangdong?
Kate: It's too hot. The children there usually go swimming in the river.
Jim: Oh, I like swimming, too. But I can't swim now. It's cold here.
city | weather(now) | what to do |
Shanghai | ||
Beijing | ||
Guangdong |

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

