Good morning, this is the weather report: Today many cities of China are cold. Today, Beijing is cold and snowy. The temperature is 1℃.Shanghai is cold and rainy. The temperature is 7℃.Chengdu is cloudy and cold today. The temperature is 10℃. Guangzhou is cool and sunny today. The temperature is 15℃. Sanya is usually hot and sunny. The temperature is 28℃. Many people swim in Sanya in winter.
City | Beijing | Shanghai | Chengdu | Guangzhou and | Sanya |
Weather | cold and snowy | cold and | cloudy and cold | ||
Temperature | 7℃ | 15℃ | 28℃ |
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同类型试题
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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
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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
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