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China is a big country. The weather in the south is different from that in the north. Nanjing is a beautiful city of China. In this city, spring is warm, summer is hot, autumn is cool, and winter is cold. But in the south of China, it is always warm and hot. In Hong Kong and Sanya, people like to swim in the sea. They can't see snow in winter. In the north of China, people can make snowmen and play with snowballs in winter.
1．Is the weather in the south different from the weather in the north?2．What's the weather like in Nanjing in summer?
3．Can people swim in the sea in Sanya?
4．What can people do in the north of China in winter?
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
