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Our country is very big. The weather in the north is different from the south. The weather in the east is different from the west. In Heilongjiang, it’s very cold in winter. In Hainan, it’s warm in winter. We have many rainy days in the east of our country. But, it seldom(少的) rains in the west of our country.
If you want to take a trip you must pay attention to (注意) the weather report.
（1）The weather in the north and the south are the same.
（2）It’s cold in Heilongjiang in winter.
（3）In winter, Hainan is very cold, too.
（4）It often rains in the west of our country, and seldom rains in the east of our country.
（5）We don’t need to pay attention to weather report when we take a trip.
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
