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Good morning, this is the weather report.
It’s cold and snowy in Harbin. You can put on your hat. But it’s hot and cloudy in Hainan. You can play football. It’s warm and windy in Kunming. You can fly a kite. How about Guangzhou? It’s cool and rainy. Take your umbrella.
a. 
b. 
c. 
d. 
e. 
A. 
B. 
C. 
D. 
2．Hainan
3．Kunming
4．Guangzhou
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
