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I live in Beijing now. Beijing is a 1． place. There are four 2． in a year. In 3．, it’s very warm and sunny. We can go out and 4． mountains. In 5．, it’s very hot. I can swim in the lake. In 6．. It’s always very 7． and windy. In 8．, it’s cold. I like winter 9．, because I can play with snow and skate (滑冰). What’s the 10． like in Hong Kong? What’s your favourite season? Write to me, please.
Love,
Ann
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
