Today it’s Sunday and it’s a fine day. There are many people in the park. Some pupils are playing games (游戏) over there. Three boys are playing football. A girl is flying a kite. Two boys are running on the grass. There is a lake near a house. Beside the house two men are walking. A woman is watering the flowers. The flowers are beautiful.
1.Three boys are playing football in the park.2.A girl is flying a kite in the street.
3.Two men are walking beside the house.
4.A woman is beautiful. She is watering the flowers.
5.There are nine people in the park.
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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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