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It’s a Sunday morning. It’s sunny. There are many people in the park. Some students are playing games over there. Two boys are playing football. A girl is flying a kite. Two children are running on the grass.
There is a house near the lake. Beside the house two men are working. A woman is watering the flowers. The flowers are very nice.
（1）There are many people in the park on Sunday.
（2）The students are playing games in the zoo.
（3）The boys are playing football.
（4）Two children are flying kites.
（5）A woman is watering the flowers near the house.
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
