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It is fine today. The sun is shining. Mrs Green and her family are walking in the park. Mrs Green and her mother are looking at some flowers. Her son John is watching the planes in the sky. Her daughter Kate is walking beside her. Kate is looking at the boats on the lake. There are many people in the park. Some of them are swimming, some of them are boating, some children are playing games and some women are talking.
1．Mrs Green is walking in the park with her family.2．Mrs Green’s father is looking at some flowers with her.
3．There are many people in the zoo.
4．Some children are playing games in the park.
5．Kate is looking at the boats on the lake.
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
