Look at the picture. It's a picture of a park. It's big. It's nice. In the park, we can see the flowers. Some are red. Some are blue. Some are purple.
Some are pink. Look, the bees are on the blue flowers and the birds are on the purple flowers. There are some boys in the playground. They can play foot-ball. The football is big and round. They are very happy.1.The park is not small. (
2.We can see the flowers in the park. (
3.We can see the yellow flowers. (
4.The birds are on the blue flowers. (
5.The boys can play football. (
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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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