Look at the picture on the wall. There are some children in the picture. It is autumn. They are having a picnic in the park. Mike is picking up the yellow leaves. John is drawing pictures near the hill. Mary is reading a book under the tree. Sarah is talking happily with Tina. Oliver and Tom are playing football on the grass. Where is Sam? Oh, he is behind a tree. He is watching a cat. The cat is catching a butterfly. They are having a lot of fun.
1.There is a map on the wall. (2.The children are having a party together in the park. (
3.Mike is drawing pictures on the hill. (
4.Tom is playing football with Oliver. (
5.Sam is catching a butterfly with a cat. (
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