Hello, I'm Xiaobei. Look at these photos. This is my father. He's listening to music. This is my mother. She's watching TV. This is my sister, Xiaoling. She's reading a book. Oh. Look at me, I'm flying a kite. I love my family.
1.Father is watching TV. (______)2.Mother is reading a book. (______)
3.Xiaoling is Xiaobei’s sister. (______)
4.Xiaobei is flying a kite. (______)
5.Xiaobei loves her family. (______)
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