I’m Eddie. It’s Saturday today. My parents don’t go to work. We kids don’t go to school. We are all at home now. Look at my father. He is cleaning the living room. My mother is helping him. My sister, Mary isn’t cleaning the living room. She is cleaning her new bicycle in the garden. I don’t clean anything. I am playing with my kitten at the balcony. I love my kitten. It’s very cute.
1.Eddie’s father and mother don’t go to work on Saturday. (2.Eddie and his sister are staying at home today. (
3.Eddie’s father is helping Eddie’s mother. (
4.Mary is cleaning the living room. (
5.The kitten is at the balcony now. (
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