搜索
It is Sunday today. My parents, my brother Tom and I are all at home. My father is washing his car. He is going to Beijing tomorrow. He is going there by car. My mother is putting the flowers under the sun. Then she is going to buy some flower seeds. Tom is drawing a picture. There are many clouds in his picture. I am very busy. I’m doing my homework.
1．Today is rainy.2．Tom’s father is going to Beijing on Saturday.
3．Tom’s father is going to Beijing by car.
4．Tom’s mother is buying some flowers seeds later.
5．Tom’s doing housework.
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
