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Mr. and Mrs. Black have two sons and three daughters. They also have a cat. They have a big house. Their house has a kitchen, five bedrooms, two bathrooms and two other rooms.
The Black family have some trees near their house. They have two cars. On Saturday and Sunday, they go to the seaside in their cars.
Mr. and Mrs. Black work five days a week. They are teachers. They help their students. They also help their sons and daughters.
1．Mr. and Mrs. Black have five children.2．They have a dog in their small house.
3．There are five rooms in the house.
4．They often go out by bus.
5．Mr. and Mrs. Black work on Friday.
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
