Mr Black is a teacher from the UK. He is now visiting Park Primary School. Jack is showing him around.
Jack: Look! That's our classroom building. There is a garden in front of it. There are many flowers and plants in the garden. There are two swings and three slides, too.
Mr Black: What's on the floor?
Jack: There is a computer lab. We have computer lessons in it. This is our class-room. There is a cupboard and eleven pictures in it.
Mr Black: Your classroom is small, but it's clean and tidy.
Jack: Thank you.
Mr Black: Thank you so much, Jack.
Jack: You are welcome.
1.Mr Black is a teacher from Shanghai. (
2.Mr Black is in Rainbow Primary School. (
3.Jack's garden is in front of the classroom building. (
4.There are two seesaws in the garden. (
5.There are 12 pictures in the classroom. (

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

