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Sally’s school
In the past
Sally’s school was small ten years ago. There were only twelve classrooms and twenty teachers. The playground was small and there weren’t any trees. The library was small too. There wasn’t a garden. There was no TV or computer in the classroom.
Now
Sally’s school is big. The playground is big. There are some trees around it. Students can run and play there. The library is big and new. There is a garden. But it is very small. There are some beautiful flowers and green trees in it. In the classroom, there is a big TV and some computers. Students can learn a lot by using them.
1．How many classrooms were there in the school?2．Was there a garden in the school?
3．Is the library big and new now?
4．What can students do in the playground now?
5．Is the garden very big?
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
