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Hello! My name is Bob. I’m an English boy. Look! This is a picture of my school. My school is very old, but it’s very beautiful. There are lots of trees around the school. There is a playground in the north of the school. The teaching building is very tall. The classrooms are very big. The desks are small but new. There are eighty teachers in my school. They are very kind. I like them very much.
1．Bob is a Chinese boy.2．Bob’s school is old but beautiful.
3．In the north, there is a playground.
4．The classrooms are small but new.
5．There are eighteen teachers in Bob’s school.
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
