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My school is very big. It has sixteen classrooms. There are three hundred students in it. I’m in Class 2, Grade 4. There are two doors and six windows in my classroom. On the teacher’s desk, there is a computer. We have twenty-five desks and fifty chairs. There’re thirty boys and twenty girls in our class. We have three teachers. They are a Chinese teacher, an English teacher and a maths teacher. We all love our teachers.
1．The school has __________ classrooms. ( )| A．sixty | B．sixteen | C．six |
| A．one hundred | B．ninety | C．three hundred |
| A．a computer | B．a TV | C．two doors |
| A．twenty-five | B．twenty | C．thirty |
| A．two | B．three | C．four |
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
