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A：In our school, （1） . In my classroom, （2） .
B： （3） . That’s 24 boys and 22 girls. No, （4） .
There are 25 boys and 21 girls. There are 48 desks.
A：Are there any computers on your desks? Is there a computer on miss Li’s desk?
B：No, （5） . And there aren’t any computers on our desk..
| A．There isn’t a computer on Miss Li’s desk. |
| B．There are 46 students in my class. |
| C．there are 20 students in a class. |
| D．That’s not right. |
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
