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It's 8:00 in the morning. The children are doing different things (不同的事情). Robert is opening the window. Some are talking and laughing. Some are listening to them. Some are reading books. Some are doing their homework. Miss Wang is standing beside the teacher's desk. She is writing on the blackboard. Ann is cleaning her desk. Mike is helping her. They all look happy.
What are Bill and Lin Tao doing? Oh, dear！They are still playing basketball！
1．The children are ______. ( )| A．in the school | B．at home | C．in a boat |
| A．He is opening the window. | B．He is writing on the blackboard. | C．He is playing football. |
| A．Robert | B．Miss Wang | C．Ann |
| A．No, there aren't. | B．Yes, there are. | C．Yes, they do |
| A．Ann is cleaning blackboard. |
| B．Mike is helping Ann cleaning her desk. |
| C．Bill and LinTao are still playing basketball. |
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
