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It's a Sunday morning. It's sunny. There are many people in the park. Some students are playing games over there. Two boys are playing football. A girl is flying a kite. Two children are running on the grass. There is a house near the lake. Beside the house two men are working. A woman is watering the flowers. The flowers are very beautiful.
1．What are some students doing? （ ）| A．They are playing game. | B．They are near the park. | C．In the park. |
| A．I'm flying a kite. | B．She's flying a kite. | C．She's playing football. |
| A．Yes, there is. | B．Yes, it is. | C．No, there isn't. |
| A．Yes, he is. | B．Yes, they are | C．No, they aren't. |
| A．It's sunny. | B．It's Sunday. | C．It's summer. |
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
