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Today is Sunday. The children don’t go to school. Sam is playing football in the park. There are many children in the park. They are running and jumping. Tom is in the art club at school. He is drawing a picture. Amy is reading a book at home. David is flying a kite near the lake. They’re very happy.
1．There are many children ______. ( )| A．in the park | B．near the lake | C．at school |
| A．Tom | B．Sam | C．David |
| A．taking pictures | B．riding a bike. | C．drawing a picture |
| A．at home | B．at school | C．in the park |
| A．Tom | B．Sam | C．David |
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
