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Now my friend Lingling and I are in the park. We see lots of interesting things. Look! Some people are rowing a boat on the lake. Under the tree, some kids are listening to music and two men are playing chess. Some boys are playing basketball over there. Some old people are dancing. Oh, it’s twelve. We are hungry. Let’s go home.
1．We’re ________. ( )| A．in the zoo | B．in the park | C．on the lake |
| A．playing basketball | B．rowing a boat | C．swimming |
| A．listening to music | B．playing games | C．singing |
| A．Some boys | B．Two men | C．Some old people |
| A．happy | B．hungry | C．funny |
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
