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It’s spring now. The park is beautiful(美丽的). Look the trees are green and the flowers are red. One bird is flying in the blue sky(天空) Four white geese(鹅) are swimming in the big lake. Two boys are in the brown boat, How happy they are!
1．—How many boys are in the boat? ( )—________
| A．One. | B．Two. | C．Three. |
—It’s ________.
| A．blue | B．green | C．brown |
| A．white | B．red | C．brown |
| A．geese | B．plane | C．bird |
—lt’s ________.
| A．spring | B．summer | C．autumn |
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
