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The pupils of Class One, Grade Five went for a spring outing. They wanted to climb a mountain. They got to the foot of the mountain by bus. Then they climbed the mountain on foot. At the top of the mountain they took many photos.
1．The pupils are in __________. ( )| A．Class Five, Grade One | B．Class One, Grade Five | C．Class Four, Grade One. |
| A．a spring outing | B．an autumn outing | C．a winter outing |
| A．climb a mountain | B．fly kites | C．go boating |
| A．On foot. | B．By car. | C．By bus. |
| A．At the foot of the mountain. | B．At the top of the mountain. | C．On the bus. |
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
