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Zhang Lin, He Hai and Liu Hai went to Shankou River by car last Tuesday. It’s a good place. They saw many green plants near the river. There were twelve old and strong trees. They took a boat trip along the river. Then they stood on the boat and saw some fish in the river. The fish swam slowly. Liu Hai wanted to catch the fish. Zhang Lin said, “Stop! You can’t catch them.”
1．Zhang Lin had a trip on ________. ( )| A．Monday | B．Tuesday | C．Wednesday |
| A．flowers | B．birds | C．trees |
| A．took a boat trip | B．had lunch | C．rode a bike |
| A．Zhang Lin. | B．He Hai. | C．Liu Hai. |
| A．bus | B．car | C．bike |
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
