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Lucy and her sister went to the Yangtze River last Sunday. They went there at nine o'clock in the morning. They went there by bike. Then they walked for one hour along the river. There were lots of people. Lucy met two friends. They took photos of the river. Lucy took a photo of her sister. Her sister took photos of Lucy and her friends too.
[[QOrDeR]]Lucy and her sister went to the Yangtze River________ ________.
【小题2】They went there________ ________ ________ in the morning.
【小题3】They went there________ ________.
【小题4】They walked for________ ________ along the river.
【小题5】They ________ ________ ________ the river.
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
