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Hello, I’m Daming. I went to the Great Wall with Sam and Amy last Sunday. We bought some oranges, some cakes, three bottles of juice and half a kilo of chocolate. We went there by bus. We arrived there at half past nine. There were too many people on the wall. We walked for 2 hours and took many photos. We were tired but happy. We ate all the food and went home at four o’clock in the afternoon. It was a nice day!
1．Daming went to the Great Wall with Amy and Sam.2．They bought a kilo of chocolate.
3．They went to the Great Wall by bike.
4．There weren’t too many people on the wall.
5．They went home at five o’clock in the afternoon.
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
