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Today all umbrellas are very cheap. They are pretty, too. We have many pretty colour for you. The red umbrella is five yuan. The yellow one is ten yuan. We have many nice sunglasses, too. The brown sunglasses are nice. You can try them on. They’re so cool. But they’re not cheap. The purple sunglasses are very cheap. Come and see us today!
（ ）1.The umbrellas are pretty, too.
（ ）2.The red umbrella is ten yuan.
（ ）3.The brown sunglasses are cheap.
（ ）4.The purple sunglasses are very cheap.
（ ）5.We have many nice scarves.
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
