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Today all the goods（商品） in the supermarket are on sale. They are very cheap. All the sunglasses and gloves are 10 yuan. Especially, the gloves are colourful. There are many colours for you. They’re red, yellow, pink, white, black and more. Umbrellas are cheap, too. Come and see us today.
1．There are colourful gloves. （____）2．There are purple gloves. （____）
3．A pair of sunglasses are ten yuan. （____）
4．The umbrella is very expensive. （____）
5．All the goods are on sale. （____）
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
