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Sale Hi. Welcome to my shop. Many things are on sale today. All socks and gloves are five yuan a pair. They are very nice and cheap. We have a lot of pretty hats and sweaters in different colours—red, blue, white, yellow and more. A hat is only eight yuan. A sweater is thirty yuan. Scarves are cheap and nice, too. A scarf is only ten yuan. We have many pretty colours for you. |
1．Many things are on
2．A pair of socks and a pair of gloves are
3．A
4．Two sweaters are
5．Scarves are
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
