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Miss Young’s Clothes Store
If you pay (付款)100 dollars in our store, you can get 20 dollars reduction (减少).
Goods(商品) | Colors | Price |
socks | black, white, brown | $2 |
sweater | black, white, yellow | $35 |
hat | blue, white, black | $10 |
T-shirt | red, white | $18 |
shoes | black, white | $55 |
bag | blue | $5 |
| A．80 dollars | B．110 dollars | C．100 dollars | D．180 dollars |
| A．socks and bags | B．hats and sweaters | C．hats and bags | D．shoes and hats |
| A．$18 | B．$120 | C．$10 | D．$55 |
| A．all colors | B．blue, white and black | C．blue and black | D．white, blue and yellow |
| A．Two bags and one pair of shoes. | B．Three hats and a T-shirt. |
| C．One sweater and two hats. | D．One sweater and a T-shirt. |
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
