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Mrs White wants to have a party at home. She goes to the supermarket to buy some chicken, fish, vegetables and fruit for dinner. Chicken is ten yuan a kilo (每公斤10 元)and she buys one kilo. Fish is nine yuan a kilo and she buys two kilos. The fish smells fishy (鱼腥的). The tomatoes are smooth. Tomatoes are two yuan a kilo and she buys four kilos. Bananas are three yuan a kilo. She buys four kilos. And the bananas are sweet.
1．Mr White wants to have a party at home.2．Chicken is ten yuan a kilo.
3．She buys two kilos of fish, and they cost (花费) nine yuan.
4．The tomatoes are rough.
5．Mrs White buys some chicken, fish, potatoes and bananas.
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
