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On Saturday morning, Mrs White and her daughter, Tina, go shopping together. They go shopping by taxi. Mrs White wants to buy a pair of shoes for Mr White and some school things for Tina. Tina wants some apples and pears. So Mrs White buys three kilos of apples and two kilos of pears for her. They go home at four.
1．When do Mrs White and her daughter go shopping?They go shopping
2．How do they go shopping?
They go shopping
3．What does Tina want to buy?
She wants to buy
4．Does Mrs White buy two kilos of apples?
5．When do they go home?
They go home
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
