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Today is Alice’s birthday. She is very happy. Alice and her mother are in a clothes shop. Alice has new clothes: a red T-shirt, a yellow skirt and a pair of new shoes. Then (然后) they go to a pet shop. Alice and her mother see parrots, fish, rabbits and so on (等等). Alice wants to choose a rabbit but her mother doesn’t like it. At last, her mother chooses four fish. Alice chooses two fish and a fish bowl. They go home happily with these fish.
1．Today Alice is very happy but her mother isn’t happy.2．Alice has three things in a clothes shop.
3．Alice’s mother doesn’t like the rabbit.
4．Alice and her mother see
5．How many fish do they choose at last?
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
