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| A. That’s a good idea, Carol. B. How much are they? C. Oh, we can make a fruit cake for dad! D. Can I help you? E. Carol, your father’s birthday is coming. |
Carol: And we can make a cake for dad, Mum.
Mum: 2． Let’s go shopping now!
Carol: Let’s go!
(In the shop)
Shop assistant: 3．
Mum: May I have some flour (面粉), some butter, ten eggs and a box of milk, please?
Carol: And we want some strawberries too.
Shop assistant: OK.
Mum: 4．
Shop assistant: Fifty yuan all together.
Carol: 5．
Mum: I’m sure your father will like it!
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
