Today is Eddie’s birthday. His parents are in the __⑴___.
Mother: I want __⑵__.
Shop assistant: OK. Here you are.
Mother: I want some ___⑶___ and some ___⑷___.
Father: Let’s buy some __⑸__ for Eddie, OK?
Shop assistant: There are __⑹___ lemons, __⑺___ peaches and some __⑻___.
Father: How much are these fruits and food?
Shop assistant: __⑼___.
Mother: Here’s the money.
Shop assistant: Thank you.
Mother: Let’s make a cake for Eddie.
Father: That’s __⑽___ .
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