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Waiter：Welcome to Yangguang Restaurant .This way , please
Mr．Lee：1．________________________ .
Waiter：Take a seat，please．Here’s the menu．
(A few minutes later) 2．________________________
Mr．Lee：I'd like fish with vegetables and a bottle of beer．
Waiter：3．_____________________ .
Mr. Lee：A bowl of rice．
Waiter：OK．Thanks for your order．
Mr．Lee：(Half an hour later)May I have the bill，please?
Waiter：Let me see．It’s ￥35．
Mr．Lee：4．___________________ .
Waiter：Here’s your change．Thanks for coming!
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
