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A. What about Chinese food? B. What’s for lunch?
C. Let’s have dumplings today. D. You can try to use them.
May: I am hungry, Dad. 1．
Dad: Sorry, I don’t know. Your mum is cooking in the kitchen.
May: Mum, what’s for lunch? I’m very hungry.
Mum: 2．
May: OK. And what’s the Chinese food?
Mum: Just wait and see. Pass me a plate (盘子), please.
May: Here you are.
Mum: Thank you. Lunch is ready. 3．
May: Great!
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
