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Jack: Hi, Mum. I’m back.
Mum: Hi, Jack! How is your school today?
Jack: Wonderful.
Mum: Sorry. Too much chocolate is bad for your teeth. And it’s time for dinner.
Jack: That’s OK.
Mum: Here you are.
Jack: Thank you, Mum. What is Dad doing?
Mum:
Jack: Great!
| A．He is making meat balls in the kitchen. |
| B．I like meat balls best. |
| C．May I have some chocolates? |
| D．And I want to have a cup of milk tea. |
| E．Do you want an orange? |
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
