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Jack: Hello, Lily. This is Jack.
Lily: Hello, Jack.
Jack: I am writing my timetable.
Lily: Really? What are they?
Jack:
Lily: Wow! April is fun. What’s the weather like in Sydney?
Jack:
Lily: Sounds great.
Jack: I often go for a walk with my parents.
Lily: That’s good exercise.
| A．We have a few fun things in April. |
| B．What are you doing now? |
| C．It’s autumn in April here in Sydney. |
| D．What do you do on the weekend? |
| E．The school trip and the sports meet. |
| F．It’s spring in April here in Sydney. |
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
