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Alice: OK, Mum.
Mum: That’s a good idea. Come on, Alice.
(Alice and her mum are in the park now.)
Alice: Look, Mum.
Mum:
Alice: I’m thirsty. Can I have some water?
Mum: Yes, of course you can. Let’s have a picnic.
(
| A．It’s a beautiful sunny day. |
| B．The black shape follows me everywhere. |
| C．Look, the sun is high in the sky. |
| D．The sun goes down in the evening. |
| E．It’s your shadow. |
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
