搜索
(玲玲放学回家，妈妈正在做饭)
Lingling: Mum, I’m hungry. Can I have some bread?
Mum: Sorry, you can’t.
Lingling: But I am hungry. Can I have some milk，please?
Mum: Sorry, you can’t. But you can have a sweet.
Lingling: Thank you, mum.
(过了一会儿)
Lingling: Mum, I am also (还是) hungry. Can I have some cake?
Mum: Sorry, you can’t. Come here. Now you can have some noodles.
1．
2．
3．
4．
5．
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
