搜索
Linda: Mum, we’re just paying “Hide and Seek”.
Mum: Your aunt and I are talking. 2．
Linda: 3．
Mum: Linda, Aunt Annie is leaving.
Linda: 4．
Aunt: Yes. But we will visit you again.
Linda: 5．
| A．You are too noisy. |
| B．I will miss you, Jim. |
| C．OK, mum. |
| D．Are you happy? |
| E．Does Jim have to leave, too? |
| F．So please keep the noise down a little. |
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
