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Sarah: How many people are there in your family?
Lily: 1． My parents and me. 2．
Sarah: My family has five people.
Lily: 3．
Sarah: Yes. My parents, my brother and me.
Lily: 4．
Sarah: 5．
Lily: I love my family.
Sarah: I love my family, too.
| A．How many people are there in your family? |
| B．Five? |
| C．And my little puppy. |
| D．But that’s only four. |
| E．Three. |
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
