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A: They are photos of my family.
B: How beautiful! 1．
A: Yes, of course. Look at the little girl. She is my sister.
B: Oh, I see. 2．
A: Yes, and she can sing English songs. And this is my father.
B: 3．
A: Yes, he is. And this is my little brother.
B: Oh. He is young. 4．
A: He can help my mum do some housework. Look, my mum is here.
B: 5．
A: Ha ha… I am taking photos.
| A．What can he do? |
| B．Where are you? |
| C．Is your father a firefighter? |
| D．Can you show (展示) them to me? |
| E．Can she sing? |
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
