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Tina; Sam, look at my family photos.
Sam: Oh, how beautiful(漂亮的) ! What's your father's job?
Tina: My father is a teacher.
Sam: What is he doing?
Tina: He's writing a letter. This is my mother. She's doing the dishes(洗碗碟)
Sam: Who is the girl?
Tina: She's my little sister. She's playing with a doll.
Sam: What are you doing?
Tina: I'm watching TV.
1．Tina's father is a teacher. （
2．Tina's father is taking pictures. （
3．Tina's mother is listening to music. （
4．Tina is watching TV. （
5．Tina has a little sister. （
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
