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Ann: Hello! This is Ann.
Jenny: Hi, Ann. This is Jenny speaking.
Ann: What are you doing, Jenny?
Jenny: I'm cooking dinner.
Ann: Wow, you are a good girl. Where are your parents?
Jenny: My father is working outside. My mother is washing clothes.
Ann: Where is your little brother?
Jenny: Oh, Tom is watching TV. What are you doing?
Ann: I'm cleaning my room now.
Jenny: Wow, you are a good girl, too.
1．Ann is talking with Tom.
2．Jenny is cooking dinner.
3．Ann's mother is washing clothes.
4．Jenny's father isn't at home.
5．Ann is cleaning room now.
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
