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A. I'm watching TV.
B. What is your cat doing?
C. He's reading a newspaper:
D. Can I ask you some questions?
E. What is your mother doing?
Jack: Hello. This is Jack. 1．
Child: Sure.
Jack: What are you doing?
Child: 2．.
Jack: 3．
Child: She’s cooking dinner.
Jack: What is your father doing?
Child: 4．
Jack: 5．
Child: It’s watching the fish in the fishbowl.
Jack: Thank you.
Child: You’re welcome. Bye.
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
