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1.
Who is he?
___________________________________
What is he doing?
___________________________________
How?
___________________________________
2.
Who is she?
___________________________________
What is she doing?
___________________________________
Who is it for?
___________________________________
3.
A: Why can’t I go to the party?
B: Because _____________________________________.
C: You’re sad, dear. Why?
A: Because _________________________________.
C: Why can’t you go to the party?
A: Because _________________________________.
A: I have to go now.
D: Why?
A: Because __________________________________.
E: Oh, my foot hurts!
F: Why?
E: Because _____________________________.
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
