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| A．What did you do yesterday? |
| B．Where did you go yesterday? |
| C．How many children were there at the party? |
| D．Yes, he did. |
| E．Why did you visit Mike? |
| F．No, they weren't. |
| G．How many children are there at the party? |
B:I visited Mike.
A:________
B:Because it was his birthday yesterday.
A:Did he have a birthday party?
B:________
A:________
B:There were fifteen children at the party.
A:Were Mike's parents at home?
B:________
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
