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B: Me, too.
A:
B: I went to Beijing.
A: Really?
B:
A:
B: It was beautiful.
A: Can I have a look?
B: Of course. Here are the pictures of the Great Wall.
| A．How was the Great Wall? |
| B．What did you do in Beijing? |
| C．And I took many pictures of it. |
| D．What did you see there? |
| E．I rode a bike and climbed mountains. |
| F．Where did you go last week? |
| G．I enjoyed playing the violin. |
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
