B: Oh, great!
A: I went to Beijing.
B: What did you do there?
A: I visited many places.
B:
A: The Great Wall and Tian’anmen Square.
B:
A: Look! I took some photos there.
B: Oh.
A: Yes, of course.
B: I want to visit China someday, I think.
A: I think you should.
A.Which places did you visit? |
B.They are really beautiful. |
C.Where did you go? |
D.And we ate Chinese food every day. |
E.What did you do then? |
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