Ken:
Amy: Look at the photo. This is my new friend Sally.
Ken: Oh, she is so nice! How old is she?
Amy:
Ken: Where does she live?
Amy: She lives in Guiyang.
Ken: Is it cold in Guiyang?
Amy:
Ken: Was Sally in Guiyang in the photo?
Amy:
Ken: Where was she?
Amy:
A.No, it isn’t. |
B.She is seven years old. |
C.I’m very well. |
D.She was in Beijing. |
E.No, she wasn’t. |

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

