One day, Helen meets Tina in the playground (操场).
Helen: How many sisters do you have, Tina?
Tina: Only one. She is my twin sister Mary.
Helen: You tell a lie. Your brother Tom says (说) he has two sisters.
Tina: But (但) I don’t tell a lie. You can ask my mother.
1.How old is Helen? ( )
A.She is six years old. | B.She is five years old. | C.She is seven years old. |
A.At home. | B.In a park. | C.In the playground. |
A.twins | B.friends | C.brother and sister |
A.你说谎. | B.你是个女孩. | C.你讲话. |
A.She has two. | B.She has three. | C.She has only one. |

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

