I have a friend. Her name is Lucy. She lives in London. I want to go on a trip to London. London is far from Xi'an. I want to go there by plane. I invite my mother to go with me. Because I am too young. We will arrive in London on August 10. And we are going to stay in London for twenty days. I'm very happy to see Lucy soon.
1.Where does Lucy live? ( )A.In Beijing. | B.In London. | C.In Xi'an. |
A.by plane | B.by bus | C.by train |
A.my sister | B.my father | C.my mother |
A.15 | B.20 | C.18 |
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