My good friend Lucy’s is from Canada. She is eleven years old. She’s pretty and smart. She is helpful at home. She can help her mother cook meals. She can clean her bedroom. Lucy has a sister. Her name is Lily. Lily is eight years old. She is young, but she can make the bed. The two sisters often read books on Saturdays. They love weekend very much.
1.How old is Lucy? ( )A.8. | B.2. | C.11. |
A.brother | B.sister | C.friend on Saturdays |
A.sweep the floor | B.read books | C.cook meals |
A.tall | B.young | C.old |
A.Mondays and Tuesdays | B.Wednesdays and Fridays | C.Saturdays and Sundays |
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