Hello! I am Helen. I am ten years old (10岁). I have (有) a new skirt. It’s orange. I like (喜欢) it very much. This is my brother Tim. He is five years old. He has a yellow cap. He likes yellow. He has a yellow robot too. It’s nice and it can dance.
1.Helen is ______ years old. ( )A.nine | B.ten | C.five |
A.a skirt | B.a jacket | C.a robot |
A.brother | B.mother | C.sister |
A.pink | B.yellow | C.brown |
A.a cap | B.a robot | C.A & B |
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