| age | hair | eyes | body |
grandfather | 72 | white | black | short |
grandmother | 73 | white | big | short |
father | 40 | short | small | fat |
mother | 38 | long | big | thin |
sister | 9 | long | brown | thin |
I | 10 | short | black | thin |
1.My grandfather is seventytwo years old. (
2.My grandmother has white hair and black eyes. (
3.My father has two big eyes. (
4.My mother and sister both have long hair and a thin body. (
5.My father and I are both fat. (

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

