搜索
This is a picture of my family. There are my grandparents . They are sitting on chairs . They are old , But they were young twenty years ago ..The young man and young woman are my parents. They are very nice . The little boy is me . I was fat then ,But now I’m thin and tall . We have a happy family .
1. ( )There are five people in my family .
2. ( )My grandparents weren’t old twenty years ago.
3. ( )My parents are nice.
4. ( )I was fat then.
5. ( )We have a happy family .
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
