I have a good friend. His name is David. He is an English boy. His family is big. There are six people in his family. His father is forty years old. He’s a teacher. He teaches us English. His mother is thirty-six years old. She’s a writer. She often writes some interesting stories at home. His sister is five years old. She is at a kindergarten(幼儿园) . His grandparents is very old. So they just stay at home. They are very happy every day. David and I are in the same class. We study at No.1 Primary school.
1.David has a big family. There are five people in his family. (_______)2.His mother is a teacher. (_______)
3.David and I are in the same school. (_______)
4.David is a student in a primary school. (_______)
5.David’s father teaches us Chinese. (_______)
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