I have a good friend at school. He is an English boy. His name is Tom. He is twelve. We’re in No. 2 Middle School. We’re not in the same class. He is in Class 4. I’m in Class 2. Tom’s father is an English teacher. He works at our school. Tom’s mother is not a teacher. She is a doctor.
1.My good friend is an American boy. ( )A.正确 | B.错误 |
A.正确 | B.错误 |
A.正确 | B.错误 |
A.正确 | B.错误 |
A.正确 | B.错误 |
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