Mr. Brown is a tall man. He wears glasses. He works in a big school. He is a math teacher. He teaches very well and he is very kind to his students. All the students like him very much. It’s twelve o’clock now. It’s time to have lunch. But it’s raining now. He doesn’t take his umbrella. He is worried (发愁的). Then Liu Wei comes and gives him an umbrella and runs away. Mr. Brown sees Liu Wei goes under his friend’s umbrella and gives him a smile. He feels very happy.
1.Mr. Brown teaches ________. ( )A.English | B.math | C.Chinese |
A.family | B.fiends | C.students |
A.rainy | B.snowy | C.cloudy |
A.a gift | B.an umbrella | C.a book |
A.sad | B.happy | C.worried |
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