Mr. Black is a teacher. He lives in the school. His house is near the school playground. The children often play football on the playground. Sometimes they break Mr. Black's windows.
One afternoon, Mrs. Black is at home. She is reading a book. Soon she closes her eyes and goes to sleep. At that time, a little boy knock at the door. Mrs. Black opens the door and asks, "Do you break my window again'?"
"Oh, no," answers the boy. "Your window is open this time. Our football is in your room. Can I get it back, please?"
1.Mrs. Black is a teacher, too. (_______)2.Mr. Black lives in the school. (_______)
3.The children never break Mr. Black's windows. (_______)
4.The little boy breaks the window again. (_______)
5.The football is in Mr. Black's room. (_______)
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