Henry Tyler made the catch of the year on the weekend. When he saw a young child hanging from a sixth-floor apartment balcony (阳台), Henry ran one hundred metres, jumped over a 1.2-metre fence, and held out his arms to catch the
Eric Brown, only three years old, knocked Henry down when he fell. The boy is in the hospital and doctors say he'll be OK.
Eric woke up a little later when he heard children playing outside. He pushed a chair onto the balcony, and climbed up
Henry
He saved my
"I just didn't want the boy to be hurt," said Henry.
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