1.雷锋叔叔(___)你在哪里(___)你在哪里(___)
2.(___)爸爸,什么是千人糕(___)孩子好奇地问(___)
3.当我们往回走的时候(___)妹妹求妈妈抱她(___)我很累(___)走不动了(___)抱抱我(___)
4.她睁开眼睛一看(___)啊(___)多么明亮(___)多么美丽的世界啊(___)
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