地球是人类的家园,她给人类提供了生存的空间和资源。但目前,全球面临资源短缺、环境污染、生态破坏等各种问题。作为地球公民,我们有责任保护地球。请你联系生活实际,就以上提出的问题,想一想解决方法,并以短文形式写出来。不少于5句话。
Protect the Earth
The Earth is our home. To protect it, we can ____________________________________________________
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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