材料 习近平总书记在陕西、山西两省考察时都对黄河治理保护提出明确要求:“重在保护,要在治理”。树立绿水青山就是金山银山的理念,统筹推进山水林田湖草系统治理,推动沿黄地区在保护中开发、开发中保护,推行绿色生产、生活方式,改善环境质量,以增强人民的获得感、幸福感、安全感。
![](https://img./dksih/QBM/2021/6/23/2749239868407808/2749969517830144/STEM/23f7f654701640e5ac2ecbf049654b27.png?resizew=585)
(1)山西省和陕西省最丰富的矿产能源是
(2)治理黄河的关键是
(3)为了推行绿色生活方式,中学生在日常生活中应该这样做:
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)