中国自然资源种类多,储量大,一向有“地大物博”之说。读我国土地利用类型图,完成下面小题。
1.下列属于可再生资源的是( )①石油②水资源③土地资源④太阳能⑤天然气⑥人工种植的小麦
A.①②③ | B.②③④ | C.③④⑤ | D.④⑤⑥ |
A.① | B.③ | C.④ | D.⑤ |
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