浙江省安吉县余村是中国美丽乡村的典型代表。当地竹海绵延,青山环绕。下图为余村及周边地区等高线地形图,据此完成下面小题。
1.图中( )
A.①地与②地气温大致相差6℃ | B.②地比③地海拔低,坡度更缓 |
C.④地位于山脊,可见余村全貌 | D.西苕溪的流向大致是自南流向北 |
A.矿山开采 | B.小麦种植 | C.生态旅游 | D.水产养殖 |
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