1.图中①处苏伊士运河沟通的海洋有
A.红海和地中海 | B.黑海和里海 |
C.印度洋和太平洋 | D.红海和印度洋 |
A.⑤河流是流入红海的尼罗河 |
B.②海峡沟通了地中海和波斯湾 |
C.③海峡处在重要能源输出航线上 |
D.④表示喜马拉雅山脉所在位置 |
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