
1.关于图中大洲和大洋的判断,正确的是( )
A.甲—太平洋 |
B.丙—大西洋 |
C.乙—南极洲 |
D.丁—南美洲 |
A.①为苏伊士运河,是亚洲与非洲的分界线 |
B.②是大高加索山脉,是亚洲和欧洲的分界线 |
C.③为巴拿马运河,是南、北美洲的分界线 |
D.④为白令海峡,是亚洲与北美洲的分界线 |

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

