读“某区域经纬网图”,结合所学知识,完成下面小题。

1.甲地的经纬度是( )
A.(60°,40°) | B.(60°N,40°W) | C.(60°S,40°W) | D.(60°N,40°E) |
A.甲 | B.乙 | C.丁 | D.丙 |
A.甲 | B.乙 | C.丁 | D.丙 |
A.西南 | B.西北 | C.东南 | D.东北 |
A.甲所在经线比丙所在的经线长 | B.甲点位于东半球、北半球 |
C.乙所在纬线比丁所在纬线短 | D.乙一路向北可到达丙处 |

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

