剑麻有“绿色金子”之称,广泛运用在运输、渔业等多种行业。图所示区域是剑麻的原产地。据此完成下面小题。

1.图所示区域位于( )
A.亚洲 | B.非洲 | C.大洋洲 | D.北美洲 |
A.盆地 | B.山地 | C.平原 | D.丘陵 |
A.热带 | B.温带 | C.亚寒带 | D.寒带 |

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

