读“东南亚位置示意图”,完成下面小题。
![](https://img./dksih/QBM/editorImg/2022/6/25/09a2cb69-fd28-420a-989d-dbfde6ce302c.png?resizew=453)
1.图中甲处所示的重要海上通道是( )
A.白令海峡 | B.苏伊士运河 | C.马六甲海峡 | D.巴拿马运河 |
A.地处热带地区,水热充足 | B.种植历史悠久,产量较低 |
C.高原山地为主,气候干旱 | D.农作物产量大,价格较高 |
![](http://static.xuejinqu.com/images/y-prise.png)
同类型试题
![](http://static.xuejinqu.com/images/medal.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)
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
![](http://static.xuejinqu.com/images/avatar.png)
![](http://static.xuejinqu.com/images/avatar.png)