1.台湾岛东、西两侧濒临的海域分别是( )
A.大西洋、琼州海峡 |
B.太平洋、琼州海峡 |
C.大西洋、台湾海峡 |
D.太平洋、台湾海峡 |
①甜菜 ②香蕉 ③菠萝 ④苹果
A.①② | B.②③ | C.①④ | D.③④ |
A.平原主要分布在西部 | B.地势西高东低 |
C.山地主要分布在西部 | D.山脉为东西走向 |
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