1.尼泊尔多地震的主要原因是该国位于()
A.印度洋板块与太平洋板块交界处 | B.印度洋板块与亚欧板块交界处 |
C.非洲板块与亚欧板块交界处 | D.太平洋板块与亚欧板块交界处 |
A.沿楼梯蜂拥而下 | B.乘电梯下楼 |
C.暂时躲在小开间的墙角 | D.在阳台上等待救援 |
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