1、中国的复原那么辽阔,难道地下旧真的没有石油吗?不!( )
2、看到这个场景,我的心里象有千百根钢针扎一样难受。( )
3、一列列长长的油罐车,像一条条黑色的巨龙,满载着石油从大庆驶往祖国的四面八方。( )
4、船头飞溅起的浪花,吟唱着欢乐的歌儿。( )

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

