关于缓和曲线,说法不正确的是()
A. 曲率连续变化,视觉效果好
B. 不可以省略
C. 与圆曲线配合得当,保证线形美观
D. 离心加速度逐渐变化,旅客感觉舒适。
The Great Barrier Reef is located in the Britain.
A. 对
B. 错
The Great Barrier Reef is the largest coral reel on the Earth.
A. 对
B. 错
The Great Barrier Reef is one of the seven recognized wonders of the natural world.
A. 对
B. 错