这篇文章哪些是重点词组

题目

这篇文章哪些是重点词组
D o you know what is the world’s highest waterfall?You may say that it is Niagara Falls(尼亚加拉大瀑布).Niagara Falls is very beautiful and spectacular(壮观
　　的).But in terms of height,the most incredible falls in the world is Angel Falls in Venezuela(委内瑞拉).
　　One of the most interesting facts about Angel Falls is how it was found.The falls was named after an American pilot.His name was Jimmy Angel.In1937,he crashed his plane near the top of the falls.That’s how he found it.
　　The highest point of the falls reaches979meters.The water falls from a height of807meters.The height of the falls is so great that by the time the water reaches the ground it has already turned into fog.
　　Angel Falls is one of the top scenic spots(景点)in Venezuela.If you have a chance to visit the country,you should not miss it!

答案