Unit7 What’s the highest mountain in the world？知识点总结短语the highest mountain in the world (Qomolangma)世界上最高的山the biggest desert in the world (the Sahara)世界上最大的沙漠the longest river in the world (the Nile)世界上最长的河the deepest of all the salt lakes (the Caspian Sea)所有咸水湖中最深的the biggest population in the world世界上最大的人口数量be higher than any other mountain比其他山更高the biggest country in Asia亚洲最大的国家the second longest river in the world世界第二长河one of the oldest countries in the world 世界上最古老的国家之一one of the world’s most dangerous sports 最危险的运动之一one of the most popular places最受欢迎的地之一one of +the/my…+形容词的最高级+名词的复数形式(高频考点)the same si me anythingthe ancient emperors古代的皇帝as you can see,..正如你所看见的,…as far as I know,…就我所知,….man-made objects人造物体freee in air呼吸空气the first people to reach the top第一个到达顶上的人the first/ last one to do sth 第一或最后一个干什么的（考点）risk their lives冒着他们的生命危险challenge themselves挑战自我 in the face of difficulties面对困难the forces of nature自然力achieve our dreams实现梦想at birth在出生的时候=when sb was bornlive up |
