【重点短语】
1．as…as… 与……一样……
2．feel free to do sth.随意地做某事
3．as far as I know 据我所知
4．around the world 全世界
5．take in air 呼吸空气
6．in the face of difficulties面对困难
7．give up doing sth.放弃做某事
8．achieve one' s dream
=make one's dream come true
=realize one's dream
实现某人的梦想
①He worked hard and finally achieved his dream of becoming a successful businessman.
他努力工作，最终实现了成为一名成功商人的梦想。
②With the help of her teachers and classmates, she made her dream come true.在老师和同学的帮助下，她实现了自己的梦想。
③He has been working towards realizing his dream for years.
他多年来一直朝着实现自己的梦想而努力。
9．even though 虽然；尽管
10．at birth 在出生的时候
11．with excitement 兴奋地
12．walk into sb.撞到某人
13．fall over 摔倒
14．take care of
=look after
=care for 照顾；照料
15．every two years 每两年
16．cut down 砍倒，削减
17．fewer and fewer 越来越少
better andbetter越来越好
colder and colder越来越冷
more and more beautiful越来越漂亮
18．be in danger 处于危险之中
19．the importance of… ……的重要性
【重点句型】
1．This makes it the longest wall in the world.这让它成了世界上最长的墙。
2．The main reason was to protect their part of the country.主要原因是为了保卫他们部分的国土。
3．As far as I know，there are no other manmake objects as big as this.就我所知，世界上没有比这个大的人造物体。
4．Of all the mountains，Qomolangma rises the highest.
所有的山之中，珠穆朗玛峰耸立得最高。
5．It is also very hard to take in air as you get near the top.当你接近山顶的时候，呼吸也非常的困难。
6．No ocean in the world is as big as the Pacific Ocean.世界上没有比太平洋大的海洋。
7．This elephant weighs many times more than this panda.这头大象的重量比这只熊猫重许多倍。
8．Adult pandas spend more than 12 hours a day eating about 10 kilos of bamboo.成年熊猫每天花12个小时以上吃10千克竹子。
9．We all hope that in the future there will be a lot more pandas than now.我们都希望，比起现在未来有更多的熊猫。