精品文档---下载后可任意编辑Unit 1 Our EarthListeningAudio Track 4-1-11
I’ve visited a few caves in Guilin
The rocks in the caves are in different shapes and colors
If you use your imagination, the rocks can resemble many different things
It looks like a whole other world
I went to the desert in Gansu once
As I stood in the middle of the desert, I faced endless sand and felt very small
By day the desert was extremely hot, by night it got very cold
I experienced summer and winter in the same day
To my knowledge, California has beautiful coastlines
People love them and thousands of volunteers often give up part of their weekends to keep the sandy Californian beaches clean
The Port of Shanghai is located at the mouth of the Yangtze River
It handles many millions of shipping containers ea