《阅读理解特训:3 真 2 模含解析》2014 届高三英语二轮突破 12C7[2013·安徽卷] BUsing too much water or throwing rubbish into our rivers are clear ways that humans can put our water supply in danger,but we also affect our water supply in less obvious ways
You may wonder how paving(铺砌) a road can lead to less usable fresh water
A major part of the water we use every day is groundwater
Groundwater does not come from lakes or rivers
It comes from underground
The more roads and parking lots we pave,the less water can flow into the ground to become groundwater
Human activity is not responsible for all water shortages(短缺)
Drier climates are of course more likely to have droughts(干旱) than areas with more rainfall,but in any case, good management can help to make sure there is enough water to meet our basic needs
Thinki