题目

任务型阅读 When we think of harvests (收获),we usually think of plants.But can you also harvest
　　When we think of harvests (收获),we usually think of plants.But can you also harvest a liquid?Sure.Just think of rainwater.Best of all,it is free,except for the cost of a way to collect it.
　　One way to harvest rainwater is with some technology developed by International Development Enterprises.It is in the American state of Colorado.It created the technology as a way for people in developing countries to avoid having to drink polluted (污染) ground water.
　　The rainwater harvesting system (系统) created by International Development Enterprises uses pipes (管子) to collect water from the tops of buildings.There are pipes between the buildings and two-meter tall storage tank (存储容器),which prevents dirt and leaves in the water from falling inside the tank.
　　A cover sits over the tank.It protects the water inside the tank from evaporating (蒸发).The cover also prevents insects (昆虫) from flying

提问时间：2020-06-13

答案

保证准确率!
13.Yes,they can.
14.The people in developing countries can avoid having to drink polluted ground water.
15.3,500 liter.
16.It protects the water inside the tank from evaporating and prevents insects from flying into the water and laying eggs.
17.An American company developed some technology to to harvest rainwater.
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