Summer is finally here for most of us． Sadly， summer is not so pleasant to people in a bit less lucky places， where air conditioning（空调） is not easy to get for most of them．

But as a saying goes， where there is a will， there is a way， especially for those who like doing it

yourself（DIY）． A young man from Bangladesh（孟加拉国） designed an air conditioning system called the Eco Cooler， one that does not require power， and is made of the world's most common waste﹣plastic bottles．

The Eco Cooler is super simple to build﹣no special engineering skills are required． First， to fix it，

a window should be taken away and replaced（替代） by it． Second， a board should be cut into the size of a window． Some bottle﹣neck sized holes should then be cut onto the board． Then， the funnel﹣shaped（漏斗状） bottlenecks， cut from the plastic bottles， should be put into the holes．The next step is to fix the design onto the window frame（框） with the wider side facing outwards． And this is it．

The Eco Cooler then works by catching the winds and sending them inside the building． It can reduce the temperature of a room by as much as 5°C﹣a big difference when looking at comfortable 25°C compared to uncomfortable 30°C．

The idea of the inventor， Ashis Paul， was to show his great product to as many People as possible． For this purpose， he received help from some groups of volunteers． Together， they offered to help local people build and fix the units，as well as teach them how to make them themselves．

Yes， the Eco Cooler is not a super high﹣tech air conditioning system， but it is one that can make a

big difference．

（1）When building the Eco Cooler， we should pay special attention to　　．

A． the shape of the window

B． the direction of bottlenecks

C． the temperature of the outside

D． the weight of the board

（2）What can we learn from the passage？　　

A． Ashis Paul is a clever inventor and a successful businessman．

B． An Eco Cooler can fix the room temperature to comfortable 25°C．

C． The new invention of Eco Cooler is friendly to the environment．

D． Local people will replace their air conditioner with an Eco Cooler．

（3）What's the best title of this passage？　　

A． DIY air conditioning made from plastic bottles

B． Eco Cooler﹣﹣a super high﹣tech air conditioner

C． Why do we need an Eco Cooler in summer？

D． A strong﹣willed inventor and his DIY dream