Getting electricity has always been a problem for the 173 people living in a small village in Peru.（1）

C

C

Because heavy rains destroyed the only power cables（电线） in the area.The villagers had to use old lamps.They are not only expensive but also dangerous because of something harmful they produce.
   Luckily，scientists in Peru heard about their problem and found a wonderful solution.（2）

D

D

Both of them can be easily found in the forest where the village lies.The lamp takes energy from a plant growing in a wooden box and uses it to light up an LED light.（3）

B

B

   As plants create their food by using the sun's energy，water from the soil（土），they also produce waste which they return to the soil.Small animals in the soil eat this waste and they produce energy.（4）

E

E

And then keep it in the lamp's batteries for later use.The scientists say battery can power a 50-watt LED light for two hour- enough time for local villagers to get their evening work done.
   The university gave ten Plant Lamps to the villagers in October 2015.（5）

A

A

Elmer Rmairez，who invented the lamp，believes the Plant Lamp could help improve the lives of many poor people.

A.So far，they have been a huge success! B.That may sound amazing and even impossible. C.However，things went from bad to worse in March 2015. D.They made a lamp that can be powered by plants and soil. E.The research group put special sticks inside the soil to get the energy. F.Scientists say they can create a lamp by using the energy from the sun.