B2 독해

전력망이 없는 지역의 태양광 발전

12문장7핵심 단어5문제6분 소요

For a village with no grid connection, solar is not an .

It is the only option that arrives this decade.

A and a battery cost less than extending a line twenty kilometres.

The first thing households buy with power is light.

Children study later, and clinics keep vaccines cold.

The second thing is a phone charger, which is how money moves.

Problems appear at the third stage, not the first.

A small system cannot run a pump or a mill.

Households that want to earn from power need far more .

that step is where most schemes .

is the other quiet failure.

A lasts twenty years; the battery lasts five, and nobody for it.

핵심 단어