← 返回题目列表

Read and Complete

第 3 级 · 95–160
03:00

补全下面短文中缺少的字母。

Renewable Energy Storage

One of the main challenges facing renewable energy is that the sun does not always shine and the wind does not always blow. To pro a stable sup of elect, energy mu be sto when produ exceeds dem. Large batt are beco cheaper a are n installed alon many so and wi farms. Ot solutions inc pumping wa uphill a releasing i through turb when po is nee. Advances in storage technology are therefore crucial to the transition away from fossil fuels.
退出
DET 中文备考