Is it safe to make solar panels at home? Making solar panels at home can be risky if you are not familiar with electrical work and safety protocols. The process involves handling delicate materials and potentially hazardous components. While small-scale DIY projects can be safe with proper preca...
解析 科学家们在过去五年里做了很多实验,目的是让太阳能电池板更轻。所以正确答案是D。 1. 句子中“in the past 5 years”表示时间“在过去的五年里”,句子应该用现在完成时,故排除A、B选项。 2. 根据句意,科学家做实验的目的是为了让太阳能板更轻,应用比较级,故排除C选项。
解析 科学家在过去5年中做了很多测试,使太阳能电池板变得更轻。故答案选D。 1. 题干中“in the past 5 years”是现在完成时的标志性时间状语,所以第一个空应该用现在完成时态have done。 2. make+宾语+形容词,意为“使……变得……”,所以第二个空应该用形容词lighter,表示“更轻”。
Scientists have done many tests to make solar panels lighter in the past 5 years. 1. **句子结构**: 这是一个简单句,主语是Scientists,谓语动词需要根据句意和时态来填写。 2. **时态**: in the past 5 years 提示句子使用现在完成时,结构为have/has done。 3. **句意**: 科学家们在过去5年中...
Solar panels should last you 25 years or more. To get there, you'll need to find a reputable installer and perform some basic maintenance.
Have you ever seen a solar panel (太阳能电池板) in your neighborhood? Solar panels take energy from the sun and turn it into electricity. Over the past ten years, the price of solar panels has gone down greatly. In many parts of the world, solar energy is now the che...
根据 In many parts of the world,solar energy is now the cheapest form of electricity.可知在世界许多地方,太阳能现在是最便宜的电力形式。故选C.(2)C.细节理解题。根据However,solar panels also have their problems.They stop working at night and on rainy days.可知然而,太阳能...
Turns out, you can make solar panels work in cloudy citiesOrganic solar cells, which can be 3D-printed or coated over large areas, may make solar power realistic in perpetually gloomy cities like London and Seattle.Mother Jones
The question asks for the ideal location for floating solar panels to be most helpful. Let's analyze the options: * **A. In small cities with more rain and less sunshine.** Solar panels need ample sunshine to generate electricity effectively. More rain and less sunshine would make them les...
Making a commitment to Mother Nature doesn't have to mean installingsolar panels(although that's an awesome option). There are plenty ofenvironmentally friendlychanges you can make to your own home. Read on for 12 ways to easily turn your pad into aneco-palace. ...