Using energy-efficient light bulbs can ___ electricity. A. save B. waste C. use D. pollute 相关知识点: 试题来源: 解析 A。使用节能灯泡可以节约电。“waste”是浪费,“use”是使用,“pollute”是污染。考查环保行为与节能的关系。反馈 收藏 ...
百度试题 结果1 题目Using energy-efficient light bulbs can help us ___ electricity. A. save B. waste C. use D. spend 相关知识点: 试题来源: 解析 A。节能灯泡可以帮助我们节约电。“waste”“use”“spend”在这个语境中不合适。反馈 收藏 ...
In order to save electricity, we should use energy-efficient light bulbs. Which word means “energy-efficient”? A. powerful B. economical C. bright D. colorful 相关知识点: 试题来源: 解析 B。解析:本题考查词汇理解。powerful 强大的;economical 节能的;bright 明亮的;colorful 多彩的。根据句意...
Energy-efficient light bulbs use less electricity than traditional bulbs. This is because they are designed to be more efficient in converting electricity into light. The underlined part “converting” means ___. A. changing B. saving C. wasting D. producing 相关...
5. We need to buy some light bulbs for the lamps in the office. 6. The light bulb in the hallway went out, so I replaced it with a new one. 7. Thomas Edison's invention of the light bulb revolutionized the world. 8. The light bulb in the bathroom is flickering, it needs to be...
During his first public demonstration(展示)of his incandescent light(白炽灯) bulb on December 31,1879, he said, "We will make electricity so cheap that only the rich will burn candles." Light bulbs were not the only things Edison worked on. He also built the first industrial research ...
Novices tend to have inadequate understandings of what happens at the level of atoms and electrons, leading to difficulty predicting the outcomes of electrical circuits at the level of wires, resistors, and light bulbs. In this paper, we argue that integrating micro and macro representations of ...
It is said that the new light bulbs ___ less electricity. (consume, consumption)的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuati.com)是专业的大学职业搜题找答案,刷题练习的工具.一键将文档转化为在线题库手机刷题,以提高学习效率,是学习的生产力工具
Where will you be in over a decade? Based on 3 hours per day usage Mercury free Unlike other bulbs, LEDs don't contain harmful mercury. Durable & strong Its solid structure means shattered light bulbs are a thing of the past. Find your bulb...
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