题目Now the UK has a newlight bulb that can last 25years or more. It is green andenvironment-friendly(有利于环境保护的),and asbright as the old light bulbs,but it costs ￡ 30.Good news for swimmers.Do you want to talk to yourfriends under the water? RichStachowski invented this Wat...
Light bulbs that are used in enclosed or recessed fixtures heat up more than if they're used in open fixtures. LED bulbs are especially sensitive to heat and won't last as long if used in these types of fixtures. If you want your LED bulb to last longer, look for a bulb rated for...
Byline: Daily Mail ReporterIF you already dislike their dull glow and ugly appearance, here's another reason to take a dim view of energy efficient light bulbs.Many of the new LED bulbs don't last as long as they claim, tests show.Some did not even reach the EU's new minimum of 6...
...Use compact fluorescent light bulbs(紧凑型灯泡). It's true that these bulbs are more expensive, but they last much 78. longer (long) and they can save energy... 相关知识点: 试题来源: 解析 答案见上根据空前的“much”可知,此处形容词需用其比较级形式。 故填 longer。
Incandescent light bulb longevity and how to make it last longer General Electric Company was the first to patent a method of making tungsten filaments for use in incandescent light bulbs back in 1906, and the method hasn’t changed a great deal during that time. Although they do have the ...
"CFLs 5.___ energy and last longer. They can save money in the long run,"said a British official. CFLs use 67 percent 6.___ electricity than the older bulbs. They last up to 10 times longer. Experts say that if everyone used CFLs, electricity use would be cut by 18 percent. Ther...
Shop for Light Bulbs in Household Essentials. Buy products such as LED Light Bulbs, Edison Light Bulbs, Halogen Light Bulbs, Fluorescent Light Bulbs, Grow Light Bulbs, Specialty Light Bulbs, Appliance Light Bulbs, CFL Light Bulbs, and more on Walmart.com
百度试题 结果1 题目75.Long ago(很久以前),we didn't have light bulbs in the world. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
But today, many people want to turn the light off.The European Union recently decided that by 2016, people should stop using the Edison-style light bulbs. Instead,they should use Compact Fluorescent Lamps (CFLs节能灯).CFLs save energy and last longer. They can save money in the long run,...
Twitter Google Share on Facebook light bulb Dictionary Thesaurus Medical Acronyms Idioms Wikipedia light bulb aglassbulbcontainingagas,suchasargonornitrogen,atlowpressureandenclosingathinmetalfilamentthatemitslightwhenanelectriccurrentispassedthroughit