Can drinking water be boiled for more than one time?

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• what will happen if we can be in more than one place at the same time?
• 英语翻译Many people say that they are working too many hours.They don’t have enough time with their families.They can’t take care of things at home.They don’t have time to relax.Work hours vary from one country to another.In France,people spend about 1646 hours a year at work.In Japan,however,people work about 2159 hours a year.That means a Japanese employee works 513 more hours a year than a French employee.That is more than 12 weeks,or three months,or e
• Hundreds of years ago,life was much harder than it is today.People didn’t have modern machines.There was no modern medicine,either.Life today has brought new problems.The biggest one is pollution.Water pollution has made our rivers and lakes dirty.It kills our fish and pollutes our drinking water.Noise pollution makes us talk louder and become angry more easily.Air pollution is the most serious kind of pollution.It’s bad to all living things in the wo
• 帮忙做个英语的阅读题,Doctors have known for a long time that extremely loud noises can cause hearing damage or loss.The noise can be the sound of a jet airplane or machines in factories or loud music or other common sounds found at home and at work.A person only needs to hear the noise for little more than one second to be affected.An American scientist had found that using aspirin could increase the temporary hearing loss or damage from loud noise.He did an ex
• 英语翻译it can be dropped one time one sect or many times more than a sect according to the different content of copper,sulfur ,iron and zinc in the ore.
• 1.已知x-2y=3,当x满足6≤2x-1＜13时,请确定y的取值范围.英语：一.同义句转换1.I'd like to buy a new silk shirt.I___ ___ ___ a new silk shirt.2.Everyone has a good time at the fashion show.Everyone___ ___at the fashion show.3.We all like playing football.___ ___ ___like playing football.4.Our school has more than one hundred teachers.___ ___ ___one hundred teachers___ ___ ___.5.Can I have another apple?Can I have ___ ___ apple?二.句型转换1.I did my homework yesterday evening.(变为否定句)I __
• 英语翻译To my mind,in any analysis of the professions,few can match teaching.One needs to be energetic,certainly,for occasionally it seems one hardly has time to cath his breath.It can mean staying up late in order to get lessons prepared on time.Nonetheless,I am convinced that the work is more stimulating than that of my adminstrative colleagues.I certainly would not wish switch,even though the pay is higher.With teaching,the pach of life is more varied,
• 英语翻译Have you ever been to Singapore?你曾经去过新加坡吗?Have you ever been to Singapore?For many chinese tourists,this small island in Southeast Asia is a wonderful place to take a holiday.On the one hand ,more than three quarters of the population are Chinese,so you can simply speak Putonghua a ot of the time .On the other hand ,Singaore is an English-speaking country,so it’s also a good place to practice your English!你曾经去过新加坡吗?对于许多中国旅行者,这个在亚洲东南部的小岛屿是一个度假的好地方.
• 英语填空不会,The sun(太阳）文章内容：　　There is nothing more important in life than the sun .Without the sun all living things on Earth would die.\x05　\x05　　The sun is a star .In the sky there are thousands of star like the　 sun .They are as large as the sun and as hot as the sun .At night you can see many stars,but in day-time you can only see one star ---the sun.\x05　\x05　　The sun is much nearer to us than any other star.That is why it books like the biggest and
• 英语阅读,Doctors have known for a long time that extremely loud noises can cause hearing damage or loss.The noise can be the sound of a jet airplane or machines in factories or loud music or other common sounds found at home and at work.A person only needs to hear the noise for little more than one second to be affected.An American scientist had found that using aspirin could increase the temporary hearing loss or damage from loud noise.He did an experime
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• She had more heart than anyone.这里的heart做什么讲?