关于下列四幅图中解释错误的是（）A．深秋，我县出现大雾天气，雾气缭绕是水蒸气降温液化形成的B．火箭升空时，发射架下出现大量“白雾”是水先汽化后液化的结果C．301国道旁的雾凇-八年级物理

更多内容推荐

• 如图所示，常温下的两个烧杯分别盛有冰块和热水，杯口分别盖有玻璃片a、b．一段时间后，观察到玻璃片表面出现小水珠，下列说法中正确的是（）A．小水珠都在a、b的上表面B．小水珠-八年级物理
• American cities are similar to other cities around the world; In every country. Cities reflect the
• What is the color of the universe? Astronomers did not answer this question until two months ago. Th
• 下列说法中不正确的是（）A．夏天打开冰箱门看到的“白气”是从冰箱里冒出的水蒸气B．霜是空气中的水蒸气遇冷凝华形成的C．用久的灯泡钨丝变细是升华现象D．雾和露都是空气中的水蒸-八年级物理
• 第二部分：阅读理解（共20小题；每小题2分，满分40分）阅读下列短文，从每题所给的四个选项中，选出最佳答案。Son’s HelpMr. Lang worked in a factory. As a d
• Consulates (领事馆) exist to help citizens abroad to help themselves. Every year millions of people go
• 下列说法中正确的是（）A．零下20℃的液体不可以蒸发B．很冷的地方用酒精温度计而不用水银温度计，是因为水银比酒精凝固点高C．被100℃的水蒸气烫伤比用100℃的水烫伤更严重，是因为-八年级物理
• 日常生活中使用的打火机是用______方法使可燃气体______后贮存在机壳内．-物理
• 如图所示，属于液化现象的是（）A．雪B．雾凇C．冰D．露珠-八年级物理
• 第二节完型填空（共20小题；每小题1.5分，满分30分）阅读下面短文，掌握其大意，然后从21—40各题所给的四个选项（A、B、C和D）中，选出最佳选项。One day a small group of
• Sightseeing Tours in GermanyGermany has a variety of cities each with its own characteristics, from
• Every day we experiencc one of the wonders of the world around us without even realizing it It is n
• 医用氧气瓶中的氧是以______存在的，它是通过对氧气在常温下______的方法，使之______后贮存在氧气瓶中的．-八年级物理
• GUANGZHOU：Young migrant workers(民工)left home alone are more likely to commit crimes，according to a r
• 当锅中的水沸腾后，水面上方会出现“白气”，但当加热的火熄灭后，水面上方的“白气”反而更多，这是为什么？-八年级物理
• 第三部分阅读理解（共15小题；每小题2分，满分30分）请认真阅读下列短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题纸上将该项涂黑。John Davis doesn-英语
• 在下列几种物态变化现象中，属于液化的是______；属于熔化的是______；其中①是______（填“放热”或“吸热”）过程．①凉在室外的湿衣服变干了；②夏天，揭开冰棒包装纸后会看到冰棒冒-八年级物
• 寒冷的冬季，我们常看到呼出的“白气”，而炎热的夏天却看不到，请解释为什么？答：______．-八年级物理
• 夏天，小雨将冰水和热水分别注入常温下的两只透明烧杯中，如图所示．一会儿发现两只烧杯的杯壁上都有一部分出现小水珠，变得模糊了．针对这一现象，下列说法正确的是（）A．甲、乙-八年级物理
• In the United States in the early 1800’s, individual state governments had more effect on the econom
• The British last an average of eight minutes and twenty-two seconds before they lose temper, accordi
• Alex London Research Laboratory (ALRL) is part of Alex Co., Ltd., a major Australian medicine-makin
• Boiler rooms are often dirty and steamy, but this one is el.ean and cool. Fox Point is a very new47-
• Vienna－In spite of Iraq’s decision to stop oil deliveries, the 11- nation Organization of Petroleum
• 装在打火机中的丁烷气体是液态，那么将气体装入过程中，是丁烷气体发生了______，这是采用了______方法使其______的．-八年级物理
• The Great Wall of China is one of Beijing’s biggest draws for tourists; despite its fame and ubiquit
• 使气体液化的方法有______和______两种，液化石油气就是采用______的方法使气体液化的．-八年级物理
• 夏天，从冰箱中取出的鸡蛋，常看到鸡蛋先湿后干的现象，此现象反映的物态变化过程是（）A．先液化后蒸发B．先熔化后蒸发C．先液化后凝固D．先蒸发后液化-八年级物理
• 第三部分：阅读理解（共20小题，每小题2分，满分40分）Chinese people are now spending more time surfing the net than watching
• Was Princess Diana murdered? The verdict（判决）is no according to an inquiry（调查）held into the cause of
• 阅读下列材料，回答问题．如图是关于水循环的示意图．地球上的水在不停地循环着．阳光晒暖了海洋，水变成水蒸气升到空中，形成暖湿气流．暖湿气流遇到冷空气后水蒸气液化成小水滴-物理
• While scientists are worried that humans are causing higher temperatures on the Earth, a Maryland ma
• Brave Frenchman Found Half-way Around the World(NEW YORK) A French tourist highly praised for rescu
• EHow words came into being is unknown.All we assume is that some early men invented cortain sounds,i
• 寒假的某一天，小洁随爸爸一起外出，突然发现汽车的前窗玻璃蒙上一层雾气，前方道路看不太清楚．小洁正担心行车安全时，只见爸爸打开空调开关，对着玻璃吹暖风，不一会儿玻璃-八年级物理
• Singapore’s public transport system is one of the best in the world, so you should have no problem f
• 第三节完形填空（20×1.5分）A mining（采矿的）engineer enjoyed flying very much. One day, he was flying his own plane
• 2011年9月29日晚，“天宫一号”在“长征二号F”火箭的推动下升向太空，请你结合物理知识解释下列问题：（1）火箭中的燃料和氧化剂是______（填“固”、“液”或“气”）态的，它是通过既___-八年
• 阅读理解。 London started its first major bike hire scheme (方案) on July 30th. Transport For London (TFL),
• 我国南方某些地区有用“番薯、酒曲、水”做原料酿造“地瓜酒”的习俗．首先将番薯煮熟，晾到一定的温度后，把番薯、酒曲、水按一定比例混合并搅拌均匀，经发酵40天左右，其间每天-八年级物理
• The First of May is a Bank Holiday—the first public holiday of the year in England. Most people cons
• EHumans are naturally drawn to other life forms and the worlds outside of our own. We take delight i
• 李白的“日照香炉生紫烟，遥看瀑布挂前川．飞流直下三千尺，疑是银河落九天．”一诗中包含了很多物理知识，从物态变化的角度看，“生紫烟”属于______现象（填物态变化的名称）；“飞-物理
• 仔细观察“水循环状态变化图”，请在空白方框内填上适当的物态变化名称．①______，②______．-八年级物理
• With the Tesla Roadster and other plug-in（插入式）electric vehicles hitting the road, demand is growing
• The Japanese believe that a person has two souls, each necessary. One is the “gentle” soul; the othe
• Country music is one of the most popular kinds of music in the United States today because it is abo
• Illegal removal of coral(珊瑚) along Sri Lanka’s coastline increased the amount of destruction on the
• 第三部分：阅读理解（共20小题；每小题2分，满分40 分）阅读下列短文，从每题所给的A、B、C、D四个选项中，选出最佳选项。ASri Lankan police made an appeal for
• In urban China，where English is almost the official second language，many Chinese people have learned