衣橱中的卫生丸时间长了会变小，原因是发生了（填写一种恰当的物态变化）；冰箱冰冻层的雪糕上沾有霜花，原因是发生了．-八年级物理

更多内容推荐

• 阅读理解。 In the past, when people had problems, they went to their families or friends to get advices.
• 阅读理解。 Do you know something about the holiday camps in Hong Kong? The students in Hong Kong used to
• 阅读理解。Dear Sir, I have to travel every day from Souk Road to the airport. Two buses travel along thei
• 阅读理解。 A child's birthday party should be one of the most fun events of the year, for the birthd
• 阅读理解。 Anybody running a company knows that a well-planned conference can greatly improve performance
• 任务形阅读。 We all look forward to vacations. They can give our daily life colorful meaning. Moreover, in
• 完形填空。 The morning in London was wet, wet, wet. I had to check out from the1before noon, and then I w
• 阅读理解。 My topic today is the Internet. It was prompted (引出) by the first letter, which I am unable to
• 阅读理解。 Let children learn to judge their own work. A child learning to talk does not learn by being c
• 完形填空。 The eyes are one of the most expressive instruments of body language. Keith, seventeen, from M
• 下面是一篇应用文及其应用场合的信息，请阅读下列应用文和相关信息，并按照要求匹配信息。选项中有一项是多余选项。阅读下面六款手机的介绍，选出符合各人需求的最佳款式。 -高二英语
• Children and teenagers who spend lots of time in front of screens---especially TVs---are easier to g
• Climate change could affect food supplies, water resources, human health and homes.If greenhouse gas
• Nuclear power’s danger to health, safety, and even life itself can be summed up in one word: radiati
• Health experts are calling for action to increase cancer care and control in the developing world. A
• As we get older, the fear of not having a good memory grows for many people. A lot of people 48that
• When it comes to eating smart for your heart, stop thinking about short-term solutions and simplify
• Overweight has been a great concern for some people. In an attempt to keep normal weight, people hav
• Since 1950, the amount of information about the nutrition of food has increased by nearly 900 percen
• Lots of folks don't think about what they eat over the holiday season until January, when they
• Every hour spent in watching TV, DVDs and videos as an adult reduces life expectancy by almost 22 mi
• The clock rules our lives. The more we try to save time, the less time we seem to have. In every are
• There are many ways to keep kids of all ages physically fit besides sports.If your child is a natura
• If you haven’t heard or seen anything about Road Rage in the last few months, you’ve probably been a
• In the United States, 30 percent of the people have a “weight problem”. To many people the cause is
• Many grown-ups worry that spending too much time playing video games isn’t good for a kid’s health.
• Is there anything more important than health? I don’t think so. “Health is the greatest wealth.” wis
• 阅读下面短文，从每题所给的四个选项中，选出最佳答案。Hi, dear boys and girls! Do you know how to be a healthy kid? Here are som
• American farmers are raising five percent more goats for meat these days． Goat meat is high in prote
• We all have ideas about what kinds of foods are good to eat. We also have ideas about what kinds of
• About ten men in every hundred suffer from color blindness in some way. Women are luckier; only abou
• Not long ago , Richard Denniston found himself suffering the same pain that millions of other pet ow
• Growing numbers of people are becoming addicted to text messaging（手机信息）, a German doctor warned rec
• Scientists say they have discovered a promising treatment for sleeping sickness, a killer disease th
• D The rising costs of health care have become a problem for many countries in the world. To deal wit
• Several years ago, well-known writer and editor Norman Cousins became very ill. His body ached and h
• It came with devastating force,a natural disaster of strange intensity that shocked the world and ki
• Brian Walker chews pens. He bites them so hard that his boss has warned him to stop or buy his own.
• BMore than 10 years ago, it was difficult to buy a tasty pineapple. The fruits that made it to the U
• 阅读理解。 Modern man has cleared the forests for farmland and for wood, and has also carelessly burned t
• Most American kids love Halloween treats, but a bucket of Halloween candy can be a dentist's n
• 阅读理解 Driving a car is not just handling controls and judging speed and distance. It requires you to
• 阅读理解 Why did the chicken cross the road? To get to the other side. Most people know this joke. But r
• 阅读理解 Living in a green area can make you live longer, according to the research published today. The
• 完形填空。 Here's a new warning from health experts: Sitting is deadly. Scientists are increasingly
• 阅读理解。 Inaworldwithlimitedland,waterandothernaturalresources(资源),theharmfromthetraditionalbusinessmod
• 根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 Our Fears Can Change the Reality of the SituationAt time
• 阅读下面短文 ,并根据短文后的要求答题 (请注意问的字数要求) 。 [1] Hello. It's one of the first words we learn as babies, y
• 阅读理解。 Celia was shocked. She had always been in good shape during high school, but now, in her first
• 阅读理解。 请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。注意：每空格1个单词。 Wondering how many calories the banana cream