首页
登录
职称英语
Wouldn’t it be great if you could just look up at the sky and read the weath
Wouldn’t it be great if you could just look up at the sky and read the weath
游客
2023-07-05
14
管理
问题
Wouldn’t it be great if you could just look up at the sky and read the weather forecast right away? Well, you can. The forecast is written in clouds. If you can read that writing, you can tell something about the atmosphere. With some practice, you can become a pretty good weather forecaster. Who knows, you might even do as well as meteorologists.
Meteorologists use much more information than just the appearance of the clouds to make their forecast. They collect data from all over the world. Then they put it into powerful, high-speed computers. This does give the meteorologists an advantage, because they can track weather patterns as they move from west to east across the country. But you have an advantage, too. You can look at the sky and get your data directly. A meteorologist uses a computer forecast that’s several hours old to make a local forecast.
What are you seeing when you look at a cloud? "A picture of moisture is doing in the atmosphere," says meteorologist Peter Leavitt. There’s moisture throughout the atmosphere. Most of the time you don’t see it, because it’s in the form of an invisible gas called water vapor. Sometimes, the temperature of the air gets cold enough to cause the water vapor to change to liquid water. It’s called
condensation
, and we see it happen all the time(for example, when humid air from the shower hits the cold glasses of a mirror). When enough water vapor condenses, droplets come in the air. These droplets scatter light. A cloud is seen.
Watching clouds over a day or two tells you a lot more than a single cloud about the weather to come. Changes in clouds show changes in the atmosphere. You should begin to notice patterns. Certain clouds, following each other in order, can signal an approaching storm. But don’ t take our word for it; see for yourself. [br] The word "condensation" in paragraph three means______.
选项
A、water vapor
B、the temperature of the air
C、humid air
D、water vapor changes to liquid water when the air is cold enough
答案
D
解析
词汇题。文中第三段指出.Sometimes.the temperature of the air gets coldenough to cause the water vapor to change to liquid water.It’s called condensation.即空气受冷,使水蒸气凝结成液态水,故选D。
转载请注明原文地址:https://www.tihaiku.com/zcyy/2809813.html
相关试题推荐
[originaltext]M:Wouldn’tyougetboredwiththesameroutineyearteachingthe
[originaltext]M:Wouldn’tyougetboredwiththesameroutineyearteachingthe
[originaltext]M:Wouldn’tyougetboredwiththesameroutineyearteachingthe
Wouldn’titbegreatifyoucouldjustlookupattheskyandreadtheweath
Wouldn’titbegreatifyoucouldjustlookupattheskyandreadtheweath
Wouldn’titbegreatifyoucouldjustlookupattheskyandreadtheweath
Wouldn’titbegreatifyoucouldjustlookupattheskyandreadtheweath
Wouldn’titbegreatifyoucouldjustlookupattheskyandreadtheweath
Wouldn’titbegreatifyoucouldjustlookupattheskyandreadtheweath
Wouldn’titbegreatifyoucouldjustlookupattheskyandreadtheweath
随机试题
[originaltext]W:I’vejustfinishedreadingSmith’slistofwaysofmotivating
Teamsarerequiredformostengineering
根据受托人是否为营业性信托机构,可以将信托区分为民事信托和营业信托。()
A.两次月经中间 B.基础体温高低温交替时 C.每次性生活后 D.基础体温
闲暇时间对于旅游需求量的多少具有较其他因素更为重要的约束作用是由于旅游产品的(
某国有资金投资建设项目,采用公开招标方式进行施工招标,业主委托具有相应招标代理和
简述现代企业人力资源管理各个历史发展阶段的特点。
每个社会成员都应该自觉遵守社会公德,主要因为( ) A.社会公德是精神文明建
下列关于相同条件的看涨期权多头和空头损益平衡点的说法,正确的有( )。A.看涨
根据政府间的关系可把政府间转移支付分为()。A.纵向转移支付 B.无条件转移
最新回复
(
0
)