首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
According to the passage, which results in less rain and lower overall humidity?
According to the passage, which results in less rain and lower overall humidity?
admin
2012-01-19
83
问题
According to the passage, which results in less rain and lower overall humidity?
For those of us lucky enough to always have enough food and water, it may be hard to imagine living through a drought. A drought occurs for a variety of reasons, usually including a lack of rainfall and high temperatures. Soil moisture severely dwindles. Why and how do these meteorological events occur?
As air swirls around the earth, it rises and sinks over different areas of the globe. When air rises it cools and loses moisture. When air sinks, it grows warmer and absorbs moisture, drying out the land. Sinking air helps to form deserts, such as the Sahara Desert in Africa.
Warm, sinking air can hamper cloud formation, which results in less rain and lower overall humidity. When these conditions occur in an area that normally receives enough rain to allow plants to grow and keep water sources replenished, a drought can ensue. The Dust Bowl that affected the prairie regions of the United States was one infamous drought. An equally severe drought occurred in the United States in the summer of 1988. Rainfall over the mid-west, Northern Plains, and the Rockies was fifty to eighty-five percent below normal.
Sometimes over-fanning and soil erosion contribute to drought, but there are also natural disasters that can occur when soil is carefully preserved. When a drought hits, there’s little that can be done to end it. Water and soil conservation can help, but until the rains come again there’s not much science can do.
选项
A、air swirls
B、moisture
C、rainfall
D、sinking air
答案
D
解析
转载请注明原文地址:https://kaotiyun.com/show/7Axd777K
本试题收录于:
公共英语四级笔试题库公共英语(PETS)分类
0
公共英语四级笔试
公共英语(PETS)
相关试题推荐
Accordingtogovernmentstatistics,menofallsocialclassesinBritainvisitpubsquiteoften,【21】______thekindofpubth
RealpolicemenhardlyrecognizeanyresemblancebetweentheirlivesandwhattheyseeonTV.Thefirstdifferenceisthata
Imagineaworldinwhichtherewassuddenlynoemotion—aworldinwhichhumanbeingscouldfeelnoloveorhappiness,noterror
Imagineaworldinwhichtherewassuddenlynoemotion—aworldinwhichhumanbeingscouldfeelnoloveorhappiness,noterror
WhydoscientistsplantotransmitwavesthroughthePacificOcean?
Conventionalwisdomaboutconflictseemsprettymuchcutanddried.Toolittleconflictbreedsapathy(冷漠)andstagnation(呆滞).
Conventionalwisdomaboutconflictseemsprettymuchcutanddried.Toolittleconflictbreedsapathy(冷漠)andstagnation(呆滞).
In1942,theHMSEdinburghwassunkintheBarentsSea.Itwasonits【21】______backtoBritainwithninety-oneboxesofRussian
Oilandalcohol
hatredandpassion
随机试题
对原始艺术的发生起到了关键的中介环节作用的是原始人的_______。
猪疥螨的寄生部位是()。
下述哪项肝细胞的病理改变与乙型肝炎病毒(HBV)感染有关?()
简述有爆炸危险的厂房、仓库采取有效的防爆措施。
因为有了()基本假设,从而产生了收付实现制和权责发生制两种会计基础。
制订物业管理计划的基本原则有()。
比尔,盖茨确立了10大优秀员工准则,其中,第四条是“与公司制定的长期目标保持一致”。下列说法中,你认为与上述“第四条”意思相符的是()。
重测信度的主要误差源是()
计算并填写下表:
SQL语言又称为______。
最新回复
(
0
)