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
Impact of Urbanization The effects of urbanization: Example: in the U.S. only【L31】________of land built on loss of 【L32】________
Impact of Urbanization The effects of urbanization: Example: in the U.S. only【L31】________of land built on loss of 【L32】________
admin
2022-03-30
104
问题
Impact of Urbanization The effects of urbanization: Example: in the U.S.
only【L31】________of land built on
loss of 【L32】________far larger
could impact on world【L33】________in future
Research methods:
a weather【L34】________ for clouds was used
land use divided into【L35】________.
data used to calculate the【L36】________of all areas
Results:
urban areas often built on the【L37】________
a second study confirmed that prime land is being converted 【L38】________of vegetation is lost per annum
The future:
countries such as【L39】________need to do investigations
stop investing in infrastructure in areas of fertile land
encourage people to move by giving them【L40】________.
【L39】
Hi, good morning everyone. I’m here today to present my findings on the process of urbanization and its impact on the environment. As you know, urbanization involves the movement of people from the countryside to the cities. As this process continues, the cities of the world continue to grow. I will demonstrate how this growth is eating away at the planet’s most fertile land.
My research has focused on two studies that looked at land use in the United States. These have shown that since its independence,
only three per cent of all land in the United States has been built on.
However, the same studies have also shown that the resulting
loss of productive land is comparatively much, much greater.
This isn’t so much of a problem in America as it has a relatively low ratio of people to land. However, most other countries are not so blessed, the impact of which could have dire consequences for the future. The real danger here is if this pattern were to be repeated by developing countries, it could have a major
effect on the world’s food supplies in the next 50 years.
In order to reach this conclusion, several research methods were adopted. A group of scientists in the United States
used a weather satellite
that normally maps moonly cloud cover at night. However, on nights when there were no clouds, they used the satellite to map the generation of heat from city lights. They then took the data and
divided land use into three categories:
urban, semi-urban and non-urban land use. Next, they calculate how active the vegetation is in each region by using different satellites. When they combined this information with previous statistics and weather conditions, they
came up with a number for total productivity for all areas.
So what did the results of this process of land classification show? Well, firstly, they proved that although only a tiny percentage of the land in the United States is urbanized, and 29% of land is used for agricultural purposes,
the land which has been built on actually has the best soils.
These were independently cooperated by a second team of scientists in San Francisco, whose results show that this process is happening even faster in the southeastern corner of the United States. This means that land is extremely productive from an agriculture point of view, is being taken over by lawns, golf courses and a few scattered trees. As a direct result of urbanization, the researchers in San Francisco calculated that every year
1 million tonnes of plants are ’lost’ in the U.S.
So what does this mean for the future? Well, I have come up with some of my own ideas for practical solutions. Countries should calculate whether urbanization is happening on their fertile lands too especially if they have large populations compared to the amount of land available,
1ike India and China,
for example. If it is, then every effort should be made to stop the process from happening This can be done in many ways. One of them is to stop investing in the infrastructure of those areas If people don’t have the facilities they need, they won’t want to live there. But in my opinion, the main solution here is to
offer people financial incentives
to move away from fertile land to areas that are less valuable in agricultural terms.
I hope you’ve enjoyed my presentation this morning. Thanks for your kind attention. I will now take any questions...
选项
答案
India, China
解析
录音中的calculate whether urbanization…对应题目中的do investigations,一些人口较多而相对可使用土地较小的国家可以对他们在城市化过程中的土地使用情况进行调查统计,尤其是印度和中国。
转载请注明原文地址:https://kaotiyun.com/show/bv8O777K
本试题收录于:
雅思听力题库雅思(IELTS)分类
0
雅思听力
雅思(IELTS)
相关试题推荐
ThesequestionsarebasedonPartBofReadingPassage3.InparagraphsAtoDtheauthordescribesfourprocesseswhichmaycon
ThesequestionsarebasedonPartBofReadingPassage3.InparagraphsAtoDtheauthordescribesfourprocesseswhichmaycon
WhysomewomencrossthefinishlineaheadofmenRECRUITMENTThecourseistougherbutwomenarestayi
TheReadingPassagehasfoursectionsA-D.Choosethemostsuitableheadingforeachsectionfromthelistofheadingsbelow.Wr
Lookatthedrawingsofdifferentprojectilesbelow,A-H,andthenamesoftypesofprojectilesgiveninthepassage,Questions
Youshouldspendabout20minutesonQuestions1-13whicharebasedonReadingPassage1below.LEARNINGBYEXAMPLESALearning
Youshouldspendabout20minutesonQuestions1-13whicharebasedonReadingPassage1below.AffordableArtArtpriceshavef
Completethenotesbelow.WriteNOMORETHANTWOWORDSAND/ORANUMBERforeachanswer.ExampleMIDDLEBURYLANGUAGESCHOOLCLASS
Whichfacilitiesmightinfluencehousingprices?
随机试题
行政许可申请可以通过()等方式提出。
用高率放电计测量蓄电池小电流放电时端电压,以判断蓄电池放电程度和起动能力。()
Graves病的主要临床表现是()(2005年)
A.听神经B.皮肤C.胸膜D.后腹膜E.后纵隔神经纤维瘤常发生在
吗啡在空气中的氧或弱氧批剂存在下均可被氧化,下列何因素可加速其氧化速度
甲、乙、丙经协商共同成立顺发搬家有限责任公司,甲为董事长,乙任业务经理,丙为财务负责人。公司规章约定,购置公司财产超过20万元的,应当经三人协商同意。为更换车辆更好地承接业务,甲未经与乙、丙协商,购置一辆价值25万元的运货车。在一次搬运过程中,公司员工A、
按照《巴塞尔资本协议》的要求,商业银行的核心资本充足率指标不得低于________,资本充足率不得低于________,附属资本最高不得超过核心资本的________。()
物业管理企业超越资质等级承接物业管理业务的,由县级以上地方人民政府房地产主管部门予以警告,责令限期改正,并处()的罚款。
根据以下资料,回答下列题。2008年下列哪种农产品的生产价格指数最低?()
Imagineaworldinwhichtherewassuddenlynoemotion—aworldinwhichhumanbeingscouldfeelnoloveorhappiness,noterror
最新回复
(
0
)