首页
登录
职称英语
[originaltext] Your professor has asked me to talk to you today about the to
[originaltext] Your professor has asked me to talk to you today about the to
游客
2024-05-09
16
管理
问题
Your professor has asked me to talk to you today about the topic that should be of real concern to civil engineers: the erosion of the US beaches. Let me start with some statistics. Did you know that 90% of the coast in this country is eroding, on the gulf of Mexico for instance, erosion averages 4 to 5 feet per year? Over the past 20 years, there has been all increase in building along the coast, even though geologists and environmentalists have been warning communities about problems like erosion. Someway, communities have tried to protect their buildings and roads and to build seawalls.
However, geologists have found that such stabilizing structures actually speed up the destruction of the beaches. These beaches with seawalls, called stabilized beaches, are much narrower than beaches without them. You may wonder how seawalls speed up beach loss. The explanation is simple. If the flow of the beaches is gentle, the water energy is lessened as it washes up along the shore. It is reduced even more that returns to the sea so it doesn’t carry back much sand. On the other hand, when the water hits the nearly-vertical face of the seawall, it goes straight back to the sea with the full force of its energy and it carries back a great deal of sand. Because of the real risk of losing beaches, many geologists support a ban on all types of stabilizing construction on shorelines.
选项
A、To protect beachfront property.
B、To reduce the traffic on beach roads.
C、To provide privacy for homeowners.
D、To define property limits.
答案
A
解析
分析选项可知,本题可能与做某事的目的有关。由文中提到的... communities have tried to protect their buildings and roads to build seawalls可知,居民们建海堤是为了保护他们的财产,故答案为A项。
转载请注明原文地址:https://tihaiku.com/zcyy/3590306.html
相关试题推荐
[originaltext]TheUnitedStatesisprimarilyanEnglishspeakingcountry.T
[originaltext]TheUnitedStatesisprimarilyanEnglishspeakingcountry.T
[originaltext]Yourprofessorhasaskedmetotalktoyoutodayabouttheto
[originaltext]W:AreyougoingtothefairnextSaturday?M:Whatfair?W:The
[originaltext]W:AreyougoingtothefairnextSaturday?M:Whatfair?W:The
[originaltext]W:AreyougoingtothefairnextSaturday?M:Whatfair?W:The
[originaltext]W:Isitthatyou’venevermettherightwoman?Isthatit?M:I
[originaltext]Londonisacitysittingonameanderingriver,withpalaces
[originaltext]Londonisacitysittingonameanderingriver,withpalaces
[originaltext]Throughtheyearsofbeinganadvisorattheuniversity.I’v
随机试题
Atmosphericpressurecansupportacolumnofwaterupto10metershigh.But
MaintainingFriendshipinAdolescence
Howardisprobably[originaltext]W:Hi,Howard.Whatareyouworkingon?M:Hi,
IwonderifIshouldmakeareservationifIwanttoeatdinnerherelater.A、我很奇
有效期满需要延期的,建筑施工特种作业人员应当于期满前()个月内向原考核发证机关
水利部批准发布的《水利水电工程设计工程量计算规定》(SL328—2005)的正
关于全科医生的描述正确的是A.全面掌握各科业务技术的临床医生 B.提供全部“六
下列不属于新课程中选取化学教学内容原则的是( )。A、十分强调知识的逻辑顺序
在监视居住期间,应当中断对案件的侦查、起诉和审理。( )
蟾酥的药用部位是A.螳螂科 B.乌贼科 C.蝰科 D.游蛇科 E.眼镜蛇
最新回复
(
0
)