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
The economic costs of noise to society are several. Airports are currently op- erating at less than capacity because of noise re
The economic costs of noise to society are several. Airports are currently op- erating at less than capacity because of noise re
admin
2010-10-28
84
问题
The economic costs of noise to society are several. Airports are currently op-
erating at less than capacity because of noise regulations, which restrict their 【S1】______.
hours of operation. For instance, at Washington’s national airport no jet traffic is
allowed from 11 p. m. to 7 a. m. Other airports restrict the use of certain run-
ways. One estimated is that noise restrictions reduce possible airport use by 20 【S2】______.
percent. The profitable cargo trade is especially affected by night restrictions.
In the case of airports, jet engines may be modifying to reduce their noise lev- 【S3】______.
el, or insulation (隔音) from air traffic noise may be provided by the purchasing 【S4】______.
of land around airports. It is estimated that $ 5.7 billion would be required to
equip all existing jet engines for noise control devices. However, 【S5】______.
consider the current state of the art, even taking this step will not reduce noise 【S6】______.
levels at all points to acceptable values. Some combination of methods is proba-
bly necessary.
If all aircraft are made quieter by existing methods, there would be a number 【S7】______.
of economic benefits. An increase in airport capacity would occur. Property val-
ues near airports might rise. Transportation costs to and from airports could be
increased since the airports now could be located closer to population centers. 【S8】______.
Much research still needs to be done on the economic aspects of noise re-
duction and noise effects. Although some of the effects of noise pollution are
known, more must be discovered about their effects on health, productivity, prop- 【S9】______.
erty values and the quality of life. Furthermore. the cost of noise pollution to the
economy as a whole needs to be investigated.
The public must be alert about the dangers and economic costs of noise poi- 【S10】______.
lution so that people may make intelligent choices and exert appropriate pres-
sures.
【S6】
选项
答案
consider→considering
解析
非谓语动词误用。此处分析句子结构可以推断consider引导的部分应当是分词做伴随状语,因此用现在分词形式。
转载请注明原文地址:https://kaotiyun.com/show/cZz7777K
0
大学英语六级
相关试题推荐
PassageOneItcanbeshowninfactsendfiguresthatcyclingisthecheapest,mostconvenient,endmostenvironmentallydes
PassageOneItcanbeshowninfactsendfiguresthatcyclingisthecheapest,mostconvenient,endmostenvironmentallydes
PassageOneItcanbeshowninfactsendfiguresthatcyclingisthecheapest,mostconvenient,endmostenvironmentallydes
Couldthebadolddaysofeconomicdeclinebeabouttoreturn?SinceOPECagreedtosupply-cutsinMarch,thepriceofcrudeoil
Couldthebadolddaysofeconomicdeclinebeabouttoreturn?SinceOPECagreedtosupply-cutsinMarch,thepriceofcrudeoil
A、Becauseshewantedtoseeheroldhouse.B、Becauseshethoughtofherparents.C、Becauseshewasnotgoodatsinging.D、Becaus
Politicalinstitutionsdevelopwhenthecomplexityofthesocietyreachesthepointatwhichkinshiporganizationcannolonger
A、Plantingcrops.B、Clearingnewland.C、Buildinghouses.D、Caringforanimals.D
Themostinterestingarchitecturalphenomenonofthe1970’swastheenthusiasmforrefurbishingoldbuildings.Obviously,thisw
Themostinterestingarchitecturalphenomenonofthe1970’swastheenthusiasmforrefurbishingoldbuildings.Obviously,thisw
随机试题
铝及铝合金的手工钨极氩弧焊一般采用()电源。
乙公司于2013年12月15日以600万元购入一项生产用固定资产,估计其使用寿命为10年,按照年限平均法计提折旧,预计净残值为零。假定税法规定的折旧年限、折旧方法及净残值与会计规定相同。2015年12月31日,乙公司估计该项固定资产的可收回金额为400万元
A、It’sfilledwithlies.B、Itdoesn’tdescribeallher.C、Itistoolong.D、Itcontainsonelie.B“That’snotquitetrue.Myfath
自身免疫性溶血性贫血( )。缺铁性贫血( )。
定作人提供原材料的,原材料的风险自定作人将原材料交付承揽人时转移于( )。
下列关于计量结果确认的说法,不正确的是()。
电线电缆成束敷设时,应采用()。
简要分析雕塑《命运三女神》。
(1)将考生文件夹下HARE\DOWN文件夹中的文件EFLFU.FMP设置为存档和只读属性。(2)将考生文件夹下WID\DEIL文件夹中的文件ROCK.PAS删除。(3)在考生文件夹下HOTACHI文件夹中建立一个新文件夹DOWN。(4)将考生文件夹
Davidisgettingalong(good)______withhisclassmatesthanbefore.
最新回复
(
0
)