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
Many people who fly at least occasionally have come down with a cold or the flu shortly after disembarking. Is the air in airbor
Many people who fly at least occasionally have come down with a cold or the flu shortly after disembarking. Is the air in airbor
admin
2009-05-09
54
问题
Many people who fly at least occasionally have come down with a cold or the flu shortly after disembarking. Is the air in airborne commercial jets【21】______? The Association of Flight Attendants (AFA), 【22】______which 42, 000 flight attendants with 27 airlines are represented, evidently thinks so. The organization claims that the incidence of air-quality-related diseases has【23】______among its members and demands that prompt actions be【24】______to improve the conditions in the airplane cabin.
A study the AFA【25】______in 1997 uncovered about 1, 000 self-reported incidents of headaches, dizziness and memory loss【26】______flight attendants and passengers. Some flight attendants were too ill to【27】______their safety duties, while others have been permanently disabled.
Because of airlines’ efforts to【28】______their expenses, cabin-air filters are not cleaned【29】______. The complaints of flight attendants do not always give【30】______to correct maintenance. Airlines turned to recycled air, 【31】______that they would reduce some of their costs. They are not required to put filters in. Airlines are【32】______great pressure to get their flights out【33】______. So they do not pay as much attention to systems that are not as【34】______to flight schedule and safety.
Recent research findings emphasize the concern that filters can【35】______engine chemicals into the cabin air. This may not happen【36】______every flight, but it is a persistent problem.
In a study published in October 1998 an investigation was made【37】______complaints of crew members【38】______air quality and health. More than half of the 200 subjects reported health problems they【39】______to cabin air. It was concluded that these health problems were consistent with【40】______harmful gases and substances.
【37】
选项
A、on
B、from
C、to
D、in
答案
A
解析
只有on能与。investigation搭配,表示“关于…的调查”,故选A。
转载请注明原文地址:https://kaotiyun.com/show/3fPd777K
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
Somemoderncitiesareusuallyfamousforpeoplewholiveaverylongtime.
Somemoderncitiesareusuallyfamousforpeoplewholiveaverylongtime.
Somemoderncitiesareusuallyfamousforpeoplewholiveaverylongtime.
Somemoderncitiesareusuallyfamousforpeoplewholiveaverylongtime.
Somepeopleclaimthatstayinginaplaceallone’slifeisgoodforone’sgrowth,whileothersdisagreewiththeview,andth
Besidesthefunctionsasavitalentertainmentmedium,whatelsecanpeopleuseaTVas?
Besidesthefunctionsasavitalentertainmentmedium,whatelsecanpeopleuseaTVas?
Besidesthefunctionsasavitalentertainmentmedium,whatelsecanpeopleuseaTVas?
随机试题
将函数f(x)=展开为(x一1)的幂级数.
男,30岁,突发性中上腹刀割样疼痛3小时,体检:全腹部压痛、反跳痛、肌紧张。行腹部立位摄片发现膈下游离气体。推测该病人的腹膜炎产生的原因是
(2003年司考试题)证券发行中因虚假陈述致使投资者在证券投资中遭受损失的,发行人、承销商应承担赔偿责任,下列哪些人应负连带赔偿责任?()
背景东北某市新建一建筑面积39600m2的文化体育中心工程,地上6层,地下2层,局部埋深9m。工程选址位于某山坡,一半基础须回填,混凝土灌注桩局部桩承台加整体筏板基础,地上钢筋混凝土框架结构。3层会议厅主梁采用预制钢筋混凝土,1000人餐厅采用预
某工程采用工料单价法计价程序计算工程造价,以直接费为计算基数,已知该工程直接工程费为2000万元,措施费为200万元,间接费费率为10%,利润率为5%,综合计税系数为3.41%,则该工程的含税造价为()万元。
下列关于国家预算作用的表述,正确的是()。
2012年年末,按照贷款五级分类的口径,我国某商业银行各类贷款余额及贷款损失准备的情况是:正常贷款1000亿元;关注贷款100亿元;次级贷款20亿元;可疑贷款10亿元;损失贷款10亿元;贷款损失准备100亿元。根据上述资料,回答下列问题:根据
根据《合同法》的规定,下列要约中,不得撤销的有()。
根据所给资料,回答下列问题。某市统计局开展了一次关于市民参加慈善捐助活动的专题调查,成功访问了该市2003位16周岁及以上的常住市民。调查显示,47.5%的市民在过去一年中参加过不同种类的慈善捐助活动。在5类市民提供慈善捐
精神文明是()。
最新回复
(
0
)