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
32
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.
【22】
选项
A、of
B、in
C、by
D、to
答案
C
解析
这里是由介词+关系代词which引导的定语从句,该句是被动语态,意为“27家航空公司的42000名空乘人员被AFA代表”,故选C。
转载请注明原文地址:https://jikaoti.com/ti/1hBsFFFM
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.
Childrenwhogriptheirpenstooclosetothewritingpointarelikelytobeatadisadvantageinexaminations,【31】______tothe
Besidesthefunctionsasavitalentertainmentmedium,whatelsecanpeopleuseaTVas?
Besidesthefunctionsasavitalentertainmentmedium,whatelsecanpeopleuseaTVas?
Accordingtothespeaker,whatareconveniencegoods?
ProfessorWangwentonalecturetourtoEdinburgh.
Whatisthemaintopicofthislecture?
Theconceptofobtainingfreshwaterfromicebergsthataretowedtopopulatedregionsoftheworldwasoncetreatedasajokem
Learningsciencehelpschildrentodevelopwaysofunderstandingtheworldaroundthem.Forthistheyhavetobuildupconcepts
Whatdoes"runoff"mean?
随机试题
[2011年,第13题]若级数收敛,则下列级数中不收敛的是()。
凭证一旦保存,下列()不能修改。
根据套利定价理论,套利组合满足的条件包括()。
在对消费者行为进行分析的过程中,对消费者偏好做出的假定不包括()。
下列有关一人有限责任公司的表述中,不正确的有()。
甲是某有限合伙企业中的有限合伙人,因为与乙的债务纠纷被诉诸法院,乙要求甲偿还债务,下列表述正确的是()。
丽江壁画是()纳西族社会大开放的产物。
简述夸美纽斯的教育适应自然原则。
在中国哲学中,认识和实践的关系表述为知和行的关系。从孔夫子到孙中山,十分重视知和行的探索,提出了许多深刻的思想。其主要观点有
A、8aB、-8aC、24aD、-24aB
最新回复
(
0
)