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
2019-01-25
65
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【C1】______? The Association of Flight Attendants (AFA),【C2】______which 42, 000 flight attendants with 7 airlines are represented, evidently thinks so. The organization claims that the incidence of air-quality-related diseases has【C3】______among its members and demands that prompt actions be【C4】______to improve the conditions in the airplane cabin.
A study the AFA【C5】______in 1997 uncovered about 1, 000 self-reported incidents of headaches, dizziness and memory loss【C6】______flight attendants and passengers. Some flight attendants were too ill to【C7】______their safety duties, while others have been permanently disabled.
Because of airlines’ efforts to【C8】______their expenses, cabin-air filters are not cleaned【C9】______. The complaints of flight attendants do not always give【C10】______to correct maintenance. Airlines turned to recycled air,【C11】______that they would reduce some of their costs. They are not required to put filters in. Airlines are【C12】______great pressure to get their flights out【C13】______. So they do not pay as much attention to systems that are not as【C14】______to flight schedule and safety.
Recent research findings emphasize the concern that filters can【C15】______engine chemicals into the cabin air. This may not happen【C16】______every flight, but it is a persistent problem.
In a study published in October 1998 an investigation was made【C17】______complaints of crew members【C18】______air quality and health. More than half of the 200 subjects reported health problems they【C19】______to cabin air. It was concluded that these health problems were consistent with【C20】______harmful gases and substances.
【C13】
选项
A、on time
B、at once
C、in line
D、in turn
答案
A
解析
on time按时,准时;at once立即;in line成一直线;in turn依次,轮流。根据后文的“flight schedule”可以推断出此处想表达的意思是“使航班准时发出”,故选A。
转载请注明原文地址:https://kaotiyun.com/show/j7Rd777K
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
HowmanypeopleworldwidehavebeeninfectedwithHIVsincethestartoftheepidemic?
61)PeopleintheUnitedStatesinthenineteenthcenturywerehauntedbytheprospectthatUnprecedentedchangeinthenation’s
Inoneverylongsentence,theintroductiontotheU.N.Charterexpressestheidealsandthecommonaimsofallthepeoplewhose
Inoneverylongsentence,theintroductiontotheU.N.Charterexpressestheidealsandthecommonaimsofallthepeoplewhose
Inoneverylongsentence,theintroductiontotheU.N.Charterexpressestheidealsandthecommonaimsofallthepeoplewhose
Broadlyspeaking,theEnglishmanisaquiet,shy,reservedpersonwhoisfully【21】______onlyamongpeopleheknowswell.In
Broadlyspeaking,theEnglishmanisaquiet,shy,reservedpersonwhoisfully【21】______onlyamongpeopleheknowswell.In
随机试题
两人搬运病人正确的做法是
快硬硅酸盐水泥不得在()环境条件下使用。
下列行为中,可以将风险转移至其他主体的有()。Ⅰ.风险分散化Ⅱ.保险Ⅲ.套期保值Ⅳ.取得担保、备用信用证
甲公司是一家大型零售企业,其20×9年度发生的相关交易或事项如下: (1)20×9年1月1日,甲公司与乙公司签订商业用房租赁合同,向乙公司租入A大楼一至四层商业用房用于零售经营。根据租赁合同的约定:商业用房的租赁期为10年,自合同签订之日算起,乙公司有
某女生,17岁,很喜欢语文老师,并总从他的眼神、表情中读出爱她的信息,独处时她还能看到他的笑容和他对她温情求爱的语声,其余未见异常。这是()。
材料三:阅读下面的短文,完成71—75题。耗资5000多万元的中国首个湿地公园——肇庆星湖湿地公园,日前在广东肇庆星湖风景名胜区内建成。肇庆星湖风景名胜区是中国第一个国家自然保护区和中国第一批世界生物圈保护区,也是中国风景名胜区ISO14000国
对建立良好的程序设计风格,下列描述正确的是()。
算法的空间复杂度是指
______theworseIseemtofeel.
【B1】【B11】
最新回复
(
0
)