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
Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag makes business travelers less productive and more pr
Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag makes business travelers less productive and more pr
admin
2010-06-30
82
问题
Most people who travel long distances complain of jetlag (喷气飞行时差反应). Jetlag makes business travelers less productive and more prone 【21】______ making mistakes. It is actually caused by 【22】______ of your “body clock” a small cluster of brain cells that controls the timing of biological 【23】______ The body clock is designed for a 【24】______ rhythm of daylight and darkness, so that is thrown out of balance when it 【25】______ daylight and darkness at the “wrong times in a new time zone. The 【26】______ of jetlag often persist for days 【27】______ the internal body clock slowly adjusts to the new time zone. Now a new antijetlag system is 【28】______ that is based on proven 【29】______ pioneering scientific research. Dr. martin Moore-Ede has 【30】______ a practical strategy to adjust the body clock much sooner to the new time zone 【31】______ controlled exposure to bright light. The time zone shift is easy to accomplish and eliminates 【32】______ of the discomfort of jetlag.
A successful time zone shift depends on knowing the exact times to either 【33】______ or avoid brightlight. Exposure to light at the wrong time can actually make jetlag worse. The proper schedule 【34】______ light exposure depends a great deal on 【35】______ travel plans.
Data on a specific flight itinerary(施行路线) and the individual’s sleep 【36】______ are used to produce a Trip Guide with 【37】______ on exactly when to be exposed to bright light.
When the Trip Guide calls 【38】______ bright light you should spend time outdoors if possible. If it is dark outside, or the weather is bad, 【39】______ you are on an aeroplane, you can use a special light device to provide the necessary light 【40】______ for a range of activities such as reading, watching TV or working.
【39】
选项
A、or
B、and
C、but
D、while
答案
A
解析
本题测试考生使用连接词的能力。空格所在句子的前半部分意思是“如果外面天黑了,或是天气不好,——你在飞机上……”。这里有3个表示非此即彼之意的并列结构,显然应填入一个意为“或是”的词,因此A项or是答案。B,C和D都与句意不合,不可能是答案。
转载请注明原文地址:https://kaotiyun.com/show/qJJd777K
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
ItisinterestingtoreflectforamomentuponthedifferencesintheareasofmoralfeelingandstandardsinthepeoplesofJap
ItisinterestingtoreflectforamomentuponthedifferencesintheareasofmoralfeelingandstandardsinthepeoplesofJap
tosavepeople/(tohelppeople)
Itwasamomentmostbusinessexecutiveswouldpausetosavor:latelastyear,GermansportinggoodspioneerAdidaslearnedthat
Itwasamomentmostbusinessexecutiveswouldpausetosavor:latelastyear,GermansportinggoodspioneerAdidaslearnedthat
Whydopeoplealwaysspendmoremoneythanplannedinsupermarkets?
Whydopeoplealwaysspendmoremoneythanplannedinsupermarkets?
随机试题
以下不属于内脏的系统是
企业处置固定资产、无形资产等非流动资产形成的经济利益的总流出属于费用。()
下列各项中,不属于暂停股票上市的情形是()。
一般资料:求助者,男性,61岁,退休教师。案例介绍:求助者的一位老朋友半月前因心脏病救治无效去世,求助者得知消息后当晚即感胸闷、心慌,出现入睡困难并容易惊醒的现象。经一周的住院检查,并未发现患心脏病的现象,但是患者还是怀疑自己得了冠心病,只是医院
下列关于社会工作服务领域中矫治服务说法错误的是()。
×、×、×:兹定于7月23日(星期一)上午9:00在×市规划局附楼6楼会议室召开2012年度×市城市规划委员会发展策略委员会第x次会议,会议由×主任委托×主任主持,会期半天。会议主要内容如下:1.×区A规划管理单元控制性详
简.奥斯汀的小说中有着_______的社会观察、_______的言辞和一些愚笨、可憎的人物,这使她获得了众多“粉丝”,其作品的吸引力_______——到今年她的第一部小说《理智与情感》已经出版200年了。填入画横线部分最恰当的一项是:
简述个性差异对问题解决的影响。
[2017年第39题]针对癌症患者,医生常采用化疗手段将药物直接注入人体杀伤癌细胞,但这也可能将正常细胞和免疫细胞一同杀灭,产生较强的副作用。近来,有科学家发现,黄金纳米粒子很容易被人体癌细胞吸收,如果将其包上一层化疗药物,就可作为“运输工具”,将化疗药物
Whatdoesthewomanmean?
最新回复
(
0
)