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. Jetlag makes business travelers less productive and more prone【C1】____
Most people who travel long distances complain of jetlag. Jetlag makes business travelers less productive and more prone【C1】____
admin
2010-01-15
70
问题
Most people who travel long distances complain of jetlag. Jetlag makes business travelers less productive and more prone【C1】______ making mistakes. It is actually caused by【C2】______ of your "body clock"— a small cluster of brain cells that controls the timing of biological【C3】______ . The body clock is designed for a【C4】______ rhythm of daylight and darkness, so that it is thrown out of balance when it【C5】______ daylight and darkness at the "wrong" times in a new time zone. The【C6】______ of jetlag often persist for days 【C7】______ the internal body clock slowly adjusts to the new time zone.
Now a new anti-jetlag system is【C8】______ that is based on proven【C9】______ pioneering scientific re- search. Dr. Martin Moore-Ede has【C10】______ a practical strategy to adjust the body clock much sooner to the new time zone【C11】______ controlled exposure to bright light. The time zone shift is easy to accomplish and eliminates【C12】______ of the discomfort of jetlag. A successful time zone shift depends on knowing the exact times to either【C13】______ or avoid bright light. Exposure to light at the wrong time can actually make jetlag worse. The proper schedule【C14】______ light exposure depends a great deal on【C15】______ travel plans.
Data on a specific light itinerary and the individual’s sleep【C16】______ are used to produce a Trip Guide with【C17】______ on exactly when to be exposed to bright light. When the Trip Guide calls【C18】______ bright light you should spend time outdoors if possible. If it is dark outside, or the weather is bad,【C19】______ you are on an aeroplane, you can use a special light device to provide the necessary light【C20】______ for a range of activities such as reading, watching TV or working.
【C19】
选项
A、or
B、and
C、but
D、while
答案
A
解析
根据上文和句意,便可肯定这里要选择or,意为“或,或者,还是”。
转载请注明原文地址:https://kaotiyun.com/show/AQnK777K
0
专业英语四级
相关试题推荐
PASSAGETWOWhatmessagedostatisticsonearningsaftergraduationandcollegerankingsconvey?
Atsometimeinyourlifeyoumayhaveastrongdesiretodosomethingstrangeorterrible.However,chancesarethatyoudon
(1)Thishasbeenquiteaweekforliterarycoups.Inanalmostentirelyunexpectedmove,theSwedishAcademyhavethislunchtim
FiveCommonMistakesinConversationsandTheirSolutionsI.NotlisteningA.Problem:mostpeople【T1】________
(1)Youshouldtreatskepticallytheloudcriesnowcomingfromcollegesanduniversitiesthatthelastbastionofexcellencei
WhenscientistsattheAustralianInstituteofSportrecentlydecidedtochecktheVitaminDstatusofsomeofthatcountry’s
TheCloningTechnologyI.Thedifferencebetweena【T1】________colonyandcloningamammalA.Clarifytheillusion:scientis
TheCloningTechnologyI.Thedifferencebetweena【T1】________colonyandcloningamammalA.Clarifytheillusion:scientis
Earlyanthropologists,followingthetheorythatwordsdeterminethought,believedthatlanguageanditsstructurewereentirel
_______ifIhadarrivedyesterdaywithoutlettingyouknowbeforehand?
随机试题
A.多位于肝左叶,常合并肝硬化B.多位于肝右叶,不合并或合并轻度肝硬化C.最常见,结节大小不等,常合并肝硬化D.少见,结节不明显,常发生在肝硬化的基础上E.少见,不合并肝硬化巨块型原发性肝癌
下列关于完全竞争市场的说法,正确的有()。
通过对被评估者的直接调查,分析调查对象的支付意愿或接受补偿的意愿,从中推断出项目造成的有关外部影响的经济价值是()评估法。
建设工程项目管理规划涉及整个实施阶段,它属于()项目管理范畴。
收到外商投入设备一台能引起资产和所有者权益同时增加。()
根据合同法律制度的规定,由于债权人的原因,债务人无法向债权人交付合同标的物时,可以将该标的物交给提存部门,从而消灭债务,在标的物提存后,标的物毁损、灭失风险责任的承担者是()。
我们党在长期执政条件下,保持先进性和增强创造力的决定性因素是坚持解放思想、实事求是的思想路线,弘扬与时俱进的精神。()
线性振动:非线性振动:振动
设A为n阶可逆矩阵,α为n维列向量,b为常数,记分块矩阵P=其中A*是A的伴随矩阵,E为n阶单位矩阵。证明矩阵Q可逆的充分必要条件是αTA-1α≠b。
Thetermtariff,asusedininternationaltrade,refersto______.
最新回复
(
0
)