首页
登录
职称英语
Every living thing has what scientists call a biological clock that control
Every living thing has what scientists call a biological clock that control
游客
2024-06-01
7
管理
问题
Every living thing has what scientists call a biological clock that controls behavior. It tells plants when to【C1】______ flowers and insects when to leave protective cocoon (茧)and fly away. And it tells animals and human beings when to【C2】______ , sleep and seek food. It controls our body temperatures, the【C3】______ of some hormones and even dreams.
Events 【C4】______ the plant and animal affect its actions. Scientists recently found that a tiny animal called Siberian hamster changes the color of its【C5】______ because of the number of hours of【C6】______ In shorter days of winter its fur becomes white. The fur becomes gray-brown in longer【C7】______ of daylight in summer.
【C8】______ signals control other biological clocks. German scientists found that some internal one seems to order birds to begin their【C9】______ flights two times each year. Birds prevented from flying become【C10】______ when it is time for the trip.【C11】______ they become calm again when the time of the flight has ended. A mix of outside and internal events controls some biological clocks; such things as heartbeat and the daily change from sleep to walking take place because of both external and internal signals.
Scientists are beginning to learn【C12】______ parts of the brain contain the biological clocks. A researcher at Harvard University, Dr. Martin Moore Ede, said a small group of cells near the front of the brain seemed to control the【C13】______ of some of our actions. Probably there are other cells to control other body activities. He is studying【C14】______ they affect the way we do our work. Most of us have great difficulty if we【C15】______ often change to different work hours.【C16】______ can take many days for a human body to【C17】______ a major change in work hours. Industrial officials should have a better【C18】______ of biological clocks and how they affect workers. He said such an understanding could【C19】______ sickness and accidents at work, and would help increase【C20】______ . [br] 【C19】
选项
A、decrease
B、diminish
C、decline
D、reduce
答案
D
解析
动词辨义 。根据语意推断这句话的意思是:对生物钟的了解能够减少在工作中突发的疾病和事故。可见,这里的“减少”是人为造成的疾病和事故数量上韵下降,reduce指人为地使某物在数量或重量方面的减少或降低,因此选择D项。
转载请注明原文地址:https://tihaiku.com/zcyy/3614366.html
相关试题推荐
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Livingisrisky.Crossingtheroad,drivingacar,flying,swallowinganasp
Tounderstandtheimportanceofcontrolledobservationinpsychology,weloo
Tounderstandtheimportanceofcontrolledobservationinpsychology,weloo
Tounderstandtheimportanceofcontrolledobservationinpsychology,weloo
BiologicalMimicryTheInventionofVelcro
随机试题
[originaltext]IsthisyourfirsttimetocometoBeijing?[/originaltext][origi
自1919年京剧艺术大师梅兰芳先生东渡日本演出后,至今京剧的足迹遍及全球,对中、西文化交流,人民友好往来,增进团结、友谊做出了卓越的贡献。北京京剧院已经
Menseemtohavealwaystakeaninterestinmeteorites(陨星),but【C1】______th
农村流动书库以知识导航为动力,()为目标。A.资源共享 B.行业发展 C.
会计要素是对会计对象的基本分类。()
王某看中了一套建筑面积为80平方米的存量住房,因预期房价上涨,王某同意付给卖方7
在安瓿灌封过程,一般不会出现的问题是A.剂量不准 B.瘪头 C.焦头 D.
(2020年真题)根据《期货交易所管理办法》,期货交易所应当监管()的期货业务
下列选项中,属于套筒式补偿器组成的有()。A.卡环 B.带底脚的套筒
()适用于通信网和其他通信设备。既能用于新的陆上网络,又可对现有系统进行升级改
最新回复
(
0
)