首页
登录
职称英语
Every living thing has what scientists call a biological clock that controls
Every living thing has what scientists call a biological clock that controls
游客
2023-08-28
43
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 the 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 Siberain 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 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 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. It can【C16】______many days for a human body to【C17】______the 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] 【C8】
选项
A、Outer
B、Other
C、Inner
D、Inward
答案
C
解析
语义衔接题。该段第二句中的internal one seems to order birds提示本句是说,身体内部的信号也能控制生物钟,故答案为[C]。[D]Inward常用来指朝向中心或内部方向的,侧重方向而不是位置,也可指内心的隐密活动,与此处语境不符,故排除。
转载请注明原文地址:https://tihaiku.com/zcyy/2965495.html
相关试题推荐
[originaltext]W:Whatdoyoudoforaliving,Frank?M:Iamanaerospaceengin
[originaltext]W:Whatdoyoudoforaliving,Frank?M:Iamanaerospaceengin
[originaltext]Onewaythatscientistslearnaboutmanisbyanimals,sucha
[originaltext]Onewaythatscientistslearnaboutmanisbyanimals,sucha
Amusselgripsahardsurfaceveryfirmlyto______.[br]Scientistsarenotthi
Before1965manyscientistspicturedthecirculationoftheocean’swaterm
Before1965manyscientistspicturedthecirculationoftheocean’swaterm
Before1965manyscientistspicturedthecirculationoftheocean’swaterm
Before1965manyscientistspicturedthecirculationoftheocean’swaterm
[originaltext]Livingthingstakefromtheirenvironmentandgivebacktoth
随机试题
TheRedCrosssaysitiswithdrawingitsstaffuntiltheyreceiveclear______fro
TheInvisibleFuelProvidesEnsuranceforEnergySecurityintheFut
[originaltext]Isyourfamilyinterestedinbuyingadog?Adogcanbeaha
燃气红外线辐射器的安装高度,不应低于下列哪一项?()A.2.8m B.3.
将下图沿线条折成一个正多面体。这个正多面体是() A.四面体 B.
共用题干 第三篇TheUnitedStatesperceivesits
左边给定的是纸盒外表面的展开图,右边哪一项能由它折叠而成?请把它找出来。 A.
下列关于会计账簿记账规则的说法中,错误的是()。 A.登记会计账簿时,应当将
某女,35岁,因家庭纠纷,情志不畅导致肝气郁结,影响脾胃运化功能,其疾病传变是(
某有限责任公司有甲、乙两名股东,分别持有70%和30%的股权。2018年3月,乙
最新回复
(
0
)