首页
登录
职称英语
The term biological clock is【B1】_____to the means by which living things【B2】
The term biological clock is【B1】_____to the means by which living things【B2】
游客
2024-02-11
2
管理
问题
The term biological clock is【B1】_____to the means by which living things【B2】_____their activity patterns, without any【B3】_____cue, to the time of day, or the month, or the year. The biological clocks seem to be beautifully【B4】_____to the needs of living things. They are【B5】_____ but little, if at all, by drugs, chemicals, or wide temperature difference—factors which may alter substantially the rates of all ordinary【B6】_____ of the body.
The nature of the biological clocks’ mechanism is still a【B7】_____. Two quite different theories can【B8】_____ for them. According to the first of these theories, 【B9】______. This is believed to have evolved, aided by natural selection, as an adaptation to the rhythmic environment. It has now become independent of the environment. 【B10】______. The setting of their biological clocks, therefore, involves a constant adjustment to subtle environment forces. But the search for the specific timing system has been futile thus far. 【B11】______ [br] 【B11】
选项
答案
Not only has no independent timing system ever been discovered, but there has not yet been even a guess as to its nature
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3442761.html
相关试题推荐
EnvironmentandHealthIssuesWearelivingina
EnvironmentandHealthIssuesWearelivingina
EnvironmentandHealthIssuesWearelivingina
EnvironmentandHealthIssuesWearelivingina
EnvironmentandHealthIssuesWearelivingina
[originaltext]We’vebeenlookingatfearfromabiologicalperspective,and
[originaltext]Therehavebeenmanygreatinventions,thingsthatchangethe
[originaltext]Therehavebeenmanygreatinventions,thingsthatchangethe
__________________(与发达地区相比),people’slivingstandardofthisprovinceisnothi
WhyWeLaughWestartfindingthingsla
随机试题
MyfriendJaneoncefoundaweasel(鼬鼠)whenhewasveryyoung.Asshewasfo
噬菌体属于()。A.细菌 B.病毒 C.放线菌 D.藻类
砂的表观密度大小取决于()。A.颗粒继配 B.颗粒含水率 C.颗粒内部
下列关于客户身份识别基本要求的说法中,正确的是( )。A.如果个人仅需证券公司
知母的功效不包括A.泻火B.滋阴C.清热D.润燥E.止痢
已知图示等直杆的轴力图(IV图),则该杆相应的荷载图如哪个图所亦?(图中集中荷
房地产开发投资的投资者主要是( )。A.赚取开发利润 B.保值增值 C.获
江西省的汉语方言有赣语、客家话、官话、吴语和徽语,其中()是江西省最主要的
最近.英国科学家提出了一个大胆的设想,用500条由无线电控制的小船向空气中喷洒海
A.存活病例偏倚 B.入院偏倚 C.选择检诊偏倚 D.志愿者偏倚 E.无
最新回复
(
0
)