首页
登录
职称英语
It has been known since ancient times that certain plants regularly openthe
It has been known since ancient times that certain plants regularly openthe
游客
2024-06-11
13
管理
问题
It has been known since ancient times that certain plants regularly open
their leaves in daytime and close them at night. It was assumed which this 【S1】______.
periodic change was triggered by the alternating sunlight and darkness. Such
leaves stick to their daily routine even when keeping in constant darkness. 【S2】______.
What is circadian rhythm? Many biological processes follow a 24-hours 【S3】______.
schedule. These cycles are called circadian rhythms. These innate rhythms are
governed by sophisticated chemical mechanisms can be described as biological 【S4】______.
clocks. Such rhythms are important for humans too! We sleep through most
of the hours of darkness and are awaken through most of the hours of 【S5】______.
daylight. Body temperature increases during the day and decreases during the
night. The secretion of various hormones that controls life’s processes rises 【S6】______.
and falls to a circadian rhythm.
How does this relate to health? Circadian rhythms are important for
desirable functioning of the processes vital to health. This is most effectively
illustrated and the normal circadian rhythms are disrupted by lack of sleep or by 【S7】______.
crossing time zones. It may take days or even hours for all the bodies circadian 【S8】______.
rhythms to read just appropriately. The turmoil (混乱) that results from the
readjustment process when time zones are crossed experienced as the 【S9】______.
phenomenon of jet lag. This is also experienced by people who do shift work
Understanding circadian rhythms may be irrelevant to the understanding and 【S10】______.
treatment of disease. Therapy can be more effective and toxic effects reduced
when drugs are administered at carefully selected times of the day. [br] 【S2】
选项
答案
keeping→kept
解析
根据上下文,本句的意思“(白天)即便把这些叶子一直放置在黑暗处,它们依然遵循白天的规律”。状语keep和主语leaves 之间是被动关系,因此应该用过去分词形式,而不是现在分词形式。
转载请注明原文地址:https://tihaiku.com/zcyy/3628687.html
相关试题推荐
Inancienttimes,OlympicgameswereheldasareligiousfestivaltohonortheG
Inancienttimes,OlympicgameswereheldasareligiousfestivaltohonortheG
Inancienttimes,OlympicgameswereheldasareligiousfestivaltohonortheG
Inancienttimes,OlympicgameswereheldasareligiousfestivaltohonortheG
InancientGreece,theOlympicGames______.[br]Theorderofathleticeventsa
InancientGreece,theOlympicGames______.[br]IntheearlydaysofancientO
In-ancientGreeceathleticfestivalswereveryimportantendhadstrongrelig
Accordingtothepassage,colorblindnesscanbedangerousincertainoccupation
Accordingtothepassage,colorblindnesscanbedangerousincertainoccupation
Accordingtothepassage,colorblindnesscanbedangerousincertainoccupation
随机试题
Ifyou’relikemostmiddle-classparents,you’veprobablygottenannoyedwit
Parentsofwailing(哀号)babies,takecom-fort:Youamnotalone.Chimpanzee
国体与政体的关系是()A.内容与形式的关系 B.本质与现象的关系 C.必然
材料一下图为我国过去50年来增温速率分布图。 材料二科学家预测,
A.降低毒性B.缓和药性C.改变药性D.增强疗效E.便于切制女贞子酒蒸的目的是
依据变电验收管理规定,精益管理指变电运检验收工作坚持精益求精的态度,以精益化评价
什么叫绝缘的介质损失?测量介质损失有什么意义?
关于社会再适应量表,下列说法中不正确的是()。 (A)该量表有局限性 (B
某企业为规范作业现场安全管理,推行了"5S"管理。实施半年后,员工的安全意识普遍
直埋敷设土壤热阻系数为0.8K*m/W时,电缆截面为120mm2,其载流量
最新回复
(
0
)