首页
登录
职称英语
A. limited B. distinguish C. unlike D. particular E. triggerF. inefficient G. c
A. limited B. distinguish C. unlike D. particular E. triggerF. inefficient G. c
游客
2023-10-30
9
管理
问题
A. limited B. distinguish C. unlike D. particular E. trigger
F. inefficient G. create H. emergency I. incompetent J. detecting
K. aware L. messages M. unusual N. surfaces O. confined
The human nose is an underrated tool. Humans are often thought to be insensitive smellers compared with animals, but this is largely because,【C1】______ animals, we stand upright. This means that our noses are【C2】______to perceiving those smells which float through the air, missing the majority of smells which stick to【C3】______. In fact, though, we are extremely sensitive to smells, even if we do not generally realize it. Our noses are capable of【C4】______human smells even when these are diluted to far below one part in one million.
Strangely, some people find that they can smell one type of flower but not another, whereas others are sensitive to the smells of both flowers. This may be because some people do not have the genes necessary to generate【C5】______smell receptors in the nose. These receptors are the cells which sense smells and send【C6】______to the brain. However, it has been found that even people insensitive to a certain smell at first can suddenly become sensitive to it when exposed to it often enough.
The explanation for insensitivity to smell seems to be that the brain finds it【C7】______to keep all smell receptors working all the time but can【C8】______new receptors if necessary. This may also explain why we are not usually sensitive to our own smells-we simply do not need to be. We are not【C9】______of the usual smell of our own house, but we notice new smells when we visit someone else’s.
The brain finds it best to keep smell receptors available for unfamiliar and【C10】______ signals such as the smell of smoke, which might indicate the danger of fire. [br] 【C9】
选项
答案
K
解析
空格前的are表明此处需要填入动词的过去分词形式或形容词。后面提到对于new smells我们一定能发觉(notice),由表转折的but可推知,空格所在的分句是要表达“对于usual smell我们一定是没感觉”。be not aware of“没有察觉到的”符合题意。
转载请注明原文地址:https://www.tihaiku.com/zcyy/3144282.html
相关试题推荐
Aninsuranceagentcalledmethismorning.Thisparticularagentwantedtod
Aninsuranceagentcalledmethismorning.Thisparticularagentwantedtod
A.limitedB.distinguishC.unlikeD.particularE.triggerF.inefficientG.c
A.limitedB.distinguishC.unlikeD.particularE.triggerF.inefficientG.c
A.limitedB.distinguishC.unlikeD.particularE.triggerF.inefficientG.c
A.limitedB.distinguishC.unlikeD.particularE.triggerF.inefficientG.c
A.limitedB.distinguishC.unlikeD.particularE.triggerF.inefficientG.c
Choosingacarisnotunlikechoosingadress.Youshouldnotonlyreadthepric
[originaltext]W:CanIhelpyou?Areyoulookingforsomethinginparticular?M
[originaltext]W:CanIhelpyou?Areyoulookingforsomethinginparticular?M
随机试题
WhendidPostofficeinBritainemploycats?[br][originaltext]Martin:Hither
【B1】[br]【B16】A、sourceB、originC、courseD、financeA考查词义辨析。source来源,origin源自,co
表演权和表演者权的保护期限相同,都是作者终生及死后50年。()
男性,68岁,乙型肝炎病史8年,近日出现呕血、柏油样便,继之神志恍惚来诊。检查:
在《剪纸》一课的评价环节,陈老师将全班同学的剪纸作品展示出来,采用网络授票的方式
患儿女,10岁。由背痈引起脓血症,血细菌培养,取血应在()。A.任何时间 B
某地下商场设有湿式自动喷水灭火系统,该系统在选择洒水喷头时宜选择()。A.早期
关于我国的军衔制度,下列说法正确的是:A.士兵军衔肩章版面底色有棕绿色、天蓝色、
―般资料:求助者,女性,36岁,公司职员,已婚,女儿9岁。 案例介绍:求助者
下列关于炼焦炉的安全措施,说法错误的是()。A.焦炉炉顶表面应平整,横纵拉条
最新回复
(
0
)