首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
考研
A candlelit dinner works wonders for romance. Now scientists say it could also be good for your heart. Breathing in candle smoke
A candlelit dinner works wonders for romance. Now scientists say it could also be good for your heart. Breathing in candle smoke
admin
2015-11-27
12
问题
A candlelit dinner works wonders for romance. Now scientists say it could also be good for your heart. Breathing in candle smoke causes beneficial【C1】______in your heart rhythm, they claim. It is thought that tiny salt particles released when the candle burns are【C2】______the effect
The researchers monitored the hearts of 13 men and women as they breathed in air【C3】______into a small chamber. In some【C4】______the air included smoke from candles in a second room. The volunteers didn’t know which type of air they were breathing, but when it included candle smoke, their heart rate variability【C5】______.
Everyone’s heart rate varies【C6】______all the time, beating a little bit faster when we breathe in than when we breathe out This is perfectly healthy and a sign that the brain is【C7】______and able to regulate the heart But this variation【C8】______as we get older and if we【C9】______heart problems. In the study, it was increased by【C10】______candle smoke.
Researcher Christina Isaxon said the concentration of smoke【C11】______during the study was similar to that created by a candlelit dinner. As the volunteers could not see the candles and weren’t told what they were breathing, the effect could not be explained【C12】______by the calming effect of candlelight.
Dr Isaxon believed that tiny particles of the candle smoke could be responsible for the beneficial effects. These particles are【C13】______regulating the heart’s rhythm and in sending messages between cells in the body. More salts are produced when a【C14】______is still. The study did not find any【C15】______health effects of the smoke—【C16】______she admitted she did not ’make a huge effort’ to find any.
Soot, black powder in the smoke, from lit candles has been【C17】______health problems in the past. The American Chemical Society has warned that common wax candles release【C18】______harmful chemicals linked to cancer and other illnessea It recommends using beeswax.
Dr Isaxon used candles made of a natural fat in her study. She recommended using candles that are as natural as possible and avoiding【C19】______and dyes as they may give off【C20】______chemicals when burned.
【C13】
选项
A、specialized in
B、guided to
C、controlled over
D、involved in
答案
D
解析
既然蜡烛烟雾中含的微小颗粒对心脏有好处,那么它们对心率应该具有调节作用(regulating the heart’s rhythm)。D项involved in意为“参与;与……相关联”,代入后可指烟雾中的微小颗粒帮助调节心率,语义符合要求。
转载请注明原文地址:https://kaotiyun.com/show/UIsZ777K
0
考研英语一
相关试题推荐
Facebookhasbeen【C1】______withfireandhasgotitsfingersburned,again.OnNovember29thAmerica’sFederalTradeCommission
SiliconValleylikestothinkofitselfasmorallyexceptional.WhenGooglewentpublicin2004,thecompany’sfounderspenneda
【F1】Itisnolongerjustdirtyblue-collarjobsinmanufacturing;thatarebeingsuckedoffshorebutalsowhite-collarservicej
Itwasthebiggestscientificgrudgematchsincethespacerace.TheGenomeWarshadeverything:twogroupswithappealingleade
【F1】Duringthepastgeneration,theAmericanmiddle-classfamilythatoncecouldcountonhardworkandfairplaytokeepitself
Who’spoorinAmerica?That’saquestionhardtoanswer.Hardbecausethere’snoconclusivedefinitionofpoverty.Lowincomema
Onlytwocountriesintheadvancedworldprovidenoguaranteeforpaidleavefromworktocareforanewbornchild.Lastspring
Itusedtobesostraightforward(直接的).Ateamofresearchersworkingtogetherinthelaboratorywouldsubmittheresultsofthei
OfallthechangesthathavetakenplaceinEnglish-languagenewspapersduringthepastquarter-century,perhapsthemostfar-re
技术与天才哪个对科学发展更重要——1994年英译汉及详解Accordingtothenewschoolofscientists,technologyisanoverlookedforceinexpandingthehori
随机试题
自2012年初以来,A公司出现不能清偿到期债务,且资产不足清偿全部债务的情况。2012年12月17日,人民法院经审查裁定受理了A公司的破产申请,并指定了管理人。在该破产案件中,存在下述情况:(1)2011年10月8日,B公司向C银行借款1000万元,期
(2019年济南钢城区)苗苗上课积极回答问题,多次受到老师表扬,之后苗苗上课回答问题更为积极。按照加涅的学习分类,这种学习属于()
物质的颗粒越小,()。
在现代组织中,起决定性作用的是______,人力资源部门只在招聘过程中起组织和服务的作用。
妈富隆是近年使用较多的一种口服避孕药,含去氧孕烯,其代谢产物依托孕烯是强效排卵抑制剂,能有效抑制卵泡生长和排卵。()
下列哪些是肥厚型心肌病的可能病因?
某工程项目施工工期紧迫,楼面混凝土刚浇筑完毕即上人作业,造成混凝土表面不平并出现楼板裂缝。按事故责任分,此质量事故属于()事故。[2015年真题]
在改革开放新时期,中华民族形成了以改革创新为核心的()时代精神。
设u=x2+3y+yz,则div(graau)=__________.
Foryears,French,ItalianandAmericanluxurybrandshave【C1】______asChina’smiddleclassdevelopeda(n)【C2】______forhigh-en
最新回复
(
0
)