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
2023-02-24
40
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 illnesses. 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.
【C19】
选项
A、odours
B、poisons
C、alcohols
D、scents
答案
D
解析
Dr Isaxon建议要尽量使用天然蜡烛,要避免使用“染料”(dyes)等人工添加进蜡烛里的物质。D项scents“香味”可指添加进蜡烛的额外物质,与dyes并列。A项“气味”常常指难闻的味道。B项poisons“毒物”应该不会被添加进蜡烛。“酒精”(C项alcohols)在燃烧时不会散发出对身体有害的化学物质。
转载请注明原文地址:https://kaotiyun.com/show/J3MD777K
0
考研英语二
相关试题推荐
Peoplegenerallyassumethatwhentheyconsideranotherpersona"friend,"thatpersonalsothinksofthemasafriend,whichme
Scientistssentpatternsofelectricitycoursingacrosspeople’sbrains,coaxingtheirbrainstoseelettersthatweren’tthere.
TheWorldHealthOrganization(WHO)hasreleaseditsfirsteverguidanceonhowmuchtimeyoungchildrenshouldspendusingelec
Britain’sprivateschoolsareoneofitsmostsuccessfulexports.Thechildrenofthewealthy【C1】________tothem,whetherfromC
Britain’sprivateschoolsareoneofitsmostsuccessfulexports.Thechildrenofthewealthy【C1】________tothem,whetherfromC
Scientistshavediscoveredapowerfulantibioticinthebloodstreamofgiantpandasthatcandestroybacteria.TheChineserese
Scientistshavediscoveredapowerfulantibioticinthebloodstreamofgiantpandasthatcandestroybacteria.TheChineserese
Scientistshavediscoveredapowerfulantibioticinthebloodstreamofgiantpandasthatcandestroybacteria.TheChineserese
Scientistshavediscoveredapowerfulantibioticinthebloodstreamofgiantpandasthatcandestroybacteria.TheChineserese
Scientistshavediscoveredapowerfulantibioticinthebloodstreamofgiantpandasthatcandestroybacteria.TheChineserese
随机试题
盗版音像制品的识别方法有()。
在PLC控制中可以用()替代计数器。
生态系统中的能量沿着食物网循环流动。()
患儿4岁,因肺炎入院治疗。入院时患儿拒绝治疗,并哭闹不止。护士的下列做法,不恰当的是()
女性,30岁,因乏力、头晕、心悸伴注意力不集中、记忆力减退半年就诊,考虑为缺铁性贫血。口服铁剂治疗有效的早期指标是
当地时间2017年6月14日,英国伦敦北肯辛顿区一座高层公寓大楼发生火灾,官方公布的火灾死亡人数为9人,有79人失踪,推定已经遇难。经调查,火灾源于4层一家住户的冰箱起火,并非人为原因,起火后火势迅速蔓延到整栋建筑。在调查火灾迅速蔓延的原因时,调查人员对建
下列关于保证金交易的说法,正确的是()。
下列关于合伙企业清算的说法中,不符合《合伙企业法》规定的是()。
违约责任的承担方式有()。
下列叙述中正确的是
最新回复
(
0
)