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
2017-02-17
76
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.
【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。
转载请注明原文地址:https://kaotiyun.com/show/niEZ777K
0
考研英语一
相关试题推荐
Aspeopleinrichcountriesknowverywell,eatingtoomuchfoodandburningtoolewcaloriesiswhyasubstantialnumberofus
关于宇宙起源的科学发现——1998年英译汉及详解Theywere,byfar,thelargestandmostdistantobjectsthatscientistshadeverdetected:astripof
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
贝多芬与勇气——2014年英译汉及详解Musicmeansdifferentthingstodifferentpeopleandsometimesevendifferentthingstothesamepersonat
贝多芬与勇气——2014年英译汉及详解Musicmeansdifferentthingstodifferentpeopleandsometimesevendifferentthingstothesamepersonat
人类性格与行为形成的原因及影响——1990年英译汉及详解Peoplehavewonderedforalongtimehowtheirpersonalitiesandbehaviorsareformed.Itisnote
Scientistsaresupposedtochangetheirminds.【F1】Havingadoptedtheirviewsonscientificquestionsbasedonanobjectiveevalu
SupposeyouacceptthepersuasivedatathatinequalityhasbeenrisingintheUnitedStatesandmostadvancednationsinrecent
SupposeyouacceptthepersuasivedatathatinequalityhasbeenrisingintheUnitedStatesandmostadvancednationsinrecent
随机试题
下列各项中,应缴纳城镇土地使用税的是()。
供精者精液人工授精(AID)适合于
当两根钢筋竖向并列在一起时,其等效直径为()。
在下列水泥混凝土面层铺筑方法中,最先进的铺筑方法是()。
关于资源税税收优惠,下列说法正确的是()。
Johnsononlyrememberedthatitwas______SundaywhenhefirstmetMarybecauseeverybodywasat______church.
()是我国跨经度最广的省级行政区。
litigation&arbitration
阅读以下说明,回答以下问题,将解答填入答题纸对应的解答栏内。【说明】为了保障网络安全,某公司安装了一款防火墙,对内部网络、Web服务器以及外部网络进行逻辑隔离,其网络结构如图2—1所示。由于防火墙出现故障,现将网络拓扑进行调整,增加一台包过滤路由
Thefirstaid(急救)youlearnfromacourseisnotquitelikereality.Mostofusfeelafraidwhendealingwith"therealthing".
最新回复
(
0
)