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
20
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.
【C20】
选项
A、enormous
B、fantastic
C、fearful
D、dangerous
答案
D
解析
as表原因,说明需要避免在蜡烛中使用染料(dye)的原因:燃烧时释放出……化学物质。通常,只有释放出的化学物质对人体有害,才需要人们去尽力避免,故D项dangerous“危险的”正确。
转载请注明原文地址:https://jikaoti.com/ti/5jv7FFFM
0
考研英语一
相关试题推荐
Afull-timejobdoesn’thavetodestroyallhopeoffamilydinnersorafternoonplaytime.Womencanincreasetheirchancesofge
关于宇宙起源的科学发现——1998年英译汉及详解Theywere,byfar,thelargestandmostdistantobjectsthatscientistshadeverdetected:astripof
行为科学的建立——2002年英译汉及详解Almostallourmajorproblemsinvolvehumanbehavior,andtheycannotbesolvedbyphysicalandbiological
如何充分利用上大学的时间——1986年英译汉及详解Itwouldbeinterestingtodiscoverhowmanyyoungpeoplegotouniversitywithoutanyclearideaof
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
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
InhisbookTheTippingPoint,MalcolmGladwellarguesthat"socialepidemics"aredriveninlargepartbytheactionsofatiny
随机试题
0SI模型中负责完成可靠的端到端通信的层次是( )。
资本主义经济中一定程度的计划管理和调节主要是依靠()
肉制品中的亚硝酸盐主要来源于
隧道施工中,新奥法施工变形观测现场一般采用()观测。
绿都商贸股份有限公司(以下简称绿都商贸)是一家集室内空气加湿、净化、新风换气为一体的人工环境工程公司。随着人们对室内环境指数的要求提高,传统环境工程的发展相对缓慢,为了提高环境工程技术,绿都商贸决定研发净化、加湿、换气为一体的高端设备,该研发项目需要投入大
根据菲德勒的权变理论,下列属于对管理者工作没有直接影响的因素是()。
你是某市志愿者协会的一员,协会安排你组织一次“关爱抗战老兵”活动,你怎么组织?
A、 B、 C、 D、 C
Don’ttalk:yourcellphonemaybeeavesdropping.Thankstorecentdevelopmentsin"spyphone"software,ado-it-yourselfspook
A、It’snouseexplainingthequestionstohim.B、There’sonlyonepointhedoesn’tunderstand.C、Thequestionwon’tbeontheex
最新回复
(
0
)