2024年06月六级第3套听力原文及答案解析
本页收录2024年06月六级第3套听力全部原文与答案。大学英语六级听力共三个部分:Section A 长对话,Section B 听力篇章,Section C 讲座/报告,全部音频只播放一遍。原文按句给出英文与中文对照,可用于精听、跟读与听写训练。
Directions: In this section, you will hear two long conversations. At the end of each conversation, you will hear four questions. Both the conversation and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C), and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.
Conversation 1.
对话1。
M: I've just bought a new blender.
我刚买了一台新的搅拌机。
F: What's that?
那是什么?
M: A blender.
搅拌机。
M: You know, a machine that blends food.
你知道的,一种用来搅拌食物的机器。
F: Ah yes, of course.
啊,是的,当然。
F: The electric kitchen appliance.
那种电动厨房电器。
M: Exactly.
没错。
M: This one is state-of-the-art.
这一台是最先进的。
M: I've been meaning to buy one for a while, and I did thorough research on which specific model to get.
我早就想买一台了,并且我仔细研究了该买哪个具体型号。
M: I read through maybe hundreds of online user reviews.
我阅读了可能有上百条在线用户评论。
M: Anyway, it's amazing.
总之,它棒极了。
F: Really?
真的吗?
F: What could be so special about it?
它能有什么特别的?
F: I mean, it's just a blender.
我的意思是,它不就是一台搅拌机吗。
M: Well, basically, it's just a very good one.
嗯,基本上,它只是一台非常好的搅拌机。
M: It feels heavy and sturdy and well-made.
它拿起来感觉沉甸甸的,结实耐用,做工精良。
M: It also has lots of power and can easily cut and crush practically anything.
它功率也很大,能轻松切割和粉碎几乎任何东西。
M: This way, the soups and juices I make come out really fine and smooth, with no lumpy bits.
这样,我做的汤和果汁口感就非常细腻顺滑,没有结块。
F: Hmm, I see.
嗯,我明白了。
F: I've never thought of getting one myself.
我自己从来没想过要买一台。
F: It sounds like the kind of thing that, for me personally, I would rarely use.
对我个人而言,听起来像是那种我会很少用的东西。
M: I've never had one before, and now that I do, I use it all the time.
我以前从没用过,现在有了,我一直在用。
M: I make a fresh fruit juice in the morning.
我早上会做一杯鲜榨果汁。
M: Maybe not every morning, but three or four times a week, and it feels fantastic.
可能不是每天早上,但一周三四次,感觉棒极了。
M: It's a really healthy habit.
这是个非常健康的习惯。
F: I can imagine that must feel quite satisfying.
我能想象那一定相当令人满足。
F: I can picture you getting all creative in the kitchen and trying out a multitude of different ingredients.
我能想象你在厨房里充满创意,尝试各种不同的食材。
F: And it's obviously going to be healthier than buying packaged juice from a supermarket.
而且这显然比从超市买包装果汁健康得多。
M: It's so much healthier.
健康得多。
M: It's not even close.
根本没法比。
M: Did you know that store-bought juice is like 10% sugar?
你知道商店里卖的果汁含糖量高达10%吗?
F: Right.
确实。
F: So then, you bought it for the health benefits?
那么,你买它主要是为了健康益处?
M: Mostly yes.
主要是是的。
M: Basically, it allows me to have a more varied diet, with a far wider assortment of nutrients.
基本上,它让我能够拥有多样化的饮食,获得更广泛的营养。
M: Because it's not only fruit in my morning juices, you see.
因为你看,我的早晨果汁里不只有水果。
M: I can also throw in vegetables, nuts, yogurts, cereals, anything that tickles my fancy.
我还可以加入蔬菜、坚果、酸奶、麦片,任何我心血来潮想加的东西。
Questions 1 to 4 are based on the conversation you have just heard.
问题1至4基于你刚刚听到的对话。
Question 1. What does the man say he did before buying the blender?
问题1. 男士说他在买搅拌机之前做了什么?
Question 2. What does the woman say she has never thought of doing?
问题2. 女士说她从未想过做什么?
Question 3. What does the man say is a really healthy habit?
问题3. 男士说什么是真正健康的习惯?
Question 4. What do we learn about store-bought juice from the conversation?
问题4. 从对话中我们了解到关于商店购买的果汁的什么信息?
Conversation 2.
对话2。
F: Today, we have a very interesting guest.
今天我们有一位非常有趣的嘉宾。
F: Mr.
先生。
F: Thomas Benjamin Grimm, the Mayor of Birkton, is here to talk about his job and responsibilities overseeing this charming village.
托马斯·本杰明·格里姆,伯克顿的市长,今天在这里谈论他的工作和责任,负责监督这个迷人的村庄。
F: Mr.
先生。
F: Grimm, thank you for being here.
格里姆先生,感谢您来到这里。
M: Thank you for having me.
感谢您的邀请。
F: I'd like to start by stating the obvious.
我想先说一件显而易见的事情。
F: Birkton has become one of the most popular tourist destinations in the country, and this has happened under your watch.
伯克顿已成为全国最受欢迎的旅游目的地之一,而这是在您的监督下发生的。
F: Just how did you achieve this?
您究竟是如何做到这一点的?
M: The achievement belongs to all the residents of Birkton.
这项成就属于伯克顿的所有居民。
M: It was a shared effort, where everybody pitched in for the communal good.
这是共同努力的结果,每个人都为了共同利益而贡献力量。
F: But how did this change happen?
但这种变化是如何发生的呢?
F: In about ten years, Birkton has gone from a relatively unheard-of, sleepy village to a must-see destination.
在大约十年间,伯克顿从一个相对默默无闻、沉睡的村庄变成了一个必去的旅游目的地。
M: Yes, the change has truly been remarkable.
是的,变化确实非常显著。
M: Birkton was always fortunate to be endowed with such a beautiful, natural allure.
伯克顿一直很幸运,拥有如此美丽的自然魅力。
M: The Enbury Hills above the village remain untouched by human development, and the Sonora Valley just below it is equally stunning.
村庄上方的恩伯里山保持着未受人类开发的状态,而其下方的索诺拉山谷同样令人惊叹。
M: The transformation commenced in a town hall meeting in spring 2008 – over ten years ago now – when an overwhelming majority of neighbours voted in favour of Motion 836.
这一转变始于2008年春天的一次市政厅会议——那是十多年前的事了——当时绝大多数邻居投票支持836号动议。
M: This legislative proposal essentially set out to harmonise the aesthetic appearance of all the houses in Birkton.
这项立法提案本质上旨在协调伯克顿所有房屋的外观美感。
M: The idea was that if all the properties looked a certain way with shared design features, then a village as a whole would look more beautiful.
想法是,如果所有房产都以共享的设计特征呈现某种外观,那么整个村庄就会看起来更美。
F: And it worked.
而且奏效了。
M: It certainly did.
确实如此。
F: I'm looking now at a before and after photo, and the change is truly remarkable.
我现在在看一张前后对比照片,变化确实非常显著。
F: It's hard to believe it's the same place.
很难相信这是同一个地方。
F: And how do the neighbours feel now?
那么现在邻居们感觉如何?
M: Great pride, I would say.
我会说,他们感到非常自豪。
F: But what about the multitudes of visitors now crowding the streets?
但现在挤满街道的大量游客呢?
F: Is everyone happy about that?
每个人都对此感到高兴吗?
M: The tourists we receive are a blessing, as they have completely revitalised our local economy.
我们接待的游客是一种福分,因为他们完全振兴了我们的地方经济。
M: Every visitor is warmly welcome.
每一位游客都受到热烈欢迎。
Questions 5 to 8 are based on the conversation you have just heard.
问题5到8基于你刚刚听到的对话。
Question 5. What is the question the woman asked Mr Grimm after the introduction?
问题5. 介绍之后,那位女士问了格里姆先生什么问题?
Question 6. What do we learn about Birkton of ten years ago?
问题6. 我们了解到十年前伯克顿的什么情况?
Question 7. What resulted from the passing of the legislative proposal Motion 836?
问题7. 通过立法提案836号动议导致了什么结果?
Question 8. Why does the man say the tourists are a blessing to Birkton?
问题8. 为什么那位男士说游客对伯克顿来说是一种福分?
Directions: In this section, you will hear two passages. At the end of each passage, you will hear three or four questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C), and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.
Passage 1.
文章1。
Researchers in the US have created a remote-controlled robot that is so small it can walk on the top of a US penny.
美国研究人员创造了一种遥控机器人,它非常小,可以在一美分硬币的顶部行走。
In research published in the journal Science Robotics, a team at Northwestern University said the crab-like robot is 0.
在《科学机器人》杂志上发表的研究中,西北大学的一个团队表示,这种类似螃蟹的机器人是0。
5mm wide.
5毫米宽。
Researchers described it as the smallest ever remote-controlled walking robot.
研究人员将其描述为有史以来最小的遥控行走机器人。
The tiny robot can bend, twist, crawl, walk, turn and even jump without the use of complex hardware or special power.
这种微型机器人能够弯曲、扭转、爬行、行走、转弯甚至跳跃,无需使用复杂硬件或特殊电源。
The engineers said this is because the robot is powered by the elastic property of its body.
工程师们表示,这是因为机器人由其身体的弹性特性提供动力。
To construct the robot, the researchers used a shape-memory alloy material that transforms to its remembered shape when heated.
为了构造这种机器人,研究人员使用了一种形状记忆合金材料,该材料在受热时会变形成记忆形状。
Using a laser, the team is able to heat the robot at specific parts of its body, causing it to change shape.
通过使用激光,团队能够在机器人的特定部位进行加热,使其改变形状。
As the robot deforms and goes back to its original shape, it creates movement from one place to another.
当机器人变形并恢复到原始形状时,它会产生从一个地方到另一个地方的移动。
Because these structures are so tiny, the rate of cooling is very fast, Project Lead Professor John A.
由于这些结构非常小,冷却速度非常快,项目负责人约翰·A。
Rogers said.
罗杰斯说。
In fact, reducing the sizes of these robots allows them to run faster.
事实上,减小这些机器人的尺寸可以让它们运行得更快。
While the research is still in the exploratory phase, the team believes that technology could lead to micro-sized robots that can perform practical tasks in tightly confined spaces.
虽然研究仍处于探索阶段,但团队相信这项技术可以开发出能够在狭窄受限空间中执行实际任务的微型机器人。
You might imagine micro-robots as agents to repair or assemble small structures or machines in industry, or as surgical assistants to clear clogged arteries, to stop internal bleeding, or to eliminate cancerous tumors, all in minimally invasive procedures, Rogers said.
罗杰斯说,你可以想象微型机器人作为在工业中修复或组装小型结构或机器的代理,或作为外科助手来清除堵塞的动脉、止血或消除癌性肿瘤,所有这些都可以通过微创手术完成。
Questions 9 to 11 are based on the passage you have just heard.
问题9至11基于你刚刚听到的段落。
Question 9. What does the passage say about a team of researchers at Northwestern University?
问题9. 段落中关于西北大学的一个研究团队说了什么?
Question 10. What did the researchers say about the robot they created?
问题10. 研究人员对他们创造的机器人说了什么?
Question 11. What do the researchers expect their robots to do in the future?
问题11. 研究人员期望他们的机器人未来能做什么?
Passage 2.
文章2。
I don't want to boast or anything, but I have always considered myself something of an elite sleeper.
我不想自夸什么,但我一直认为自己算是个精英睡眠者。
Given the opportunity, I will sleep for marathon stretches and can doze through the most extreme situations.
只要有机会,我会进行马拉松式的长时间睡眠,甚至能在最极端的情况下打盹。
On one very rough ferry crossing, on the route to the Isles of Scilly, for example, my traveling companion spent the entire three-hour ride throwing up in the bathroom, while I dozed happily on a plastic chair.
例如,在前往锡利群岛的一次非常颠簸的渡轮穿越中,我的旅伴在整个三小时的旅程中都在卫生间呕吐,而我却在塑料椅上愉快地打盹。
Unfortunately, it has come to my attention that I am not an elite sleeper after all.
不幸的是,我意识到自己其实并不是一个精英睡眠者。
It seems I am just lazy, because elite sleepers are defined as the approximately 3% of the population who are biologically programmed to need less sleep than the rest of us.
看来我只是懒惰,因为精英睡眠者被定义为大约3%的人口,他们在生物学上被设定为比其他人需要更少的睡眠。
According to a study that came out in March, elite sleepers have rare genetic changes, which means they can sleep fewer hours than mere mortals without any risk of cognitive decline.
根据三月份发布的一项研究,精英睡眠者拥有罕见的基因变化,这意味着他们比普通人睡眠时间更少,却没有认知衰退的风险。
It may not be possible to change your own genes, but can you train yourself to need less sleep?
改变自己的基因可能不可能,但你能训练自己需要更少的睡眠吗?
Is there a non-biological way to reach elite sleeper status?
有没有一种非生物学的方式达到精英睡眠者的状态?
I have spent the past year trying to answer that question.
过去一年,我一直在试图回答这个问题。
Not for fun, I should add, but because having a baby has severely disrupted my sleep, for which I still have a great passion.
我得补充,不是为了好玩,而是因为生孩子严重扰乱了我的睡眠,而我仍然对睡眠充满热情。
For a while, I assumed I'd be forced to become one of those people who jump out of bed at the crack of dawn.
有一段时间,我以为自己会被迫成为那些黎明时分就跳下床的人之一。
After a year of tough scientific study, however, I have discovered being forced to get up early in the morning is very different from being an early bird.
然而,经过一年的艰苦科学研究,我发现被迫早起与早起者是截然不同的。
Questions 12 to 15 are based on the passage you have just heard.
问题12到15基于你刚刚听到的文章。
Question 12. What does the speaker say she did on her ride to the Isles of Scilly?
问题12。说话者说她在前往锡利群岛的途中做了什么?
Question 13. What do we learn from the passage about elite sleepers?
问题13。从文章中关于精英睡眠者我们了解到什么?
Question 14. What has the speaker been trying to find out over the past year?
问题14。过去一年里,说话者一直在试图找出什么?
Question 15. What has the speaker discovered after a year of tough scientific study?
问题15。经过一年的艰苦科学研究,说话者发现了什么?
Directions: In this section you will hear three recordings of lectures or talks followed by three or four questions. The recordings will be played only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on Answer Sheet 1 with a single line through the centre.
Recording 1.
听力1。
If you read an article about a controversial issue, do you think you'd realise if it had changed your beliefs?
如果你读一篇关于一个有争议问题的文章,你认为你会意识到它是否改变了你的信念吗?
No one knows your own mind like you do.
没有人比你更了解你自己的想法。
It seems obvious that you would know if your beliefs had shifted.
似乎很明显,如果你的信念发生了转变,你会知道的。
And yet, a new paper in the Quarterly Journal of Experimental Psychology suggests that we actually have very poor awareness of our own belief change, meaning that we will tend to underestimate how much we've been swayed by a convincing article.
然而,《实验心理学季刊》上的一篇新论文表明,我们实际上对自己信念变化的意识非常差,这意味着我们往往会低估一篇有说服力的文章对我们产生了多大影响。
The researchers recruited over 200 undergraduates across two studies and focused on their beliefs about whether physical punishment of kids is an effective form of discipline.
研究人员在两个研究中招募了200多名本科生,并专注于他们对体罚儿童是否是一种有效的管教方式的信念。
The students reported their initial beliefs about whether physical punishment is an effective way to discipline a child, on a scale from 1, completely disbelieve, to 9, completely believe.
学生们报告了他们对体罚是否是一种有效管教方式的最初信念,使用一个从1(完全不相信)到9(完全相信)的量表。
Several weeks later, they were given one of two research-based texts to read.
几周后,他们被给予两篇基于研究的文本之一来阅读。
Each was several pages long and either presented the arguments and data in favour of physical punishment or against it.
每篇文本长达几页,要么支持体罚的论据和数据,要么反对体罚的论据和数据。
After this, the students answered some questions to test their comprehension and memory of the text.
之后,学生们回答了一些问题以测试他们对文本的理解和记忆。
Then, the students again scored their belief in whether physical punishment is effective or not.
然后,学生们再次评估他们对体罚是否有效的信念。
Finally, the researchers asked them to recall what their belief had been at the start of the study.
最后,研究人员要求他们回忆研究开始时他们的信念是什么。
The students' belief about physical punishment changed when they read a text that argued against their own initial position.
当学生们阅读一篇反对他们自己最初立场的文本时,他们对体罚的信念发生了变化。
Crucially, the memory of their initial belief was shifted in the direction of their new belief.
关键的是,他们对最初信念的记忆朝着新信念的方向发生了偏移。
In fact, their memory was closer to their current belief than their original belief.
事实上,他们的记忆更接近他们当前的信念,而不是他们最初的信念。
The more their belief had changed, the larger this memory bias tended to be, suggesting the students were relying on their current belief to deduce their initial belief.
他们的信念变化越大,这种记忆偏差就越大,这表明学生们依靠他们当前的信念来推断他们最初的信念。
The memory bias was unrelated to the measures of how well they'd understood or recalled the text, suggesting these factors didn't play a role in memory of initial belief or awareness of belief change.
记忆偏差与他们理解或回忆文本程度的测量无关,这表明这些因素在最初信念的记忆或信念变化的意识中不起作用。
The researchers concede that this research was about changes to mostly moderate beliefs.
研究人员承认,这项研究主要关注的是对大多中等信念的变化。
It's likely the findings would be different in the context of changes to extreme or deeply held beliefs.
在极端或根深蒂固的信念发生变化的情况下,研究结果可能会有所不同。
However, our beliefs on most topics are in the moderate range, and as we go about our daily lives reading informative material, these intriguing findings suggest we are mostly ignorant of how what we just read has updated and altered our own position.
然而,我们对大多数话题的信念都处于中等范围,而且当我们在日常生活中阅读有信息量的材料时,这些引人入胜的发现表明,我们大多忽视了刚才阅读的内容如何更新和改变了我们自己的立场。
Questions 16 to 18 are based on the lecture you have just heard.
第16至18题基于你刚刚听到的讲座。
Question 16. What does a new paper in the Quarterly Journal of Experimental Psychology suggest?
第16题。《实验心理学季刊》上的一篇新论文提出了什么?
Question 17. What happened when the students read a text that argued against their own initial position?
第17题。当学生们阅读一篇反对他们自己最初立场的文本时,发生了什么?
Question 18. What did the researchers concede concerning their findings?
第18题。研究人员关于他们的发现承认了什么?
Recording 2.
录音2。
As the American population grows, so does the number of American moms.
随着美国人口的增长,美国妈妈的数量也在增加。
But more than a century after Mother's Day became an official holiday, even as that number increases, the share of the American population who are mothers is at the lowest point in a quarter century.
但在母亲节成为法定节日一个多世纪后,即使这个数字在增加,美国人口中母亲的比例却处于二十五年来的最低点。
It's frequently noted that fertility rates are falling sharply in richer countries, but the less observed consequence of this trend is that a decline in births can also mean a decline in motherhood in general.
人们经常注意到,富裕国家的生育率急剧下降,但这一趋势较少被观察到的后果是,出生率的下降也可能意味着整体母亲身份的减少。
According to my analysis of data from the Census Bureau, the decline of American motherhood is real, occurring very quickly, and may continue for some time yet.
根据我对人口普查局数据的分析,美国母亲身份的减少是真实的,发生得非常快,并且可能还会持续一段时间。
Not only are moms making up less of the population, but their characteristics are changing too, and in a way that might be linked to their proportional decline.
不仅妈妈在人口中的比例下降,她们的特征也在变化,并且这种变化可能与其比例下降有关。
Moms today tend to be than in the past.
今天的妈妈往往比过去更年长。
Just looking at recent years, the change in age-specific birth rates has been drastic.
仅看最近几年,特定年龄出生率的变化非常剧烈。
In just the past few years, the peak childbearing age range for American women has advanced from that of 25 to 29 to that of 30 to 34.
就在过去几年里,美国女性的生育高峰年龄段已经从25至29岁推进到30至34岁。
Meanwhile, childbearing among women under 20 has fallen by half or more, while childbearing among women 35 and older is rising.
与此同时,20岁以下女性的生育率下降了一半或更多,而35岁及以上女性的生育率正在上升。
One positive consequence of this age shift is that a larger proportion of new mothers are economically prepared to raise children.
这种年龄转变的一个积极后果是,更大比例的新妈妈在经济上做好了抚养孩子的准备。
Less positively, however, many women find that, as they age, they can't have as many kids as they would like.
然而,不那么积极的是,许多女性发现,随着年龄增长,她们无法生育如她们所愿数量的孩子。
Plus, having children later in life can increase the risk of health complications.
此外,晚育可能会增加健康并发症的风险。
These finer points aside, one major consequence of the older mom's trend is that fewer years of a woman's life are spent as a mother.
撇开这些细微之处不谈,妈妈老龄化趋势的一个主要后果是,女性作为母亲的生活年数减少了。
This means that, at any given time, a larger share of women, and thus of the whole population, will report not having children in government surveys.
这意味着,在任何给定时间,更大比例的女性,从而也是整个人口,将在政府调查中报告没有孩子。
In other words, later motherhood means less motherhood.
换句话说,晚育意味着母亲身份的减少。
Even as motherhood rates decline, Mother's Day, of course, will endure.
即使母亲身份比率下降,母亲节当然会持续存在。
In fact, despite the demographic shift, retail spending on the holiday appears to be rising.
事实上,尽管人口结构发生变化,母亲节的零售支出似乎在上升。
It is hard to say if Mother's Day spending is rising more than one would expect, given that the American population keeps growing.
很难说母亲节的支出是否超出了人们的预期,鉴于美国人口持续增长。
But one factor might be that the proportion of women who are the mothers of adult children is rising, and those adult children may spend more generously when it comes to celebrating the moms they no longer live with.
但一个因素可能是,作为成年子女母亲的女性比例正在上升,而这些成年子女在庆祝他们不再同住的母亲时可能花费更慷慨。
Questions 19 to 22 are based on the lecture you have just heard.
问题19至22基于你刚才听到的讲座。
Question 19. What does the speaker conclude from her analysis of the Census Bureau's data?
问题19. 演讲者从她对人口普查局数据的分析中得出了什么结论?
Question 20. What does the speaker say is a positive consequence of the age shift in childbearing?
问题20. 演讲者说生育年龄转变的一个积极后果是什么?
Question 21. What might be one explanation for the rise in retail spending on Mother's Day?
问题21. 母亲节零售支出上升的一个可能解释是什么?
Recording 3.
录音3。
Since NASA published a paper in 1989 claiming that houseplants can soak up pollution and toxic chemicals, businesses and homeowners have increasingly invested in greenery to help clean their air.
自从NASA在1989年发表论文声称室内植物可以吸收污染和有毒化学物质以来,企业和房主越来越多地投资于绿化,以帮助清洁空气。
But a new analysis suggests it could actually take more than 1,000 plants per square meter to gain a benefit any greater than simply opening a couple of windows.
但一项新的分析表明,实际上可能需要每平方米超过1000株植物,才能获得比仅仅打开几扇窗户更大的好处。
The problem lies in the fact that NASA conducted their tests in sealed containers that do not simulate the conditions in most people's homes or offices.
问题在于NASA在密封容器中进行了测试,这些容器没有模拟大多数人家庭或办公室的条件。
The space agency was primarily concerned about keeping the air fresh for astronauts cut off in biospheres or space stations, and helping to combat sick building syndrome, which had become a problem due to the super-insulated and energy-efficient offices of the late 1970s.
该航天机构主要关注为隔离在生物圈或空间站中的宇航员保持空气新鲜,并帮助对抗病态建筑综合症,这种综合症是由于20世纪70年代末超级隔热和节能的办公室而成为问题。
By the early 1980s, workers regularly complained of skin rashes, sleepiness, headaches, and allergies as they breathed in toxic chemicals from paints and plastics.
到20世纪80年代初,工人们经常抱怨皮疹、嗜睡、头痛和过敏,因为他们吸入了来自油漆和塑料的有毒化学物质。
NASA found that certain plants could remove chemicals from the air, and even today garden centers recommend the plants for air cleaning properties.
NASA发现某些植物可以从空气中去除化学物质,甚至今天园艺中心仍推荐这些植物用于空气净化。
However, a new evaluation of dozens of studies spanning 30 years found that houseplants in a normal environment have little impact.
然而,一项对跨越30年的数十项研究的新评估发现,在正常环境中,室内植物的影响很小。
In fact, natural ventilation is far better at cleaning the air.
事实上,自然通风在清洁空气方面要好得多。
The researchers also calculated the clean air delivery rate for plants in the studies they analyzed, and found that the rate at which plants disperse the compounds was well below the usual rate of air exchange in a normal building, caused by the movement of people coming and going, opening doors and windows.
研究人员还计算了他们分析的研究中植物的清洁空气输出率,发现植物分散化合物的速度远低于正常建筑中由人员进出、开门开窗引起的通常空气交换率。
Many of the studies did show a reduction in the concentration of volatile organic compounds over time, which is likely why people have seized on them to praise the air-purifying virtues of plants.
许多研究确实显示挥发性有机化合物的浓度随时间降低,这可能是人们抓住这些研究来赞美植物空气净化功效的原因。
But the researchers' calculations showed it would take 10 to 1,000 plants per square meter of floor space to compete with the air-cleaning capacity of a building's air handling system, or even just a couple of open windows in a house.
但研究人员的计算显示,需要每平方米地板面积10到1000株植物,才能与建筑空气处理系统的清洁能力竞争,或者甚至只是与房子中几扇打开的窗户竞争。
In contrast, NASA's SEALED experiment recommended one pot plant per 100 square feet.
相比之下,NASA的SEALED实验推荐每100平方英尺放置一盆植物。
This is certainly an example of how scientific findings can be misleading or misinterpreted over time, but it's also a great example of how scientific research should continually re-examine and question findings to get closer to the ground truth of understanding what's actually happening.
这当然是科学发现如何随着时间被误导或误解的一个例子,但它也是科学研究应如何不断重新审视和质疑发现以更接近理解实际情况真相的一个好例子。
Questions 23 to 25 are based on the lecture you have just heard.
问题23到25基于你刚才听到的讲座。
Question 22. What does NASA's 1989 paper claim houseplants can do?
问题22。NASA 1989年的论文声称室内植物能做什么?
Question 23. What is said to be the problem with NASA's study reported in its 1989 paper?
问题23。据称NASA 1989年论文中报告的研究有什么问题?
Question 24. What is the finding of a new evaluation of dozens of studies spanning 30 years?
问题24。对跨越30年的数十项研究的新评估的发现是什么?
Question 25. What does NASA's SEALED experiment recommendation exemplify in scientists' pursuit of truth? That's the end of Listening Comprehension.
问题25。NASA的SEALED实验建议在科学家追求真理中体现了什么?听力理解到此结束。
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