考研Even as we humans count on forests to soak up a good share of the carbon dioxide we produce, we are threatening their ability to do so.
即使我们人类指望森林吸收我们产生的大量二氧化碳,我们也在威胁他们这样做的能力。
2019年考研真题(英语二)阅读理解 Section Ⅱ
六级Left alone, it was assumed, the world's rain forests would not only flourish but might even rescue us from disaster by absorbing the excess carbon dioxide and other planet-warming greenhouse gases.
人们认为,如果不加以考虑,世界雨林不仅会繁衍生息,甚至可能通过吸收过量的二氧化碳和其他导致地球变暖的温室气体,将我们从灾难中解救出来。
2013年6月阅读原文
考研Helping forests flourish as valuable "carbon sinks" long into the future may require reducing their capacity to absorb carbon now.
帮助森林在未来长期繁荣成为有价值的“碳汇”可能需要降低它们吸收碳的能力。
2019年考研真题(英语二)阅读理解 Section Ⅱ
考研The climate change we are hastening could one day leave us with forests that emit more carbon than they absorb.
我们正在加速的气候变化有朝一日可能会给我们留下排放的碳超过吸收的森林。
2019年考研真题(英语二)阅读理解 Section Ⅱ
六级We need very broad participation to fully address the global tragedy that results when countries fail to take into account the negative impact of their carbon emissions on the rest of the world.
我们需要非常广泛的参与,以全面解决各国未能考虑到其碳排放对世界其他地区的负面影响而导致的全球悲剧。
2017年6月阅读原文
六级If not corrected by the appropriate carbon price, low fossil fuel prices are not accurately signaling to markets the true social profitability of clean energy.
如果不通过适当的碳价格加以纠正,低化石燃料价格就不能准确地向市场表明清洁能源的真正社会盈利能力。
2017年6月阅读原文
六级Action to restore appropriate price incentives, notably through corrective carbon pricing, is urgently needed to lower the risk of irreversible and potentially devastating effects of climate change.
迫切需要采取行动,恢复适当的价格激励,特别是通过纠正碳定价,以降低气候变化不可逆转和潜在破坏性影响的风险。
2017年6月阅读原文
六级Grazing herds stimulate microbial activity in the soil, helping to capture water and separate carbon.
放牧牛群刺激土壤中的微生物活动,有助于捕捉水分和分离碳。
2019年12月六级真题(第三套)阅读 Section B
高考But the most sensible form of adaptation is surely to adapt our energy systems to emit less carbon pollution.
但最明智的适应方式无疑是调整我们的能源系统,以减少碳污染。
2017年高考英语江苏卷 阅读理解 阅读D 原文
高考When the polluting industries argue that we've lost the battle to control carbon pollution and have no choice but to adapt, it's a nonsense designed to make the case for business as usual.
当污染行业争辩说我们已经输掉了控制碳污染的战斗,除了适应之外别无选择时,这是一个旨在证明一切照旧的无稽之谈。
2017年高考英语江苏卷 阅读理解 阅读D 原文
六级Direct subsidies to research and development have been adopted by some governments but are a poor substitute for a carbon price: they do only part of the job, leaving in place market incentives to over-use fossil fuels and thereby add to the stock of atmospheric greenhouse gases without regard to the collateral ( ' , 附带的) costs.
一些政府已经采取了对研发的直接补贴,但这并不能很好地替代碳价格:它们只做了部分工作,留下了过度使用化石燃料的市场激励,从而在不考虑抵押品的情况下增加了大气温室气体存量(“,附带的) 成本。
2017年6月阅读原文
六级Direct subsidies to research and development have been adopted by some governments but are a poor substitute for a carbon price: they do only part of the job, leaving in place market incentives to over-use fossil fuels and thereby add to the stock of atmo
一些政府已经采取了对研发的直接补贴,但这并不能很好地替代碳价格:它们只做了部分工作,留下了过度使用化石燃料的市场激励,从而增加了atmo的存量
2017年6月六级真题(第一套)阅读 Section B
高考Warming changes key characteristics of the ocean and can affect phytoplankton growth, since they need not only sunlight and carbon dioxide to grow, but also nutrients.
变暖改变了海洋的主要特征,并可能影响浮游植物的生长,因为它们不仅需要阳光和二氧化碳才能生长,还需要营养物质。
2019年高考英语北京卷 阅读理解 阅读D 原文
六级Despite mournful polar bears and charts showing carbon emissions soaring, most people find it hard to believe that global warming will affect them personally.
尽管北极熊哀伤不已,图表显示碳排放量飙升,但大多数人很难相信全球变暖会对他们个人造成影响。
2015年12月阅读原文
六级Runaway fires pour even more carbon into the air, which increases temperatures, starting the whole vicious cycle all over again.
失控的大火向空气中注入更多的碳,从而使温度升高,重新开始了整个恶性循环。
2013年6月阅读原文
高考According to the author, polluting industries should fight against carbon pollution.
作者认为,污染行业应该与碳污染作斗争。
2017年高考英语江苏卷 阅读理解 阅读D 题设
六级The hope is that the success of COP 21 opens the door to future international agreement on carbon prices.
希望是COP 21的成功为未来的碳价格国际协议打开了大门。
2017年6月阅读原文
高考Without gravity to help circulate air, the carbon dioxide you exhale has a tendency to form an invisible cloud around you head.
如果没有重力帮助空气循环,你呼出的二氧化碳会在你的头部形成一团看不见的云。
2015年高考英语湖北卷 阅读理解 阅读D 原文
考研But the remaining trees draw a greater share of the available moisture, so they grow and thrive, restoring the forest's capacity to pull carbon from the air.
但剩下的树木吸收了更多的可用水分,因此它们生长茁壮成长,恢复了森林从空气中吸收碳的能力。
2019年考研真题(英语二)阅读理解 Section Ⅱ
六级It will motivate all nations to reduce carbon emissions.
它将激励所有国家减少碳排放。
2016年12月阅读原文
六级In order to maximize global welfare, every country's carbon pricing should reflect not only the purely domestic damage from emissions, but also the damage to foreign countries.
为了实现全球福利最大化,每个国家的碳定价不仅应该反映排放对国内造成的纯粹损害,还应该反映对外国造成的损害。
2017年6月阅读原文
六级By raising relative demand for clean energy sources, a carbon price would also help align the market return to clean-energy innovation with its social return, spurring the refinement of existing technologies and the development of new ones.
通过提高对清洁能源的相对需求,碳价格还将有助于使清洁能源创新的市场回报与其社会回报保持一致,刺激现有技术的改进和新技术的开发。
2017年6月阅读原文
考研The strategy also aims to ensure that carbon in woody material removed from the forests is locked away in the form of solid lumber or burned as biofuel in vehicles that would otherwise run on fossil fuels.
该战略还旨在确保从森林中移除的木质材料中的碳以固体木材的形式被锁定,或作为生物燃料在原本使用化石燃料的车辆中燃烧。
2019年考研真题(英语二)阅读理解 Section Ⅱ
六级While alternative estimates of the damage from carbon emissions differ, and it's especially hard to reckon the likely costs of possible catastrophic climate events, most estimates suggest substantial negative effects.
虽然对碳排放造成的损害的其他估计各不相同,而且很难估算可能发生的灾难性气候事件的可能成本,但大多数估计都表明了巨大的负面影响。
2017年6月阅读原文
四级However, David Reay, professor of carbon management, argues that, although microwaves use a great deal of energy, their emissions are minor compared to those from cars.
然而,碳管理教授大卫·雷伊(David Reay)认为,尽管微波使用大量能源,但与汽车相比,其排放量较小。
2019年12月四级真题(第一套)阅读 Section C
六级A tax on upstream carbon sources is one easy way to put a price on carbon emissions, although some countries may wish to use other methods, such as emissions trading schemes.
对上游碳源征税是为碳排放定价的一种简单方法,尽管一些国家可能希望使用其他方法,如排放交易计划。
2017年6月阅读原文
六级The result would be higher emissions of carbon dioxide and other greenhouse gases.
结果将是二氧化碳和其他温室气体的排放量增加。
2017年6月阅读原文
六级The International Monetary Fund calculates that countries can generate substantial fiscal revenues by eliminating fossil fuel subsidies and levying carbon charges that capture the domestic damage caused by emissions.
国际货币基金组织(IMF)计算出,各国可以通过取消化石燃料补贴和征收碳排放费来获得可观的财政收入,以弥补排放造成的国内损害。
2017年6月阅读原文
六级The author argues that the rising carbon levels in rain forests may turn them into a major source of greenhouse gases
作者认为,雨林中不断上升的碳含量可能使其成为温室气体的主要来源
2013年6月阅读原文
六级And it would raise the demand for technologies such as carbon capture and storage, spurring their further development.
这将提高对碳捕获和储存等技术的需求,刺激它们的进一步发展。
2017年6月阅读原文
六级Some scientists believe that the rise in carbon levels means that the Amazon and other rain forests in Asia and Africa may go from being assets in the battle against rising temperatures to liabilities.
一些科学家认为,碳水平的上升意味着亚马逊河流域以及亚洲和非洲的其他雨林可能会从对抗气温上升的资产变成负债。
2013年6月阅读原文
四级We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world's population at eight billion by 2040, completely remove poverty, and restore forests and soils.
我们必须到2020年将碳排放量从2006年的水平减少80%,到2040年将世界人口稳定在80亿,彻底消除贫困,恢复森林和土壤。
2016年6月阅读原文
六级billion metric tons of carbon into the atmosphere each year - making forests the leading source of greenhouse gases.
每年有10亿公吨的碳排放到大气中,使森林成为温室气体的主要来源。
2013年6月阅读原文
六级The carbon that we've put into the atmosphere keeps having a warming effect for 100 years, so we have to cut back rapidly now, because it would take a long time to work its way through into a response by the atmosphere.
我们排放到大气中的碳100年来一直具有变暖效应,因此我们现在必须迅速减少,因为它需要很长时间才能转化为大气的反应。
2016年6月六级真题(第一套)听力 Section C
四级And it would take an average of 65 years for the reduced carbon emissions from a new energy-efficient home to make up for the resources lost by destroying an old one.
一个新的节能住宅减少的碳排放量平均需要65年的时间来弥补因摧毁一个旧住宅而损失的资源。
2010年6月阅读原文
六级Politicians may tackle polluters while scientists do battle with carbon emissions.
政客们可能会对付污染者,而科学家们则会对付碳排放。
2015年12月阅读原文
六级Politicians may tackle polluters while scientists do battle with carbon emissions .
政客们可能会对付污染者,而科学家们则会对付碳排放。
2015年12月六级真题(第二套)阅读 Section B
六级Unless renewables become cheap enough that substantial carbon deposits are left underground for a very long time, if not forever, the planet will likely be exposed to potentially catastrophic climate risks.
除非可再生能源变得足够便宜,以至于大量的碳沉积在地下很长一段时间(如果不是永远的话),否则地球将可能面临潜在的灾难性气候风险。
2017年6月阅读原文
六级The reason is that when carbon is priced, those emissions reductions that are least costly to implement will happen first.
原因是,当碳定价时,实施成本最低的减排将首先发生。
2017年6月阅读原文
六级Economic reasoning shows that the least expensive way for each country is to put a price on carbon emissions.
经济推理表明,对每个国家来说,成本最低的方法是为碳排放定价。
2017年6月阅读原文
六级Co-author Amy Zanne thinks that users probably range from climate-change researchers wanting to estimate how much carbon is stored in biomass, to foresters looking for information on different grades of timber.
合著者艾米·赞恩认为,用户可能包括希望估算生物量中储存多少碳的气候变化研究人员,以及寻找不同等级木材信息的林业工作者。
2017年6月阅读原文
六级Amazon plants, for instance, hold more than 100 billion metric tons of carbon, equal to 15 years of tailpipe and chimney emissions.
例如,亚马逊工厂的碳排放量超过1000亿吨,相当于15年的排气管和烟囱排放量。
2013年6月阅读原文
六级billion metric tons of carbon into the atmosphere each year - making forests the leading source of greenhouse gases
每年有10亿公吨的碳排放到大气中,使森林成为温室气体的主要来源
2013年6月阅读原文
六级Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world.
在亚马逊地区的每个燃烧季节,边境定居者和开发商故意放火,每年排放近5亿吨碳,使巴西成为世界上温室气体排放量最大的五个国家之一。
2013年6月阅读原文
考研The state's proposed Forest Carbon Plan aims to double efforts to thin out young trees and clear brush in parts of the forest.
该州提出的森林碳计划旨在加倍努力,在部分森林地区砍伐幼树和清除灌木丛。
2019年考研真题(英语二)阅读理解 Section Ⅱ
四级carbon emissions come from heating, cooling and powering our homes, offices and other buildings.
碳排放来自家庭、办公室和其他建筑的供暖、制冷和供电。
2010年6月阅读原文
六级Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world
在亚马逊地区的每个燃烧季节,边境定居者和开发商故意放火,每年排放近5亿吨碳,使巴西成为世界上温室气体排放量最大的五个国家之一
2013年6月阅读原文
高考When these organisms die, they bury carbon in the deep ocean, an important process that helps to regulate the global climate.
当这些生物死亡时,它们将碳埋在深海中,这是一个有助于调节全球气候的重要过程。
2019年高考英语北京卷 阅读理解 阅读D 原文
六级Setting the right carbon price will therefore efficiently align the costs paid by carbon users with the true social opportunity cost of using carbon.
因此,设定正确的碳价格将有效地使碳用户支付的成本与使用碳的真正社会机会成本保持一致。
2017年6月阅读原文
六级Heating this chemical compound drives off carbon dioxide gas, leaving calcium oxide.
加热这种化合物会排出二氧化碳气体,留下氧化钙。
2018年12月六级真题(第二套)听力 Section C
高考But just now how much warmer it will get depends on how deeply countries cut carbon emissions.
但目前气候变暖的程度取决于各国减少碳排放的程度。
2016年高考英语上海卷 阅读理解 阅读B 原文
高考Phytoplankton live at the ocean surface, where they pull carbon dioxide into the ocean while giving off oxygen.
浮游植物生活在海洋表面,它们在释放氧气的同时将二氧化碳吸入海洋。
2019年高考英语北京卷 阅读理解 阅读D 原文
高考The idea is to get people fit and reduce their carbon footprint.
这个想法是为了让人们健康,减少他们的碳足迹。
2016年高考英语浙江卷(10月) 阅读理解 阅读B 原文
高考This is how much temperatures would rise by 2100 even if nations live up to the initial Paris promises to reduce carbon emissions; this rise could still put coastal cities under water and drive over half of all species to extinction.
这就是到2100年,即使各国兑现巴黎最初承诺的减少碳排放量,气温仍将上升多少;这一上升仍可能使沿海城市陷入水下,并导致超过一半的物种灭绝。
2016年高考英语上海卷 阅读理解 阅读B 原文
四级Mr Obama's plan to curb carbon dioxide (CO2) emissions (排放), though necessary, will be far from cost-free, whatever his sunny speeches on the subject might suggest.
奥巴马控制二氧化碳(CO2)排放的计划(排放), 尽管这是必要的,但无论他在这一主题上的阳光演讲可能会提出什么建议,它都远不是免费的。
2013年6月阅读原文
四级According to the author, Obama's plan to limit carbon dioxide emissions will by no means be inexpensive
根据作者的说法,奥巴马限制二氧化碳排放的计划绝不是廉价的
2013年6月阅读原文
四级carbon emissions come from heating, cooling and powering our homes, offices and other buildings
碳排放来自家庭、办公室和其他建筑的供暖、制冷和供电
2010年6月阅读原文
四级Popping food into the microwave for a couple of minutes may seem utterly harmless, but Europe's stock of these quick-cooking ovens emit as much carbon as nearly 7 million cars, a new study has found.
一项新的研究发现,将食物放入微波炉中几分钟似乎是完全无害的,但欧洲库存的这种快速烹饪炉排放的碳量相当于近700万辆汽车。
2019年12月四级真题(第一套)阅读 Section C
六级Pricing carbon proves the most economical way to reduce greenhouse gas emissions.
碳定价证明了减少温室气体排放最经济的方法。
2017年6月阅读原文
六级Some scientists believe that the rise in carbon levels means that the Amazon and other rain forests in Asia and Africa may go from being assets in the battle against rising temperatures to liabilities
一些科学家认为,碳水平的上升意味着亚马逊河流域以及亚洲和非洲的其他雨林可能会从对抗气温上升的斗争中的资产变成负债
2013年6月阅读原文
六级Runaway fires pour even more carbon into the air, which increases temperatures, starting the whole vicious cycle all over again
失控的大火向空气中注入更多的碳,从而提高了温度,再次开始了整个恶性循环
2013年6月阅读原文
六级carbon emissions are the leading cause of current global warming
碳排放是当前全球变暖的主要原因
2013年6月阅读原文
六级The author argues that the rising carbon levels in rain forests may turn them into a major source of greenhouse gases.
作者认为,雨林中碳含量的上升可能使其成为温室气体的主要来源。
2013年6月阅读原文
六级Its inability to curb the carbon emissions from industries
它无法控制工业的碳排放
2013年6月阅读原文
六级For a start, all animals, such as cows, pigs and sheep, always gas limed methane, which is the second most common green house gas after carbon dioxide.
首先,所有的动物,如牛、猪和羊,都是用气浸石灰的甲烷,这是仅次于二氧化碳的第二种最常见的温室气体。
2013年6月听力原文
六级Many environmental experts now believe that methane is more responsible for global warming than carbon dioxide
许多环境专家现在认为甲烷比二氧化碳对全球变暖负有更大的责任
2013年6月听力原文
六级But its surface has been cooked and dried by an ocean of carbon dioxide, trapped in the burning death grip of a runaway greenhouse effect.
但它的表面已经被一片二氧化碳海洋煮熟和干燥,被失控的温室效应所吞噬。
2019年6月六级真题(第二套)听力 Section C
六级The country is also planning to reduce its carbon footprint by 80-95% by 2050, sparking a shift to green energy in the country.
该国还计划到2050年将碳足迹减少80-95%,从而促使该国转向绿色能源。
2017年12月六级真题(第三套)阅读 Section A
考研Only recently have they come to see the vital part forests will have to play in storing carbon.
直到最近,他们才认识到森林在储存碳方面的重要作用。
2019年考研真题(英语二)阅读理解 Section Ⅱ
六级Its inability to curb the carbon emissions from industries.
它无法控制工业的碳排放。
2013年6月阅读原文
六级If the collapse of the rain forests speeds up dramatically,it could eventually release 3.5-5 billion metric tons of carbon into the atmosphere each year - making forests the leading source of greenhouse gases.
如果雨林的崩塌速度急剧加快,每年可能最终向大气释放35-50亿吨碳,使森林成为温室气体的主要来源。
2013年6月阅读原文
六级Many environmental experts now believe that methane is more responsible for global warming than carbon dioxide.
许多环境专家现在认为甲烷比二氧化碳对全球变暖负有更大的责任。
2013年6月听力原文
六级The Price of Oil and the Price of Carbon
Fossil fuel prices are likely to stay "low for long. "
石油价格和碳价格
2017年6月六级真题(卷一)
六级Action to restore appropriate price incentives,notably through corrective carbon pricing,is urgently needed to lower the risk of irreversible and potentially devastating effects of climate change.
迫切需要采取行动恢复适当的价格激励措施,特别是通过纠正碳定价,以降低气候变化带来不可逆转和潜在破坏性影响的风险。
2017年6月六级真题(卷一)
六级The Price of Oil and the Price of Carbon
A group of corn farmers stands huddled around an agronomist (农学家)and his computer on the side of an irrigation machine in central South Africa.
石油价格和碳价格
2020年12月六级真题(第1套)
六级Ideally,such a source would be safe in that it could not be made into weapons and would not make hazardous or toxic waste or carbon dioxide,the main greenhouse gas blamed for global warming.
理想情况下,这种来源是安全的,因为它不会被制成武器,也不会产生危险或有毒的废物或二氧化碳,而二氧化碳是导致全球变暖的主要温室气体。
2008年6月英语六级真题
六级As a bonus, the hotel’s lower energy needs have reduced its annual carbon emissions by more than 200 metric tons.
此外,酒店较低的能源需求使其年碳排放量减少了200多公吨。
2007年12月英语六级真题
六级Efficiency is also a great way to lower carbon emissions and help slow global warming.
效率也是降低碳排放和减缓全球变暖的好方法。
2007年12月英语六级真题
六级Phasing old bulbs out by 2030 would save the output of 650 power plants and avoid the release of 700 million tons of carbon into the atmosphere each year.
到2030年逐步淘汰旧灯泡将节省650座发电厂的产量,并避免每年向大气中释放7亿吨碳。
2007年12月英语六级真题
六级More than half of all residential power goes into running household appliances,producing a fifth of the world’s carbon emissions.
超过一半的住宅电力用于家用电器,产生了世界五分之一的碳排放。
2007年12月英语六级真题
六级There are many different ways to measure agricultural performance besides food yield: energy use, environmental costs, water purity, carbon footprint and biodiversity.
除了粮食产量之外,还有许多不同的方法来衡量农业表现:能源使用、环境成本、水纯度、碳足迹和生物多样性。
2008年12月英语六级真题
六级It is clear, for example, that the carbon of transporting tomatoes from Spain to the UK is less than that of producing them in the UK with additional heating and lighting.
例如,很明显,将番茄从西班牙运输到英国的碳排放量低于在英国生产番茄时额外加热和照明的碳排放。
2008年12月英语六级真题
六级But we do not know whether lower carbon footprints will always be better for biodiversity.
但我们不知道低碳足迹是否总是对生物多样性更好。
2008年12月英语六级真题
四级Silicon will have ended carbon’s long control.
硅将终结碳的长期控制。
1997年6月大学英语四级(CET-4)真题
四级A third is certain basic chemicals such as carbon, oxygen and nitrogen.
第三种是某些基本化学物质,如碳、氧和氮。
2009年12月大学英语四级考试真题
四级Mr Obama’s plan to curb carbon dioxide (CO₂) emissions (排放), though necessary, will be far from cost-free, whatever his sunny speeches on the subject might suggest.
奥巴马遏制二氧化碳排放的计划₂) 排放(排放), 尽管这是必要的,但无论他关于这个主题的阳光演讲可能暗示什么,这都远非免费的。
2013年6月大学英语四级考试真题(第1套)
四级We must cut carbon emissions by 80% from their 2006 levels by 2020, stabilize the world’s population at eight billion by 2040, completely remove poverty, and restore forests and soils.
到2020年,我们必须将碳排放量从2006年的水平减少80%,到2040年将世界人口稳定在80亿,彻底消除贫困,恢复森林和土壤。
2016年6月大学英语四级真题(第2套)
四级Popping food into the microwave for a couple of minutes may seem utterly harmless, but Europe’s stock of these quick-cooking ovens emit as much carbon as nearly 7 million cars, a new study has found.
一项新的研究发现,将食物放入微波炉几分钟似乎完全无害,但欧洲现有的这些快速烹饪烤箱排放的碳相当于近700万辆汽车。
2019年12月大学英语四级真题(第3套)
四级Nowadays forests are increas-ingly welcome because they suck in carbon pollution from the air.
如今,森林越来越受欢迎,因为它们吸收了空气中的碳污染。
2020年12月大学英语四级真题(第2套)
四级Arrhenius calculated the capability of carbon dioxide to trap heat in the Earth’s atmosphere, but other chemists disagreed.
阿伦尼斯计算了二氧化碳在地球大气层中捕获热量的能力,但其他化学家不同意。
2020年12月大学英语四级真题(第3套)
考研Added to that is an atmospheric pressure about 90 times Earth’s: High overhead in the carbon dioxide (CO2) that passes for air is a layer of clouds, perhaps 10 to 20 miles thick, whose little drops consist mostly of sulfuric acid (H2SO4).
除此之外,大气压力约为地球的90倍:在进入空气的二氧化碳(CO2)的高空是一层云层,厚度约为10至20英里,其小水滴主要由硫酸(H2SO4)组成。
1990年全国硕士研究生入学统一考试英语试题
考研The carbon dioxide (CO2) from the air may enter the leaf as a gas but is dissolved in water in the leaf before it is combined with a part of the water to form simple sugars—the base material from which the plant body is mainly built.
来自空气的二氧化碳(CO2)可能以气体的形式进入叶片,但在与一部分水结合形成单糖之前,它会溶解在叶片中的水中,单糖是植物主体主要构建的基础材料。
1991年全国硕士研究生入学统一考试英语试题
考研The processes of photosynthesis, by which carbon dioxide and water are combined—in the presence of chlorophyll (叶绿素) and with energy derived from light—to form sugars, require that carbon dioxide from the air enter the plant.
光合作用的过程,二氧化碳和水在叶绿素的存在下结合在一起(叶绿素) 利用来自光的能量形成糖,需要空气中的二氧化碳进入植物。
1991年全国硕士研究生入学统一考试英语试题
考研The leaf surface is not solid but contains great numbers of minute openings, through which the carbon dioxide enters.
叶片表面不是固体,但含有大量微小的开口,二氧化碳通过这些开口进入。
1991年全国硕士研究生入学统一考试英语试题
考研Since carbon dioxide is present in the air only in trace quantities (3 to 4 parts in 10,000 parts of air) and water vapor is near saturation in the air spaces within the leaf (at 80℉, saturated air would contain about 186 parts of water vapor in 10, 000 parts of air), the total amount of water vapor lost is many times the carbon dioxide intake.
由于二氧化碳仅以微量(10000份空气中的3至4份)存在于空气中,并且水蒸气在叶片内的空气空间中接近饱和(80℉, 饱和空气在10000份空气中含有约186份水蒸气),水蒸气损失的总量是二氧化碳摄入量的许多倍。
1991年全国硕士研究生入学统一考试英语试题
考研Actually, because of wind and other factors, the loss of water in proportion to carbon dioxide intake may be even greater than the relative concentrations of the two gases.
事实上,由于风和其他因素,水的损失与二氧化碳的摄入量成比例,甚至可能大于这两种气体的相对浓度。
1991年全国硕士研究生入学统一考试英语试题
考研Also, not all of the carbon dioxide that enters the leaf is synthesized into carbohydrates (碳水化合物) .
此外,并非所有进入叶片的二氧化碳都被合成为碳水化合物(碳水化合物) .
1991年全国硕士研究生入学统一考试英语试题
考研In the atmosphere, carbon dioxide acts rather like a one-way mirror—the glass in the roof of a greenhouse which allows the sun’s rays to enter but prevents the heat from escaping.
在大气中,二氧化碳的作用相当于一面单向镜——温室屋顶上的玻璃,它允许阳光进入,但防止热量逸出。
1992年全国硕士研究生入学统一考试英语试题
考研This fits the theory that carbon dioxide warms the earth.
这符合二氧化碳使地球变暖的理论。
1992年全国硕士研究生入学统一考试英语试题
考研If this is right, the warming effect of carbon dioxide might thus be serving as a useful counte-balance to the sun’s diminishing heat.
如果这是正确的,那么二氧化碳的变暖效应可能会成为太阳热量减少的一个有用的计数平衡。
1992年全国硕士研究生入学统一考试英语试题
未经许可,严禁转发。QQ交流群:688169419