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
外语
Originally, plastic was hailed for its potential to reduce humankind’s heavy environmental footprint. The earliest plastics were
Originally, plastic was hailed for its potential to reduce humankind’s heavy environmental footprint. The earliest plastics were
admin
2013-10-08
45
问题
Originally, plastic was hailed for its potential to reduce humankind’s heavy environmental footprint. The earliest plastics were invented as substitutes for shrinking supplies of natural materials like ivory or tortoiseshell. Today, plastic is perceived as nature’s nemesis(复仇者). But a generic distaste for plastic can muddy our thinking about the trade-offs involved when we replace plastic with other materials.
Take plastic bags, the emblem(象征)for all bad things. They clog storm drains, tangle up recycling equipment, litter parks and beaches and threaten wildlife on land and at sea. Such problems have fueled bans on bags around the world and in more than a dozen American cities. Unfortunately, the bans typically lead to a huge increase in the use of paper bags, which also have environmental drawbacks. In other words, plastics aren’t necessarily bad for the environment; it’s the way we make and use them that’s the problem.
It’s estimated that half of the nearly 600 billion pounds of plastics produced each year go into single-use products. Some are indisputably valuable, like disposable syringes(注射器), which have been a great ally in preventing the spread of infectious diseases like HIV, and even plastic water bottles, which, after disasters like the Japanese tsunami(海啸), are critical to saving lives. Yet many disposables, like the bags, drinking straws and packaging commonly found in beach clean-ups, are essentially prefab litter with a heavy environmental cost.
And there’s another cost. Pouring so much plastic into disposable conveniences has helped to diminish our view of a family of materials we once held in high esteem. Plastic has become synonymous with cheap and worthless, when in fact those chains of hydrocarbons ought to be regarded as among the most valuable substances on the planet. If we understood plastic’s true worth, we would stop wasting it on trivial throwaways and take better advantage of what this versatile material can do for us.
In a world of nearly seven billion souls and counting, we are not going to feed, clothe and house ourselves solely from wood, ore and stone; we need plastics. And in an era when we’re concerned about our carbon footprint, we can appreciate that lightweight plastics take less energy to produce and transport than many other materials.
Yet we can’t hope to achieve plastic’s promise for the 21st century if we stick with wasteful 20th-century habits of plastic production and consumption. We have the technology to make better and safer plastics—forged from renewable sources, rather than finite fossil fuels, using chemicals that inflict minimal or no harm on the planet and our health.
The author believes that people would stop wasting plastic if they______.
选项
A、knew the history of its invention
B、realized its impact on the environment
C、got punished for wasting it
D、didn’t take its value for granted
答案
D
解析
细节辨认题。定位句告诉人们要重视塑料的价值。如果人们能认识到塑料的真正价值,就不会把塑料浪费在生产一些不重要的用完即丢的物品上,而是会更好地利用这种具有多方面用途的材料,因此答案为D)。
转载请注明原文地址:https://kaotiyun.com/show/xX27777K
0
大学英语六级
相关试题推荐
Organisedvolunteeringandworkexperiencehaslongbeenavitalcompaniontouniversitydegreecourses.Usuallyitisleftto【C
Market【C1】______donotcomenaturallytoChineseofficials.Forthepastfouryearstwohugediversion【C2】______havebeenunde
Methodsofstudyingvary;whatworks【C1】______forsomestudentsdoesn’tworkatallforothers.Theonlythingyoucandoisex
A、Howmanyweeksthereareinamonth.B、Whichdayspeopleshouldwork.C、Howtheweekisdividedintodays.D、Whichdaybegins
A、Salesmanandcustomer.B、Reporterandinterviewee.C、Judgeandjury.D、Doctorandpatient.B人物关系题。Dr.Brown被问及对个人拥有枪支的看法,她说应该修
A、Healing.B、Repairing.C、Growing.D、Moving.C选项和细节有关。本题是细节题。从ineffecttheygrowanewtreeovertheoldoneeveryyear.Themo
Researchonfriendshiphasestablishedanumberoffacts,someinteresting,evenuseful.Didyouknowthattheaveragestudenth
ThewholeworldputattentiontotheSouthAsiawherethetsunamihappened.Before,musiciansproduceda"sonictsunami",WallS
A、Moreconfusionamongparents.B、Lessrespectforparentsfromchildren.C、Newequalitybetweenparentsandchildren.D、Morest
A、WhereUFOscame.B、TheHeaven.C、TheRiverofHeaven.D、Lightinthesky.C细节题。由四个选项可以推测,本题的内容和某事物有关。文中提到银河系远离地球,无法用肉眼看到,从“To
随机试题
A、不溶性杂质B、遇硫酸易碳化的杂质C、水分及其他挥发性物质D、有色杂质E、硫酸盐杂质澄清度检查法是测定( )。
根据《商业银行授信工作尽职指引》,影响客户资信的重大事项包括()。
在借贷记账法下,下列各项中应登记在账户贷方的是()。
中共中央政治局常委、国务院副总理李克强2010年2月5日上午在中央举办的省部级主要领导干部贯彻落实科学发展观加快经济发展方式转变专题研讨班上发表重要讲话。他强调,我国已进入只有()才能促进持续发展的关键时期。
()是培训的直接受益者,所以向其了解培训效果信息,是最便捷的渠道。
下列说法正确的是()。
印度国家旅游局曾经宣布,香格里拉位于喜马拉雅山下的巴尔蒂斯镇;尼泊尔人也________,声称他们的边陲小镇木斯塘为香格里拉;俄罗斯人则在西伯利亚的冰天雪地里,辗转寻找香格里拉的________。可实际上,香巴拉作为佛教理想中极乐世界的象征,无论把它放在哪
行政诉讼当事人:指因具体行政行为发生争议,以自己的名义到人民法院起诉、应诉(即参加诉讼),请求人民法院保护自己的权益,并受法院裁判约束的公民、法人和行政机关或其他组织。下列不属于行政诉讼当事人的一项是( )。
在连续奇数1,3,…,205,207中选取N个不同数,使得它们的和为2359,那么N的最大值是:
有如下程序:#includeusingnamespacestd;classBase{public:Base(inti){x=i;}voiddispa(){cout
最新回复
(
0
)