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  3. "It can’t be done. " Boyan Slat heard this over and over when he first proposed a way to clean up millions of tons of plastic po

"It can’t be done. " Boyan Slat heard this over and over when he first proposed a way to clean up millions of tons of plastic po

admin2020-01-07  24
问题    "It can’t be done. " Boyan Slat heard this over and over when he first proposed a way to clean up millions of tons of plastic polluting our oceans. Almost anyone else would have given up in frustration and despair. But 20-year-old Slat hasn’t been discouraged but committed to his dream. "Human history is basically a list of things that couldn’t be done, and then were done," he says. Today, Slat and his team at the Ocean Cleanup are well on their way to proving the critics wrong. Good news for the planet.
   Slat, who grew up in the city of Delft in the Netherlands, was on a diving trip in Greece three years ago when he was deeply impressed by plastic, "There were more plastic bags than fish," he says. "That moment I realized it was a huge issue and that environmental issues are really the biggest problems my generation will face. "
   That fall, Slat, then 17, decided to study plastic pollution as part of a high school project. Soon, Slat learned that no one had yet come up with practical way to clean up this massive garbage patches. Most proposed solutions involved "fishing" up the plastic using ships equipped with nets-which, as Slat discovered, would likely take more than 1,000 years, cost too much, let off too much sea life along with the trash.
   Slat proposed an alternative that mostly avoided these problems - a solar - powered system using a floating plastic tube which will go around the garbage and trap it is 600 meters long, A big screen hangs down from it, about three metres into the water. Wind, waves and ocean currents will push the trash toward the tube. (Fish can swim under the screen) A ship will pick up the trash and take it back to the shore to sort and recycle it into oil and other products. Best of all, Slat predicted his system could clean up the North Pacific Garbage Patch between California and Hawaii where a lot of floating garbage exists, within five to 10 years.
   The following, Slat entered the aerospace engineering program at the Delft University of Technology and officially announced his ocean cleanup concept at TEDx Delft. But nothing much moved forward,Slat found himself continually absent-minded in classes, looking for ways to improve his concept. "It wouldn’t let go. I finally decided to put both university and my social life on hold to focus all my time on developing this idea. I wasn’t sure if it would succeed, but considering the scale of problem I thought it was important to at least try. " He says.
   With this family’s blessing, Slat began in earnest organizing a team of volunteers and employees for The Ocean Cleanup, which now numbers about 100.
   In answer to opposition, Slat and his team raised $ 100,000 from a crowd funding campaign and began testing a 40-meter collecting barrier near the Azores Islands last March. In June, they released a 500+ page possibility study.
   Over the next three to four years, Slat will push toward a fully operational large-scale project by testing a series of longer and longer barriers. He’s currently seeking to crowd fund $ 2 million to finance it. Incidentally, The Ocean Cleanup is also working on a plan to stop plastic from washing into the oceans in the first place. "It’s just the other problem that is equally important. " Slat says. "It’s something everyone is able to help with, and we also have some technologies in the pipeline.
   As for school, Slat doesn’t miss it-except maybe for the social-part, which he hopes to a bit once his team takes on more of the workload. "I don’t have time for things like that right now, but I really can’t complain. I can imagine doing something more fun than being able to have an idea and then actually making it into a reality. " he says.  
What can we say about Slat’s design?
选项 A、It is powerful but only used in California and Hawaii.
B、It is huge but causes great damage to sea lives.
C、It makes full use of natural forces and is friendly to nature.
D、It was welcomed by all the public and worked very well.
答案C
解析 考查细节理解题。根据第四段第二句可知，Slat的设计充分利用了风、海浪和洋流等自然力量，因此它是环保的。故本题选C。
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