Twoyearsago，BoyanSlat，41.

問題詳情：

Two years ago，Boyan Slat，41.________  19­year­old university student in Holland，made the claim that he 42.________clean up the oceans（海洋） vast accumulation of plastics（塑料）in about five years.

43．________a diving holiday in Greece，Boyan Slat，aged 16，found there were 44.________(many) plastic bags than fish in the sea. He started looking for a 45. ________ (solve) to ocean plastic pollution. In 2012，he decided to make his intentions public. It sounded like a pipe­dream to many when Slat first described his idea，but he felt it was so simple it just might work.

Slat came up with 46.________he called a floating “Ocean Cleanup Array.” Instead of going after the plastics，he designed an array (排列) of long floating barriers（障礙） to let the ocean currents(洋流) concentrate the plastic itself．The system of floating barriers is over a mile long.

The system had its first test，which 47.________(perform) in the Azores Islands. After proving the feasibility (可行*) of the array in doing what it was supposed to do，the real evaluation（評估） of the array will take place in the second quarter of 2016，in a two­year pilot project in real­world conditions off the coast of Tsushima，an island 48.________(lie) between Japan and South Korea.

This pilot project is worth watching to see 49.________ it works. And if it does work as 50.________(expect)，we have something even bigger to look forward to.

【回答】

41. a    d/would   43. During  44. more   45. solution 　46. what

46. 47. was performed   48．lying   49.  if/whether   50．expected  (每題1.5分）

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