Na vsako manjkajoče mesto v besedilu vstavi ustrezno besedo iz spodnjega nabora. / Fill in each gap with a suitable word from the box.

A group of researchers from Sweden has unlocked one of nature’s biggest secrets. The scientists worked out how spiders __________ (1) such strong silk when they spin their spider webs. The silk that spiders spin is incredibly strong and is tougher __________ (2) steel. For decades, scientists __________ (3) been researching what makes the silk so amazing. Finally, researchers from Sweden’s University of Agricultural __________ (4) and the Karolinska Institute have found the answer. They found that the materials for webs are stored in a spider’s silk gland as protein. The gland has a level of __________ (5) that helps to make the protein into very strong silk. The researchers copied this process to make enough artificial spider-web silk to __________ (6) for one kilometer.

The new artificial silk might be very __________ (7) to humans. Doctors are interested __________ (8) it to use for stitches. They also think it can help the skin recover after a burn. Some doctors believe the new silk could replace __________ (9) ligaments in the body. Airplane manufacturers and makers of protective clothing also see many uses for the new silk. Senior researcher Anna Rising spoke about __________ (10) important the discovery could be. She said: “This is the first successful  example of [copying] spider silk spinning. In the future, this may allow industrial production of artificial silk for bio-material applications or for the manufacture of advanced textiles.” The silk could become an important new material for us in the future.

(Adapted from breakingnewsenglish on 14 January 2017)

Rešitve naloge / Answer Key