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The English Week at Jianghai Secondary School

Our school held an English Week before the mid-term exams._____________________________

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¡¾´ð°¸¡¿The English Week at Jianghai Secondary School

Our school held an English Week before the mid-term exams. It started on November 3rd and ended on November 9th. All the students, our English teachers and three foreign teachers in our school took part in it.

During the week, each class held an English Newspaper competition. We watched a few English films. We sang English songs, read English poems, held English Speech Contests and so on. We also had an English evening party. All of us enjoyed ourselves on the party night.

Now each student in our school reads English poems every day. We are more and more interested in learning English. And our spoken English is getting better and better.

¡¾½âÎö¡¿ÕâÊÇһƪ¸ø²ÄÁÏ×÷ÎÄ£¬Ð´Ò»ÆªÌâΪ"The English Week at Jianghai Secondary School'¡¯µÄÓ¢Óï

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¡¾ÌâÄ¿¡¿ Scientists in Britain and the United States have made a new kind of enzyme(½ÍËØ)that eats plastics. With its help, plastics can be turned into smaller parts and go away quickly. Scientists believe that, in the future, it could solve the problem of plastic pollution.

The enzyme is able to break down PET, a form of plastic. PET was first made in the 1940s and is now widely used to make plastic bottles. It can remain in the environment for many years and pollute large areas of land and water. So it has always been a headache to deal with the waste from PET and other plastics.

The researchers made the discovery while examining the structure of a natural enzyme in Japan. They found that the natural enzyme was helping to break down PET plastics. So, they decided to make small changes to the enzyme by adding some amino acids(°±»ùËá). It made the natural enzyme's plasticeating abilities work faster and better.

John McGeehan, one of the lead researchers, said, ¡°We've made an improved enzyme. It's better than the natural one. And we are trying to make more improvements to it.¡± He went on, ¡°The enzyme is not harmful to humans or animals, and it is friendly to the environment. So we are considering putting it into wider use.¡±

The team is now trying to make the enzyme break down PET in large quantities(´óÁ¿µØ). ¡°We'll_see_that_the_plastic_pollution_may_be_stopped_with_this_technology__However, there is still a long way to go£¬¡± John McGeehan added.

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With the help of this new enzyme, plastics can be________________ smaller parts and go away quickly.

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PET can pollute large areas of ________________.

¡¾3¡¿¼òÂԻشðÎÊÌ⣺ What did the researchers find according to the passage?

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