After you dump your trash, it doesn’t just sit in the garbage can. People have to collect the waste and move it to landfills. There, people sort the waste and d__1__ whether to burn, bury or recycle it. It t__2__ lots of time and work for many people. So if we can sort our garbage before t__3__ it away, we can make a big difference.
Each year, China p__4__ around 300 million tons of garbage. Less than a quarter of the waste is recycled. Most garbage is buried in landfills or burned w__5__ being sorted. Landfills take up a lot of space in cities. It can also pollute the nearby soil and water.
Things in developed countries are much better, thanks to their sorting s__6__.
In Japan, for example, there are strict r__7__ dumping garbage. One has to put the right garbage in the right place at the right time. The garbage is u__8__ sorted into eight kinds: burnable. non-burnable, plastic bottles recyclable plastic, other plastic, paper, harmful rubbish and then h__9__ rubbish like decks and old TV sets.
China has been promoting garbage sorting in recent years. Beijing, for example, will s__10__ a promotion plan next year. According to the plan, people get WeChat bonus points by sorting out garbage. They can later exchange the points for shopping cards or even cash!
Who designed (设计) the first helicopter (直升飞机)? Who __1__ of the most famous pictures in the world? Who knew more about the human body than most __2__?There is an answer __3__ all these questions --- Leonardo de Vinci (达芬奇).
Leonardo may have been the greatest genius (天才) __4__ have ever known. He lived in Italy around the year 1500, but many of his inventions seem modern to us today. For example, one of his notebooks has drawings of a helicopter. Of course, he couldn’t __5__ a helicopter with the things he had. But scientists say his idea would have worked.
But Leonardo __6__ an inventor. He was one of the greatest artists of his day. By the time he was twenty years old, he was called a master ( 大师) painter, and as he got older he became __7__ more famous. Sometimes he drew a hand ten different ways __8__ he was ready to paint.
Many of Leonardo’s wonderful paintings are still with __9__ today. You may know one of his most famous works the __10__ woman known as the Mona Lisa.
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