There are a lot of cars, factories in the world so they produce a lot of h    1     gases. People cut down m    2     of trees every year to get the wood, which will lead to a great disaster. This is not good for the environment and our human beings will suffer a lot from the bad result. We should try our best to p    3     the Earth and fight a    4     the air pollution. For e    5    , we can plant more trees to make the air cool and clean. If we work together, our Earth will become better!

How do you deal with plastic bags from the supermarket? Throw them away or recycle them? How about e    1     them?

Ashwath Hedge who set up the EnviGreen company     2     (花费) four years doing experiments with twelve natural materials to make the bag. The bags are no harmful to the e    3    . Humans and animals can safely eat them, although the Envi Green bag is more expensive than a c    4     plastic bag. But an Envi Green bag can naturally break down (分解) in less than 180 days. It     5     (也) breaks down in a day in water, and in a minute in boiling water. Maybe the Envi Green bag could be a way to solve plastic pollution.

Hello, everyone! Welcome to today’s Travel Around!

Do you know where Hainan Island is? Would you like to know something about it? Now let me tell you. It lies in the south of China. It’s     1     second largest island in China. It has a population of over 9,000,000. There, you could either go to visit the flower markets (市场)     2     enjoy the delicious seafood. There, you could find many beautiful beaches. People love walking slowly along the seaside or swimming in the sea. Its wonderful places of interest make thousands     3     tourists come to Hainan every day. On the island, people can enjoy bright sunshine, fresh air and taste delicious food. They can enjoy the beauty of nature. And they     4     also live a peaceful life there.

Thanks for your watching! We     5     looking forward to your coming.

【推荐2】In the old days, in London, the smog (烟雾) was very thick. Drivers had to drive very s    1    . It was hard for them to see the road in front of them even during the daytime. People did not like going out in the smog. I    2     they had to go out, they wore masks (面具) over their faces.

In December 1952, a very thick dark cloud came down over London. It was the heaviest smog Londoners had ever had. About fifty people d    3     in road accidents. And many people became unhealthy. The smog was very b    4     for old people and children. One man said, “The s    5     were almost empty because people stayed at home as much as possible. The air was very thick, and you could almost cut it with a knife.”