I had a good time on my vacation. I spent my vacation trekking(徒步旅行)in Nepal, a small country in the Himalaya Mountains of Asia.

    On the trekking vacation, I walked for a long time through the mountains. There are very few roads in Nepal, so trekking is the best way to travel. It will be better if you have a guide. The guides know the best paths to take and they can also help trekkers with their bags. Sometimes our guide cooked food for us. Every day, we trekked for about four hours in the morning, and two hours in the afternoon. We slept in the large tents. It was very interesting. I didn't want to go home in the end.

    Information Card

    Tom has two good friends. They are Jack and Mark. They have different hobbies. Tom likes football. He often plays football on weekends. He thinks playing football can make him strong and healthy. He is in the school football team.

    Jack doesn't like sports. He likes listening to music. He likes Jay Chow best. He buys many of his CDs. He often listens to music on the way home after school. He thinks music can make him happy.

    Mark likes taking photos. He has a good camera(照相机). When he is free, he often takes it out and takes some pictures. Some of his pictures are in newspapers(报纸) now. He thinks we live in a beautiful world. He wants people to see the beautiful world in his pictures.

    A city without cars would be very strange, right? But Venice is such a city.

    Venice is in the northeast of Italy. It wasn't built on land, like Beijing or Shanghai, but on more than 110 islands. Seawater is everywhere around the city.

    Even so, traveling isn't that difficult. The waterway has always been the best way to get around. There are 117 waterways and more than 400 bridges that connect one river with another and can also guide you where you want to go. People in Venice move from place to place by boat. They like to enjoy the scenery and cool summer nights while taking boat trips. They can talk to other people as they go along the river.

    Water makes the city special, but it is also a big problem. Sometimes tourists will have such strange experiences. One moment they walk across the Rialto Bridge, and there's nothing special. But when they come back to the bridge an hour later, it's underwater and everyone is wearing rain shoes.

    Once, people used too much underground water. This made the city get lower little by little. Now the city has gone down by 23 centimeters. Another problem is that the temperature has risen over the years. This has made ice of the Arctic Ocean（北冰洋）melt（融化）.

    Scientists are trying different ways to stop the city from getting even lower. The Italian government has asked some of Italy's biggest companies to build the MOST project, which was planned to be built under the seawater to stop the rising water. Anyway, this project is helping solve the problem.

    Venice lies in the northeast of Italy. You can't{#blank#}1{#/blank#} cars in this strange city. Although it was built on {#blank#}2{#/blank#} 110 islands and seawater is almost everywhere around the city, traveling is{#blank#}3{#/blank#} There are 117 waterways and more than 400 bridges that connect one river with another one. People can take a {#blank#}4{#/blank#}from place to place there{#blank#}5{#/blank#} water makes the city special, it is also a big problem. Scientists are trying different ways to stop the city from being covered by water in the future.

(D)

    According to the traditional Chinese custom, 2018 is just the year of Dog. Ranking as the eleventh animal in the Chinese zodiac -- the Shengxiao, Dog is a symbol of loyalty (忠诚) and honesty.

    ●Self-mocker (自嘲)

    Words and phrases including dogs (Gou in Chinese) are commonly used by young people when telling jokes about themselves. For example, you can say “Valentine's Day has nothing to do with me since I am a single dog.” It is believed that dog-related words and phrases usually have good humour.

    ●Close relationship

    Among some young people, adding “dog” to a friend's name has the meaning of a close relationship. One of the most famous examples in China is that the actor Lin Gengxin is called Lin Gou by his close friends and beloved fans.

    ●Easy to raise

    Kids with pleasant names are easy to bring up, according to an ancient Chinese saying. Parents in the countryside prefer to give nicknames including Gou Sheng and Gou Dan to their kids in the hope that they are as easy to be raised as dogs.

    ●Metaphor (隐喻)

    Since dogs are considered to have many good qualities ( 品 质 ), the word is included in more than 10 Chinese metaphors. For example, “serve like a dog or a horse,” is used to describe someone who is ready to work hard for the people who have powers.

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    Started in the year 1970, Earth Day is now celebrated in more than 193countries each year. Every year, the event is celebrated under a different theme. The theme for 2016 is" "Trees for the Earth". Here are five things you can do to celebrate Earth Day (apart from planting trees)and make this a better world for future generations.

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    Cars, being the greatest source of air pollution, can be left at home this weekend. Traveling by public transport is the better choice. Other greener choices are carpooling, riding a bike or you can also walk if your workplace isn't that far away from your home.

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    NO, we don't mean you should be dirty. We simply mean to say, don't take a bath every day. A day or two without a bath won't harm you, but it will certainly do a lot of good for our planet. Water saved is the planet saved.

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    This is one of the best things you can do. Why? Because it will do you good, too. Volunteer to join other tasks. If you have time, you can plant trees, clean a park or simply come up with ways you can preserve mother Earth.

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    This is one of the most common things that people can do at home, that is, turn off their lights. However, this isn't something you should do just for a day. Save energy by turning off all electricity points whenever they are not in use.

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    Do something every day that will improve your surroundings and contribute to making the planet a better place to live in. Always remember that every step counts.