When you go out for a business trip or weekend, you have to 1 pack your mobile phone, laptop(手提电脑), MP3 player, camera and so on. It's wonderful for you to 2 no batteries, no chargers(充电器) and no wires.

    This is the future “wireless power”. That is 3 of passing on electricity through the air to laptops and other small electrical devices (装置) without the need of wires.  These new devices were4 the first trade products in Las Vegas at the International Consumer Electronics Show, the world's biggest trade 5 for small electrical devices.

    Experts believe this is just the 6. In a world without wires, you can use a laptop in cafes or airports 7 you put an “electricity hotspot” inside and no longer have to search for a charger form your bags. It is said that you will be able to 8 your devices in the room that has wireless power, and then they will get the power 9. If one room has wireless power, you would know that once you walk through the front door, your mobile phone starts charging up, even when it is still in your bag or pocket. You'd never need to 10 the right charger again.

    This kind of technology, named Power Bean, can turn electricity into a laser(激光), then pass it on as heat, across the room.

    The lion is one of the most fierce (凶猛的) animals in the world. Lions can be1 in Africa and India. Lions in Africa can live without water for about one month. Lions are also popular animals in the2 . Almost every zoo around the world has a few lions. It is very3 for people to tell male and female lions from each other. You can judge (判断) simply by their appearance. A male lion has mane while female lions do not have. Male lions are 4than female lions. A male lion usually weighs about 200 kilograms which is always heavier than a female lion. Both male and female lions have very 5 teeth. They can break the backs of other animals 6 Lions feed on other animals and one lion usually kills between ten and twenty large animals each year for 7it's unusual for lions to kill people. However, in 1898 two lions 8and ate over one hundred people in Kenya before they were shot by a British man named Patterson. This 9 became the subject(主题) of a 1996 Hollywood movie called The Ghost and the Darkness. Now the Indian lions are endangered. It's really necessary for us to 10 the animals, or we won't see them again. Animals are our friends. It is our obligation to protect them.

    As we know, there are four seasons in a year. When spring 1, it's getting warmer and warmer. Everything comes back to life. Trees turn 2. There are beautiful flowers and grass here and there. Children can 3 kites in the sky. 4 summer, the weather becomes hot. 5 people can take part in more activities outside, such as running in the morning, taking a walk in the evening, going camping, 6 in the river, travelling with family, and so on. 7 comes after summer. It's a harvest season. We can taste 8 of fresh fruits. The weather is neither too hot nor too cold. People feel comfortable. It usually snows in winter in my home town. Snowing 9 me excited. Children are 10 in making snowmen outside. A heavy snow will predict a good year. The four seasons bring us happiness and pleasure. We should love and treasure (珍惜) them.

    Today more and more people live in cities. So there is usually little room in a city to grow food.1of the land in a city is used 2 homes, shops, roads and parks. Most food for city people is grown in the country. It is often brought to the city by3, train and plane. Some food 4 comes into the city by car.

    Water is5 thing that cities get from the country. Everyone needs water every day. We use a little of it for6, but we use even more to 7bathtubs(浴缸) and wash streets.

    The water used in cities comes mostly from the rain. But people8use the rain that falls on cities. The rain becomes dirty as it falls through dirty air. Once it hits city buildings or streets, the rain will pick up more dirt. It is not good for drinking or bathing.

So cities must reach out to the 9 country for water. There the rain falls through air onto trees and grass. The fallen rain runs 10 rivers and lakes. So it is important to keep both cities and the country clean.

    Each one of us shares this planet with seven billion others. And we all need 1. People and products need to move from city to city and country to country. However, we all know 2 most cars, motorcycles, boats and planes cause air pollution. They are also 3.This is a serious problem in many cities.4 inventors are coming up with creative ideas to try to reduce the pollution and noise.

    In many cities around the world, motorcycles are very 5. Now Vietnam has around 33 million motorcycles and China has almost 120 million. Motorcycles are a faster and cheaper way to get around a city than 6. Yet air pollution is a growing problem. In large cities, people7it is difficult to breathe. To solve these problems, a US company designed an environmentally friendly motorcycle. It uses electricity as fuel (燃料). As a result, there is 8 pollution. It's also quiet and fast. This makes 9 a good choice for getting around a city.

    The Italian city of Venice is a city with only a few 10. There are no cars in the city center,11 cars, water taxis and buses carry people along the city's canals (运河). However, they cause pollution, 12 to the water. English engineers Dick and Jim designed a solar –powered(太阳能) water taxi. The water taxi 13 run for a day after being recharged(重新充电). Planes also cause air and noise pollution. Designing an environmentally friendly airplane is a real 14. Some airplane companies have 15 to solve the problems. Swiss engineers have gone one step further. They developed a solar airplane. This plane holds the world record for the longest solar-powered flight-1,541 kilometers from Arizona to Texas in America.

Many students have problems in listening to English. Read the information below and learn more about how to improve your listening skills（技能）. 

Listen to the English radio.

One of the best ways to improve your English listening skills is to listen to the English radio on your mobile phone. 

●You should listen to the radio shows for more than 30 minutes a day. 

●Try to understand. Don't just let the English wash over you. If you find it too fast, try to pick out the key words to get a main idea of it. 

●You can also make notes when you hear some new words or phrases（短语）. Look them up in the dictionary and then listen to the show again. 

Watch English movies and TV shows.

Another fun way to improve your listening is to watch English movies and TV shows. 

●Try to choose films or TV shows that you will enjoy. This will make the listening more interesting. If you like the film or TV show, you may forget your job is to practise listening. You just enjoy it. 

●However, you should not watch movies or TV shows with Chinese. It will be difficult for you to focus on English. 

If you have any other questions, please send emails to us and we will give you the best answers.