Unit 13 We're trying to save the earth! 知识点题库

— So they are. But they still ________ too much.

—I love sports and I enjoyed the exciting moments.

    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.

Safe Travel Abroad

    Preparing to go traveling abroad can be really stressful, especially if you don't know what to expect. Here is a list of important things to remember, so you know exactly what you need to do before you take off.

    What vaccines(疫苗) do I need?

    Go to your doctor for advice as soon as you know you're going traveling. He will know what vaccines you will need and will be able to advise you on when you need to have them. Remember some vaccines need to be given months ahead, so make sure you book an appointment as early as possible.

    Do I need a visa(签证)?

    It's important that you have the correct official documents for traveling abroad. If you don't have the necessary paperwork, you might be refused entry. You'll need to check that your passport hasn't been out of date, either.

    How do I arrange travel insurance(保险)?

    Travel insurance is really important. It can protect you in different kinds of situations, such as if you need medical treatment or if your flights are canceled. I Travel insurance can be arranged easily online or over the phone, but you can always turn to your local travel agency. Travel agents will also be able to advise you on what you are insured against.

—Some books and a pencil-box.

    The environment in our city is becoming worse and worse. We can see rubbish everywhere. Even theof the river is full of rubbish. This turns our beautiful city into a(n)one. As a citizen, we should do something we can to help the environment. First, don'teverywhere. We should put rubbish into rubbish. In this way we can keep our city clean. Second, we shouldn'twaste paper. Instead, we should collect it so that it can be. When buying takeaway food, don't usebags or one-off chopsticks. It's a good way to help reduce rubbish. Third, we can save energy bythe lights when leaving the room., everyone can do something to make a difference.now!

    GreenHome campaigners (发起者) really love the nature world. In fact, we love it so much that we're determined (决心) to do our best to protect it.For that, we need money, too. GreenHome can be strong only with the support from people like you.

    If the joy of walking through the green forest, the excitement of climbing ancient rocks, or even the simple pleasure of watching wildlife in its own habitat (栖息地) really moves you, then share GreenHome's idea with the world. Please turn that idea into some support today.

    So take action right now! Even a very small amount, like $ 1 a month, will soon build up into a valuable contribution (贡献) to protecting the nature world we love so much.We'll also use it to develop ways to deal with environmental problems.

    Think about it in another way. If you want a future where you can continue to do the things you love in the great outdoors, you need to make sure you've got a great outdoors to do them in.And this way is simple enough—that's got to be worth $1 a month.

As we all know, the environment around us is getting worse and worse. In some places we can't see fish1in the river or trees on the hills. Some people even have no clean water to drink.

Recently, a new lifestyle called low carbon life is 2every corner of our country. The meaning of low carbon is3 energy and no waste. It is such an important project that I can't wait4my ideas on how to promote it.

First, we should5a no-car day every week in our school. Because cars not only cause serious air pollution but also waste energy. 6 the no-car day, neither students 7teachers are allowed to drive to school. At the same time, just walk or run. Use our8and enjoy the fun.

Second, we had better not use plastic bags9. No one can stand the" white pollution", 10it is wise to use cloth bags which can 11_again and again.

12, one thing 13 we should keep in mind is that every big thing comes from the small details. So, as students, we ought to turn14the lights the moment we leave, use 15 sides of the paper, and reuse our textbooks and so on.

All in all, it weighs greatly for all of us to put the low carbon lifestyle into practice. Just set our mind to these: no-car days, no plastic bags, and no waste. Let's do it now.