1 . We have spent thousands of years fighting for our survival. Yet now we have ____ that our planet is under threat. It’s time we woke up to the problems and started repairing the damage.  

One of the major problems is the destruction of the rainforests in South America. They are ____ to half the world’s species and to millions of people. Moreover, the rain forests ____ the air by taking in carbon dioxide and giving out oxygen. The trees are being cut down for paper or to make room for cattle farms. So birds and animals ____ their homes and die. This destruction is also bringing about changes in the climate, air pollution and flooding. If we ____ to burn and cut down the rainforests as we are doing now, the earth will ____ restore (复原).  

Another big ____ is water pollution. Factories are polluting our rivers and lakes with dangerous chemicals. Tons of waste is poured into our seas. ____, sea life is in danger.  

____ pollution is another important issue. The cars and factories in and around our cities are giving off ____ gases. In the past few years, more and more people than ever before have breathing problems. If we don’t do something now, our cities will become ____ to live in.  

____, it is not too late to solve these problems. We have the time, the money and even the technology to prepare the way for a better, cleaner and ____ future. We can plant trees and build parks for the species in danger. We can put pressure on those in power to ____.   Together we can save our planet. All we need to do is open our eyes and act______.

4 . Angela never liked seeing plastic waste washed up on the shore near her home. She had been_______ to call on her community to clean it up, to change the _______, so she tried to set up an organization called Washed Ashore: Art to Save the Sea. Her_______ proved quite a success.

Here's how it _______.Volunteers help clean up 300 miles of shoreline. Then, _______ only plastics from the beach cleanup, Angela and many other volunteers create sculptures of sea _______·She explains, "I mean to create sculptures that make people take a look and _______: 'How can there be this much waste on the beach?' _______ these sculptures will make people consider what they have _______ in their daily life and realize how so much plastic ends up in the oceans." So far, about 10,000 ________volunteers have collected 21 tons of waste and helped create more than 70 works of art. Four traveling ________ have demonstrated the art works in 18 places of the country. One of the sculptures, Turtle Ocean, received a ________ honor. It was admitted into the National Museum.

The Washed Ashore team is now working on sculpture of a dolphin, with ________ for more sculptures.“Until we ________ plastic on the beach, the work will continue. These sculptures are a(n)________for clean oceans. ” Angela says seriously.

The Paris agreement to fight climate change became international law Friday. The landmark deal aims to deal with global warming among growing _____ that the world is becoming hotter even faster than scientists expected.

So far, 96 countries, accounting for just over two-thirds of the world’s greenhouse gas emissions, have formally joined the agreement, which ______ to limit global warming this century to 2 degrees Celsius (3.6 degrees Fahrenheit) above what it was before machines and _____ appeared in the late 1700s. The United States ______ entered into the agreement in September, and more countries are expected to come aboard in the coming weeks and months.

United Nations Secretary General Ban-Ki Moon celebrated the event, talking with nongovernmental groups at U.N. headquarters in New York to hear their concerns and _____ for the future.

“This is an emotional moment for me. It is a credit to all of you. And it is ______ for the world,” Ban said in his opening remarks.

He praised the ______ for getting hundreds of millions of people to back fighting climate change but _____ the outcome remained uncertain.

“We are still in a race ______ time. We need to move on to a low-emission and climate-sustainable future,” Ban added.

Scientists praised the speed at which the agreement, signed by 192 parties last December in Paris, has come into force, saying it shows a new commitment by the international community to _____ a problem that is melting polar ice caps, sending sea levels ______and transforming vast areas into desert.

“______ the real effect of the agreement after it goes into effect is still uncertain, it is a simple sign that the international society is much more open to alter economic and political behavior to control climate change, which is ______ positive,” said Feng Qi, executive director of the School of Environmental and Sustainability Sciences at Kean University in New Jersey.

Scientists and ______ say the agreement is the first step of a much longer and complicated process of reducing the use of fossil fuels, which currently   ______ the majority of the planet’s energy needs and also are the primary drivers of global warming.

6 . In our modern world, when something wears out, we throw it away and buy a new one. The _______ is that countries around the world have growing mountains of _______ because people are throwing out more rubbish than ever before.

How did we _______ a throwaway society? First of all, it is now easier to _______ an object than to spend time and money to repair it. _______ modern manufacturing (制造业)and technology, companies are able to produce products quickly and inexpensively. Products are plentiful and _______.

Another cause is our _______of disposable (一次性的) products. As _______ people, we are always looking for _______ to save time and make our lives easier. Companies ________ thousands of different kinds of disposable products: paper plates, plastic cups, and cameras, to name a few.

Our appetite for new products also ________ to the problem. We are ________ buying new things. Advertisements persuade us that ________ is better and that we will be happier with the latest products. The result is that we ________ useful possessions to make room for new ones.

All around the world, we can see the ________ of this throwaway lifestyle. Mountains of rubbish just keep getting bigger. To ________ the amount of rubbish and to protect the ________, more governments are requiring people to recycle materials. ________, this is not enough to solve (解决) our problem.

Maybe there is another way out. We need to repair our possessions ________ throwing them away. We also need to rethink our attitudes about ________. Repairing our possessions and changing our spending habits may be the best way to reduce the amount of rubbish and take care of our environment.