Scientists believe that the smart home may be the home of the future. These homes may be of different shapes and sizes. They may also float on the water. Scientists have designed the eco houseboat (1) _______ is a kind of house floating on the sea. However, the houseboat is stable (2) _______ doesn't rock heavily when there are big waves. It makes use of waves and solar energy to move it around and provide power. It also has solar panels on the top of the house to generate electricity. And it can recycle (3) _______ kinds of household waste.

A robot controls everything in the house and does the housework. In the kitchen, smart refrigerators and dishwashers can (4) _______ work by themselves. A smart oven can cook your favorite dishes. All these things and other (5) _______ will make our life much better.

Our environment is essential for all living beings on Earth. It provides the air we breathe, the water we drink, and the food we eat. However, in recent years, human activities have greatly affected the environment. Pollution is one of the biggest problems, caused by factories releasing harmful chemicals into the air and water. Additionally, deforestation, or the cutting down of trees, has led to the loss of habitats for many animals and plants. This not only threatens wildlife but also affects the balance of ecosystems. Climate change is another major issue. It occurs because of the increase in greenhouse gases like carbon dioxide, which trap heat in the atmosphere. This leads to rising temperatures, melting ice caps, and unpredictable weather patterns, such as more frequent and intense storms. If we do not take action, these problems could become worse, affecting not only nature but also our way of life. Future generations may face severe challenges if the environment continues to deteriorate. Fortunately, people around the world are working to protect the environment. Recycling, using renewable energy, and planting trees are just a few of the ways we can help. By making small changes in our daily lives, we can ensure a healthier planet for future generations.