ALife today has brought new problems. One of the biggest is pollution. Noise makes us talk more loudly and become angry more easily. Water pollution makes our rivers and lakes very dirty. Air pollution is the most serious kind of pollution. Both water pollution and air pollution are not only dangerous to our health, but also dangerous to animals and plants.Many countries are making new laws to fight pollution. Factories must now clean their water before they throw it away. They can not let out dirty smoke into the air, either. More and more cars are now using a new kind of fuel which does not pollute the air.Laws are not enough. We must all help. We can use paper bags, not plastic ones. We can keep old cans and plant flowers in them. Everybody must help to fight pollution to keep our country clean.根据短文内容，判断正误，正(T)、误(F)。1.Pollution is one of the biggest new problems of life today.2.Noise is not pollution.3.Factories do not let out dirty water to keep the rivers and lakes clean.4.---- We can do nothing about pollution, can we?------No,we can’t.5.We all want to keep our cities clean so we must all help to fight pollution.BPenguins live together, but each pair has a little piece of ground of their own. When a penguin wants to walk through its neighor’s ground, it must ask permission. If it does not do that, it will have to fight. Most of the time, penguins live on the water. They eat shellfish and look after their children carefully.All penguins are good parents---the male penguins are perhaps the best parents in the world. They walk in from the sea in the middle of the dark Antarctic water. They choose their wives in the dark. They can only hear them----not see...
