阅读下面短文，把A～E五个句子填人文中空缺处(1-4)，使短文内容完整。 Plants are very important. 1. But animals and man can't make food from air, water and sunlight. Animals can get their food by eating plants and other animals. 2. So animals and man need plants in order to live. This is why there are so many plants around us. 3. f1owering plants and non-flowering plants. Almost all the trees around us are flowering plants. You can know some trees from their flowers and fruits. Non-flowering plants do not grow flowers. You can not see many non-flowering plants around you. If you look carefully at the plants around you, you will find that there are many kinds of plants. Some plants are large and some are small. 4. A. But anyhow without the plants around us we can't live on the earth. B. Man gets his food by eating plants and animals, too. C. This is because plants can make food from air, water and sunlight. D. There are two kinds of plants. E. Plants are very important for us and animals.