Practice: Change the following sentences by changing word form when possible. 1. It is advisable for older people to exercise regularly. 2. Having an active lifestyle can help prevent chronic diseases. 3. The main functions of computers are: receiving, displaying, and storing data. 4. Computers are important because they are accurate, fast and easy to use. 5. Bees have a number of ways to communicate such as; dance, vibrations, or sounds. Practice: Change the following sentences by using synonyms when possible. 1. Scientists use various methods when they prove or disprove a theory. 2. All organisms need food and energy to survive on the planet. English 162 Spring 22 3. it is estimated that over 22 million children are severely obese. 4. According to research, 64% of American adults consume coffee every day. 5. The primary global cause of death is heart disease.