The following sentences are either not unified or falsely parallel ed . Identify the problem in each sentence, and put it down in the brackets. Write U for sentences lacking in unity and P for sentences with faulty parallelism, then improve the sentences . 1. T his is my favorite beer ,a nd E gyptians started to drink beer almost 5000 years ago . ( ) Revised: 2. My first English teacher stayed in Britain for five years, but she is a bad cook . ( ) Revised: 3. Taking a walk alone or to chat with a friend over the phone can greatly relax your tension . ( ) Revised: 4. China has a large population , and many people in the states like Chinese food . ( ) Revised: 5. Learning to speak English and how to use computers is important . ( ) Revised: 6. Practice like drawing eggs can lay a solid foundation for an artist , a nd D a V inci was also good at scientific invention . ( ) Revised: 7. If one wants to find a good job with fewer working hours and having a good salary, he must work hard at university . ( ) Revised: 8. I believe D r . Schmidt is your best choice . ( ) Revised: 9. For this paper, you must choose a topic that is both interesting and will help you in your course . ( ) Revised: