PLEASE HELP! Click on ,begin emphasis,all,end emphasis, the underlined words or phrases that show the passage uses a comparison and contrast structure.Choosing a pet can be difficult. First, you must decide if you want big or small pet. Some people might say you can't go wrong with a large dog. yet, others might say small pets such as rabbits or hamsters are the best. Unlike a large dog, a rabbit can be easily taken to the vet or a friend's house. It is important that you listen other's opinion. But you should decide which is vest for you. the underlined words are First, can't, unlike, and important.