In this section, there is a passage with ten blanks. You are required to select one word for each blank from a list of choices given in a word bank above the passage. Read the passage through carefully before making your choices. Dogs are social animals and without proper training, they will behave like wild animals. They will soil your house, destroy your belongings, bark [1] _________, fight other dogs and even bite you. Nearly all behavior problems are [2] _______ normal dog activities that occur at the wrong time or place or are directed at the wrong thing. The key to preventing or treating behavior problems is learning to teach the dog to [3] _______ its normal behavior to outlets that are acceptable in the [4] ________ setting. One of the best things you can do for your dog and yourself is to train it in obedience. Obedience training doesn’t solve all behavior problems, but it is the [5] _________ for solving just about any problem. Training pens up a line of communication between you and your dog. Effective communication is necessary to instruct your dog about what you want it to do. Training is also an easy way to [6] ________ the social rank order. When your dog obeys a simple request of “come here, sit,” it is showing obedience and respect for you. It is not necessary to establish yourself as top dog or leader of the pack ( 群 ) by using [7] _______ measures. You can teach your dog its subordinate ( 从属的 ) role by teaching it to show submission to you. Most dogs love [8] __________ tricks for you to [9] ________ accept that you are in charge. Training should be fun and rewarding for you and your dog. It can enrich your relationship and make living together more enjoyable. A well-trained dog is more confident and can more safely be [10] ______ a greater amount of freedom than an untrained animal.