题目

根据课文内容，从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余项。     A dog is known as man's best friend because it can enrich its owner's life in many ways.      Many teenagers suffer from periods of no self-confidence as they try to deal with adolescence(青春期) .     A teenager without self-confidence may be unable to tell his parents about problems. With a dog around, it can be a huge comfort. A dog offers its unconditional love.     All dogs need exercise, so taking his dog for a walk is the perfect opportunity for a teenager to get outdoors and enjoy fresh air and physical activity. Exercise allows people to take control of their bodies, which is good for their life.Exercise releases chemicals which improve self-confidence.     Dogs can help teenagers make new friends.A dog is a great ice­breaker, making the teenager feel comfortable with people he meets. The more confident they becomes when out and about with his dog，the more his self-confidence will improve.     If a teenager is developing dangerous habits such as drinking, more action may be required. In these cases professional help should be sought. Parents should ask a health professional (专业人士) for advice if they believe there's a sign of a far more serious problem. A. Pets offer an unconditional love that can be very helpful. B. You don't have to worry about hurting your pet's feelings. C. It simply accepts its owner for who he is and doesn't judge or question. D. particularly, someone without self-confidence may find a pet dog helpful. E. A teen may meet someone of the same age while walking his dog in the park. F. In some cases, having a dog will not help improve a teenager's self-confidence. G. Many forms of exercise besides walking can be enjoyed with a dog, such as cycling. 答案：【1】D【2】C【3】G【4】E【5】F

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