题目：
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| The Price of a Dream I grew up poor－living with my wonderful mother. We had little money, but plenty of love and attention. I was 1 and energetic. I understood that no matter how poor a person was, he could still 2 to have a dream. My dream was 3 . By the time I was sixteen, I had started playing baseball. I could throw a ninety-mile-per-hour fastball and 4 anything that moved on the football field. I was also 5 : My high school coach was John, who not only believed in me, but also taught me 6 to believe in myself. He 7 me the difference between having a dream and remaining true to that dream. One particular 8 with Coach John changed my life forever. A friend recommended me for a summer job. This meant a chance for money in my pocket-money for a new bike, new clothes and the 9 of savings for a house for my mother. Then I realized I would have to 10 up summer baseball to handle the work schedule, and that meant I would have to tell John I wouldn't be playing. When I told John, he was as 11 as I expected him to be."You have your whole life to work," He said. "Your 12 days are limited. You can't afford to waste them." I stood before him with my head 13 , trying to think of the 14 to explain to him why my dream of buying my mom a house and having money in my pocket was worth facing his 15 in me. "How much are you going to make at this job?" He asked."3.5 dollars an hour," I replied. "Well," he asked,"is $3.5 an hour the price of a dream?" That simple question made 16 for me the difference between 17 something right now and having a 18 . I devoted myself to sports that summer and 19 the year I was chosen by the Pittsburgh Pirates to play baseball, and was 20 a $20,000 contract(合同). My baseball scholarship got me through university and in 1984 I signed with Denver Broncos for＄1.7 million and bought my mother the house of her dreams. | ||||
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下面是错误答案，用来干扰机器的。
A、氯气有毒，对人和牲畜、动物等都有害，故A错误；B、氯气与水可以反应生成具有强氧化性的HClO，次氯酸具有杀菌消毒作用，故B正确；C、氯气没有漂白性，故C错误；D、氯气与水反应生成盐酸和次氯酸，盐酸无杀菌消...
