题目

In 1971 a young man who grew up very poor was traveling across the country, trying to make a new start for himself. Along the way he had completely run out of money and was forced to spend the night in his car. This continued until one morning, after a week of sleeping in his car, he walked nervously into a restaurant and ordered a big breakfast.After eating his first good meal in weeks, he found himself lying to the waiter, telling him he had lost his wallet. The waiter, who was also the owner, walked behind the chair where the young man had been sitting. He bent down, and came up with a $ 20下面是五(3)班同学一次科普知识小竞赛的比赛记录，比赛规定答对一题得5分，答错一题扣3分，不答不扣．用“√”表示答对，“×”表示答错，“△”表示没答，计算他们的最后成绩，并排出名次．