某航线从起始港至目的港的总货流量即去向总货流量为10000TEU，目的港至起始港即回向总货流量为20000TEU时，则该航线货流方向不平衡系数为( )。
A．0.5
B．1.5
C．2
D．3
参考答案：B
解析： 方向不平衡系数等于两个方向总货流量与正向货流量的比值，则该航线货流方向不平衡系数为：(10000+20000)/20000=1.5。
Jim, a successful businessman, told the experience of his childhood. When he was 12, his parents 1 . He was alone and didn’t get on well with others. People always laughed 2 him. No one showed kindness (友善) to him. His only friend was a dog named Tige. One day as he walked down the street, a young lady was walking in front of him. Suddenly one of her bags dropped from her arms. As she stopped 3 , she dropped other bags. He came to help her.“Thank you, dear! You are a nice little boy!”She said kindly, smiling. A special feeling came to him. These were 4 kind words he had ever heard. He watched her 5 she went far away, and he whistled（吹口哨）to his dog and went directly to the river nearby. “Thank you, dear! You are a nice little boy!”he repeated the woman’s words. Then in a low 6 he said to his dog,“You are a nice little dog!”Tige raised 7 ears as if（似乎）it understood. “Uhum! Even a dog likes it!”he said,“Well, Tige, I won’t say unkind words to you any more.”Tige waved its tail happily. The boy thought and thought. Finally he looked at himself in the river. He saw 8 but a dirty boy. He washed his face 9 . Again he looked. He saw a clean nice boy. He was amazed (震惊). From then on, he had a new life. After telling this, the businessman stopped for a while, and then he said,“Ladies and gentlemen, this is the very place where that kind woman planted in me the first seed (种子) of kindness. All of us should learn about kindness. 10 a great power it has!” If you show kindness to others, you will be an able man.
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