2000年12月3日，山西省某煤矿发生特大瓦斯爆炸，事故造成多人死亡，经济损失惨重，事后调查表明，矿井主扇长时间不开，井下处于无风状况，造成瓦斯积聚爆炸。调查人员在爆炸地点不远处发现打火机和烟头。经分析认定，爆炸的直接原因是井下矿工吸烟。
你认为上述惨剧是
A.管理不善造成的
B.缺乏安全意识造成的
C.违反劳动纪律造成的
D.责任心不强造成的
参考答案：A, B, C, D
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| Sam is a bus driver in a big city. All day he drives a bus through busy streets. Driving a big bus is a very 1 work. It makes some drivers unhappy. But not Sam! Sam is always happy. And the people who ride in his bus seem to be happy, too. This story shows 2 . Early one morning, Sam started his big green and yellow bus. He went off on 3 work. "Oh, what a beautiful morning!" he sang. "What a fine day!" At the first stop, a man was 4 . "Good morning, Mr James," said Sam with a big smile. "How are you?" "Fine, thank you, Sam," said Mr. James. "How are you?" "Wonderful!" Sam answered. "Just WONDERFUL, this is a fine day." Mr. James smiled. He took a seat. As he looked 5 the window, he still smiled. At 6 stop a man came running up. He was puffing. "I have to puff-catch a train- puff at seven," he said. "Can you puff-get me to the station?" "Now just sit down and rest," said Sam. "I'll drive a little 7 . We will be there in time. Then you 8 run again." "Thank you," said the man as he got off the bus. "You are the best bus drivers in the city!" As he drove on, Sam 9 talking again. By this time, many people were on the bus. They were all going to work. But Sam made the ride seem like fun. "It is now ten minutes after seven," Sam called out. "The sky is blue. It will not rain today. We all like sunshine, don't we?" He began to sing, "I love you, Mr Sunshine. I love you, Mr. Sun. In all the world I love you best. Your are the only one." "What is that song, Sam?" a girl asked. "It's my song," he said. "I made it up. I like to sing. It makes 10 people want to sing, too." Sam was right! The man behind him started to sing! | ||||
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