问题
填空题
在企业生产扩张的开始阶段，厂商由于（）而使经济效益提高，称为（）；当生产扩张到一定规模后，厂商继续（）会使经济效益下降，称为（）。
答案
参考答案：扩大生产规模；规模经济；扩大生产规模；规模不经济
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在企业生产扩张的开始阶段，厂商由于（）而使经济效益提高，称为（）；当生产扩张到一定规模后，厂商继续（）会使经济效益下降，称为（）。
参考答案：扩大生产规模；规模经济；扩大生产规模；规模不经济
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| That day was like any other day in his life. After school, Michael walked past the shoe shop in the street corner. He stopped to 1 the front row of shoes, and he felt sorry for himself. He 2 wanted to have a pair of shoes for his birthday. He walked away sadly. He knew mother would give him 3 if she could. But he also knew very well she 4 little money. He decided not to go home at once (马上), as he looked worried and his mother would notice (注意到) it. 5 he went to the park and sat down on the grass. Then he saw a boy in a wheelchair (轮椅). He noticed that the boy moved the wheels with his hands. Michael looked at him carefully and felt very 6 to see that the boy had no feet. He looked down at his own 7 . "It is 8 better to be without shoes than without feet." he thought. There was no 9 for him to feel so sad. He went away and 10 , thinking he was much luckier in his life. | ||||
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