LB3C2046锅炉受热面管道的长期过热爆管的破口外观特征怎样？ 发布时间：2017-10-20 05:54 │ 来源：www.tikuol.com 题型：问答题 简答题 问题： LB3C2046锅炉受热面管道的长期过热爆管的破口外观特征怎样？
题型：问答题 简答题 完形填空。 Mr. Smith 1 in a post office three years ago. When he was sixty, he retired. Now he and his wife stay at home and his children work in 2 city. The old man does all housework and he has nothing to do at home. He likes neither reading nor 3 games. At first he didn't know how to 4 the free time.Mr. Hunt 5 was two years older than him asked to go fishing with him. "It's a good sport," said Mr. Hunt. "I'm sure you'll soon be 6 in it." "That's easy. Go fishing with me tomorrow morning and I'll 7 you." Mr. Smith decided 8 his luck. The following day the two old friends came to a river and began to fish. Suddenly Mr. Smith said, "I say, 9 do those little red things cost?" "You mean the floats (浮子)? Oh, they're cheap. What made you ask me such a 10 ?" "I owe (欠) you for one. Mine has just sunk (下沉)."( )1. A. work ( )2. A. other ( )3. A. playing ( )4. A. spend ( )5. A. who ( )6. A. interesting ( )7. A. discover ( )8. A. trying ( )9. A. how many ( )10. A. problem B. worked B. the other B. play B. take B. which B. interested B. teach B. to try B. how far B. answer C. works C. another C. plays C. cost C. what C. interest C. follow C. tried C. how much C. question 查看答案
题型：问答题 简答题 某企业全年营业收入为140 000元，流动资产平均占用额为70 000元，若一年按360天计算，则该企业流动资产周转天数为（ ）A．30天B．60天C．90天 D．180天 查看答案
题型：问答题 简答题 H公司为一家集团性家电企业，其市场部希望了解华南市场上竞争对手的M公司和H公司同性能产品在用户当中的喜好程度是否一致，故随机抽取了12名消费者进行调查，调查前将产品相关品牌标识进行了清除.对于品牌的挑选次序是随机的，结果5人喜好H品牌，7人喜好M品牌.为分析出消费者更喜欢哪种品牌，以下何种分析方法最为适合？（）A.单比率检验B.双比率检验C.符号检验D.单样本T检验 查看答案