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C People do not analyze every problem they meet. Sometimes they try to remember a solution from the last time they had a similar problem. They often accept the opinions or ideas of other people. Other times they begin to act without thinking. They try to find a solution by trial and error. However, when all these methods fail, the person with a problem has to start analyzing. There are six stages in analyzing a problem. First the person must recognize that there is a problem. For example, Sam’s bicycle is broken, and he cannot read it to class as he usually does. Sam must see that there is a problem with his bicycle. Next the thinker must define the problem. Before Sam can repair his bicycle, he must find out the reason why it does not work. For instance, he must determine if the problem is with the gears, the brakes, or the frame. He must make his problem more specific. Now the person must look for information that will make the problem clearer and lead to possible solutions. For instance, suppose Sam decided that his bike does not work because there is something wrong with the gear wheels. At this time, he can look in his bicycle repair book and read about gears. He can talk to his friends at the bike shop. He can look at his gears carefully. After studying the problem, the person should have several suggestions for a possible solution. Take Sam as an illustration. His suggestions might be: put oil on the gear wheels; buy new gear wheels and replace the old ones; tighten or loosen the gear wheels. Eventually one suggestion seems to be the solution to the problem. Sometimes the final idea comes very suddenly because the thinker suddenly sees something new or sees something in a new way. Sam, for example, suddenly sees that there is a piece of chewing gum between the gear wheels. He immediately realizes the solution to his problem: he must clean the gear wheels. Finally the solution is tested. Sam cleans the gear wheels and finds that afterwards his bicycle works perfectly. In short , he has solved the problem. 51. What is the best title for this passage? A. Six Stages for Repairing Sam’s Bicycle B. Possible Ways to Problem-solving C. Necessities of Problem Analysis D. Suggestions for Analyzing a Problem 52. In analyzing a problem we should do all the following except                 . A. recognize and define the problem B. look for information to make the problem clearer C. have suggestions for a possible solution D. find a solution by trial or mistake 53. By referring to Sam’s broken bicycle, the author intends to _________. A. illustrate the ways to repair his bicycle B. discuss the problems of his bicycle C. tell us how to solve a problem D. show us how to analyze a problem 54. Which of the following is NOT true? A. People do not analyze the problem they meet. B. People often accept the opinions or ideas of other people. C. People may learn from their past experience. D. People can not solve some problems they meet. 55. As used in the last sentence, the phrase “in short” means _________. A. in the long run         B. in detail                   C. in a word                 D. in the end
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举一反三
【单选题】梁板式梯段由哪两部分组成()I、平台II、栏杆III、梯斜梁IV踏步板
A.
Ⅰ、Ⅲ
B.
Ⅲ、Ⅳ
C.
Ⅱ、Ⅳ
D.
Ⅰ、Ⅳ
【单选题】关于迎角的描述,不正确的是
A.
迎角英文简称AOA
B.
飞机的升力受迎角和翼型形状的影响
C.
迎角对飞机的受力及各方面性能都有直接影响
D.
民用飞机在飞行中,迎角有时是正迎角,有时是负迎角
【单选题】要产生 [100 , 200] 之 间的随机整数可以使用以下哪个表达式?
A.
100+(int)(Math.random()*101)
B.
(int)(100+Math.random()*101)
C.
(int)Math.random()*200
D.
100+(int)Math.random()*101
【单选题】关于迎角的描述,正确的是
A.
相对气流指向翼弦上方,迎角为正
B.
相对气流与前缘之间的夹角叫做迎角
C.
空气流过有一定正迎角的机翼,在机翼下表面,静压小
D.
空气流过有一定正迎角的机翼,在机翼上表面,流管变细
【判断题】RLC 串联电路发生谐振时,电路中的电流最大且与电压同相
A.
正确
B.
错误
【单选题】二级以二级以上的水泥混凝土路面施工前,应铺筑试验路段,试验路段长度不应低于()。
A.
200.0
B.
150.0
C.
100.0
D.
50.0
【多选题】迎宾员应熟悉餐厅和客人的各种情况。下列关于迎宾员引位描述正确的是()。
A.
着装华丽的客人应安排在风景优美的角落,不受打扰
B.
先到的客人应安排在靠窗口或靠门区域的餐位
C.
残疾的客人应安排靠门的位置,尽量挡住其残疾的部位
D.
带宠物的客人要告知不能进餐厅
【判断题】RLC 串联电路发生谐振时,电路中的电流最大且与电压反相。
A.
正确
B.
错误
【单选题】梁板式梯段由哪两部分组成( )? I、平台 II、栏杆 III、梯斜梁 IV、踏步板
A.
I、Ⅲ
B.
Ⅲ、Ⅳ
C.
II、IV
D.
I、Ⅳ
【单选题】关于迎角的描述,不正确的是
A.
迎角英文简称AOA
B.
飞机的升力受迎角和翼型形状的影响
C.
迎角对飞机的受力及各方面性能都有直接影响
D.
民用飞机在飞行中,迎角有时是正迎角,有时是负迎角
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