试题与答案

简述伯努利定律。

题型:问答题 简答题

题目:

简述伯努利定律。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:3;1

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题型:阅读理解

阅读理解
     Each year there is an increasing number of cars as millions of new cars are produced in America.
Americans will not live without cars! However, some have realized the serious problem of air pollution
by cars. It is necessary to find ways to solve the problem of air pollution.
     One way to clean the air is to build a new kind of clean car. That’s what several of the large car
factories are trying to do. But to build a clean car is easier said than done. Progress in this field has been
slow.
     Another way is to take the place of the car engine by something else. Engineers are now working on
it. Many makers believe that it will take years to develop a practical model for us.
     To prevent the world being polluted by cars, Americans have to make some changes in the way of
their life. They have to cut down on the number of their cars and are encouraged to travel and go to work by bike. But this change does not come easily. Many workers may find themselves without jobs if a car
factory closes down. And the problem of their pollution would become less important than that of
unemployment.       
     Americans may live a happy but sad life for a long time because of the car problem.
                                                Cars and Pollution in American  
Problem  
Methods
        3      
Conclution 
      1        Building a new kind of 2             
Cutting down on the number of cars  
Traveling and going to work by bike.
Progress in this field is slow.  
It takes years to develop a      4         
Many workers may lose their
jobs.
Americans may live a       5       life.
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题型:名词解释

应付债券

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题型:多项选择题

从社会知觉来说,直接影响导游人员与游客关系的知觉误区主要有()

A.导游人员初次给游客留下某种不好感觉所形成的第一印象

B.导游人员某一环节的劣质服务使游客产生的晕轮效应

C.导游人员未及时澄清游客对某类事或某类人的错误观念所形成的刻板印象

D.游客未受到导游人员应有的尊重所引起的期望效应

E.有的的要求未得到导游人员的满足所引起的过激反应

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