下列现象中,属于增大压强的是 [ ] ①载重量大的汽车装有许多车轮; ②压路机上

题型:选择题

问题:

下列现象中,属于增大压强的是   [ ]

①载重量大的汽车装有许多车轮;

②压路机上碾子的质量很大;

③短道速滑运动员的冰鞋上装有冰刀;

④房屋建在承受面积更大的地基上。

A.①②

B.②③

C.③④

D.①④

考点:增大和减少压强的办法
题型:选择题

孙某,男,29岁,职业是钢铁工人,负责钢铁氰化淬火。一日自感口中有苦杏仁味,口唇及咽部麻痹,有恶心呕吐、乏力、眩晕、耳鸣、胸闷、心悸、头痛症状,呼气带有明显的苦杏仁味。急来医院就诊。

初步判断患者为()

A.氰化物中毒,前驱期

B.氰化物中毒,呼吸困难期

C.氰化物中毒,痉挛期

D.氰化物中毒,麻痹期

E.一氧化碳中毒

题型:选择题

小王从农贸市场买来一条金鱼,没过几天鱼就死了,下列最有可能导致金鱼死亡的原因是()。

A.用河水养金鱼,每天为鱼换水

B.把鱼缸放在窗台上,让鱼晒太阳

C.在鱼缸里放入一些石头、水草,和金鱼做朋友

D.从自来水管接水后,直接倒入鱼缸

题型:选择题

银行必须对外部数据配合采用( ),求出严重风险事件下的风险暴露。

A.事后检验

B.敏感分析

C.情景分析

D.压力测试

题型:选择题
     Many  people  need  guidance  in  choosing  a  career (职业 ) . Fortunately, there is much
information on the Web about job opportunities (机会). With  all  the  information  available, it's not
surprising that people can feel confused. So if you're ready to start your first job or change careers,
where do you begin?  
     The Occupation Handbook is a good resource. Regularly updated,the Handbook is available as a
book and on-line. Not only is information provided about the United States as a whole, but readers can
easily search for information about their particular state. You can read about the fastest-growing
occupations in the area where you live and find out what they are like. You can also learn how to apply
for jobs.     
     Take, for example, Nadia's situation. Nadia was a doctor's assistant in lran, and her goal in the
United States is to become a nurse. However, she needs to work while she is studying nursing. She is
interested in becoming a medical assistant to help work her way through college. When going on-line to
the Handbook and searching under " medical assistant", Nadia is happy to read that this is expected to
be one of the fastest-growing careers through 2010.Besides, job opportunities are even better for people
with experience. She discovers that medical assistants not only have to do some office work, but have
medical responsibilities as well. Nadia decides this job will be interesting and will also provide excellent
experience for her nursing career.    
     The Occupation Handbook is just an example of websites that can help you plan a new career. When
you have found information about some different careers, you will be ready to talk to career advisers.
Choosing your future career is an extremely important decision. It's worth taking the time and finding as
much information as you can.
 
                TitleFinding Information on the ____l____ for
Tomorrow's Job.
          Introduction ◇There is a lot of job information on- line.
but too much of it may sometimes be       2        .
    Facts of the Handbook ◇The information is updated in a        3        manner.
◇Its vast resources include ways of job         4          .
              Nadia's         5     ◇She wants to become a nurse in the United States.
◇She needs to work to make        6       for her college study.
◇Her previous        7        may help her get the job. 
◇If she's a medical assistant, she'II also take medical        8          .
            Conclusion ◇Find some information on-line before         9       career advisers.
◇The time you spend and the efforts you make will be       10       .
题型:选择题

一般来讲,厌氧微生物要求碳氮磷比为()。

A、100:6:1

B、100:5:0.5

C、100:6:0.5

D、100:5:1

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