滑动轴承轴承磨损小,互换性好,有利于维修。

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问题:

滑动轴承轴承磨损小,互换性好,有利于维修。

考点:集控值班员考试汽机运行汽机运行题库
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国家标准规定,滚动轴承代号由前、中、后三段组成。

题型:判断题
Choose the best answer. (根据短文内容,选择最恰当的答案。)
       Stress (压力) is everywhere in our everyday life. Not only men have it, but also women and young
people.
       The most important reasons of stress are: death, diseases, exams, making money, getting married,
moving houses, changing jobs, ending friendships and so on …
        How do you know whether you have stress? Could you give your answers to the following
questions?
      Yes      No
Do you easily get angry?
Do you often sleep badly?
Do you get headaches a lot?
Do you take sleeping pills?
Do you find it difficult to relax?
Do you usually hide your feelings?
Do you smoke and drink a lot to keep quiet?
Do you find it difficult to put your heart into something?                              
       If you answer "Yes" to more than two of these questions, you are one of those people with stress. So
what can you do about it? 
       Doing relaxing exercises, talking with friends and listening to light music are all usual ways of relieving
(减轻) stress. However, doctors now say that there are easier ways-people should laugh and smile more often.
When you laugh and smile, your body relaxes. They also say that people, especially men, should ______ more
often, because crying is the natural way of relieving stress.
1. Who has got stress in his everyday life?
[ ]
A. Men.
B. Women.
C. Young people.
D. All the above.
2. If you have over             problems listed in the table, you are the person with stress.
[ ]
A. two
B. three
C. five
D. eight
3. Which of the followings is NOT the reason of stress?
[ ] 
A. Taking exams.
B. Changing jobs.
C. Taking sleeping pills.
D. Making money.
4. According to the passage, which of the followings is true?
[ ]
A. Women and young people never have stress.
B. Stress is everywhere in our everyday life.
C. People who answer "No" to all of the questions have great stress.
D. People who answer "Yes" to more than two of the questions have no stress.
5. What's the easier way to relax your body?
[ ]
A. Talking with friends.
B. Listening to light music.
C. Doing relaxing exercises.
D. Laughing, smiling and crying.
6. "______" in the passage should be the "word"            .
[ ]
A. smile
B. laugh
C. cry
D. smoke
7. The main idea of the passage is             .
[ ]
A. about stress and how to relieve your stress
B. that there are many reasons for having stress
C. that laughing and smiling more can help relieve your stress
D. that doing the Stress Test is a good way to help you to live a better life
题型:判断题

下面有关基因、蛋白质和性状三者间关系的叙述中,错误的是:[ ]

A.基因型相同,表现型一定相同

B.表现型相同,基因型不一定相同

C.生物体内的蛋白质在基因的指导下合成

D.蛋白质的结构可以直接影响生物的性状

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刘某,女,41岁。1999年3月21日就诊。主诉:腹胀痛、便秘1个月,患者发病的1个月来,因工作不顺,出现胸胁疼痛,纳呆,嗳气频作。用单方小茴香、藿香等煎汤内服后,上症稍减,但时作便秘,每于排便时,腹中胀痛而欲便不得,或矢气频转而粪便难出,粪质或干或溏,或先干后溏。检查:舌苔薄腻,脉弦。

该病的中医治法是()

A.理气行滞

B.泻热通腹

C.温通开秘

D.益气养血润燥

E.以上都不是

题型:判断题

2010年南非世界杯是第几届世界杯()

A.18

B.19

C.20

D.21

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