某水果店1至6月份的销售情况(单位:千克)为450,440,420,480,58

题型:填空题

问题:

某水果店1至6月份的销售情况(单位:千克)为450,440,420,480,580,550,则这组数据的极差是______千克.

考点:极差
题型:填空题

下列选项中,不是提倡同业公平竞争,严禁从业人员从事不正当竞争行为的是()。

A.贬低其他机构、从业人员

B.以低于经营成本标准收取手续费

C.利用与有关组织的关系进行业务垄断

D.在投资者知情的情况下给介绍人返还佣金

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自我保健

题型:填空题

Loneliness is all about feeling isolated, but it's actually quite common. In general, there are three different types of loneliness.
The first kind of loneliness is temporary. It is the most common type but usually disappears quickly and does not require any special attention. The second kind, situational loneliness, is a natural result of a particular situation, such as, family problem, the death of a loved one, or moving to a new place. Although this kind of loneliness can cause physical problems, it usually does not last for more than a year. The third kind of loneliness is chronic (the opposite of “temporary”). Being the most severe, it usually lasts for more than two years and is often connected with serious illnesses.
An important factor in loneliness is a person’s social contacts. Through social contacts, we get emotional support and guidance from our parents and teachers and share similar interests and activities with our friends. However, some lonely people almost make no contacts with people around them and feel apart from those who they supposedly know well. They just see themselves as outsiders. On the other hand, some lonely people may have enough social contacts, but they rarely enjoy the contacts and question their popularity, thinking of themselves as someone powerless. So loneliness is closely related to the quality of those social relationship in addition to the quantity.
Loneliness is tough, but something can be done to cope with it. First, take time to accept that you are suffering from loneliness. Then, contact your old friends or visit relatives to spend quality time with others. Besides, pick up a hobby to reduce your feelings of loneliness, such as taking up needle work, joining craft classes, or attending lectures. You can also beat loneliness by volunteering at a nursing home, hospital, church or pet rescue organization. This not only helps you get in touch with people from all walks of life, but also makes you feel good about yourself. In a word, if you take a correct attitude towards loneliness and get involved with people around you, you are sure to get over it.
Loneliness
Loneliness is quite common.
Ⅰ.    1  
●Temporary loneliness: disappearing quickly and requiring    2  
●Situational loneliness: resulting from some particular situation,    3   and
lasting not more than one year
   4  : lasting more than two years and being connected with serious illnesses
Ⅱ. An important factor in loneliness:    5  
●Lack social relationship quantity: feeling disconnected with others
treating themselves as    6  
●Lack    7  : questioning their popularity
treating themselves as powerless people
Ⅲ.    8   for lonely people
●Face the problem and accept it
●Contact    9   for quality time
●Pick up hobbies
   10  
Taking a correct attitude and getting involved with others, people are sure to get over loneliness.
题型:填空题

中南半岛上的大城市主要分布在[ ]

A.河流沿岸和河口三角洲

B.平原地区

C.沿海地区

D.山区

题型:填空题

下列哪一原因不可能造成血液尿素含量增高()

A.急性重型肝炎

B.休克

C.慢性肾小球肾炎

D.泌 * * 严重梗阻

E.剧烈呕吐或腹泻

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