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Having a great collection of books at home doesn’t really mean that you are a person who has a passion for literature and reading. It can be a family inheritance or it can be just to impress people around you by the fact that you are a person of culture. On the other hand, there are many persons who cannot afford to buy books, because some of them are quite expensive, but who usually go to libraries and spend hours reading something that interests them a lot, or just borrow books to home. From my point of view, literature is very important in our life. For example, reading is a means of gaining culture and enriching our knowledge in different areas. It can help us have a great imagination and it makes things easier when it comes to make compositions on different themes. It gives you the possibility to speak about science, even if you don’t work in this domain, or you can express your opinion about a political aspect, just because you have read something connected to that. Secondly, literature offers us the possibility to enter the world of imagination, and to leave the real one for a couple of hours. We come to meet kings and queens many years ago, dream of being in the world of the rich or imagine how life will be in the future. Sometimes, we identify ourselves with the characters in the stories we read and they can give us some clues to solve our problems and how to react in certain circumstances. In conclusion, I would like to say that literature is the perfect means to enrich our culture, to express ourselves correctly, to have a rich vocabulary, to be able to interfere in conversations in different fields of interest and to really be considered an erudite person. 小题1:People who are fond of literature are those that ________ . A.have much interest in reading B.keep many books C.go to libraries every day D.buy expensive books in the bookstore 小题2:According to the author we can broaden our knowledge by ________ . A.composing B.imagining C.communicating D.reading 小题3:We can know from the third paragraph that ___________ . A.we can bring kings and queens back to life B.it is very good for us to stay alone for some hours C.what we read can be useful in our daily life D.we can make friends with people in the stories 小题4:The underline word “erudite” in Paragraph 4 probably means “ _______”. A.learned B.enthusiastic C.smart D.creative 小题5:What is the author’s purpose by writing the passage? A.To share his own reading experience. B.To distinguish the true readers. C.To attract people to literature. D.To stress the importance of imagination.
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【单选题】我国《劳动合同法》中规定了集体合同。集体合同是指企业职工一方与用人单位就劳动报酬、工作时间、休息休假、劳动安全卫生、保险福利等事项,通过平等协商达成的书面协议。下列关于集体合同的表述哪项是错误的?( )
A.
未建立工会的企业,集体合同应由职工推举的代表与企业签订
B.
劳动合同中的劳动条件和劳动报酬标准可以高于集体合同的规定
C.
并非所有的企业都必须签订集体合同
D.
集体合同经双方在合同文本上签字或者盖章生效
【判断题】未签订书面劳动合同,用人单位和劳动者间就不存在劳动关系。( )
A.
正确
B.
错误
【多选题】关于随机变量方差,正确的是( )
A.
方差反映了随机变量的取值与其数学期望的偏离程度
B.
设X是一个随机变量,若E[X-E(X)] 2 存在,则称E[X-E(X)] 2 为X的方差,记为D(X)
C.
若X取值比较集中,则
D.
(X)较小,反之,若X取值比较分散,则D(X)较大。 D一般地 D(X)=E(X 2 ) –[E(X)] 2
E.
设随机变量X与Y的方差存在,则D(X±Y)=D(X)+D(Y)
【简答题】若一维随机变量x的取值区间是(0,∞),其概率密度函数 ,其中:x≥0,则X的数学期望为______,X的信源熵h(X)=______;若X的取值区间是(-∞,∞),则X的信源熵h(X)=log2em。
【简答题】传动系统的作用是什么?
【简答题】CA6140型车床车螺纹传动系统的作用是什么?
【单选题】根据案例背景,回答 7~9 题。 职工王某原在一家建筑公司工作并与公司订了为期5年的劳动合同。在合同期内,王某以收入偏低为由,口头提出解除劳动合同,公司未予答复。过了32天,王某就被一家房地产公司招用,又与该公司签订了劳动合同。王某走后,建筑公司生产受到影响,要求王某回公司上班。同时,与王某所在的房地产公司联系,希望让王某回公司上班,但房地产公司以已签订劳动合同为由,不予放人。于是建筑公司向当地劳...
A.
劳动合同解除,因为提前30日通知了用人单位
B.
劳动合同未解除,因为建筑公司没有同意
C.
劳动合同解除,因为收入偏低,劳动者可以随时解除劳动合同
D.
劳动合同未解除,因为任何一方提出解除劳动合同,都应当提前30日以书面形式通知对方
【简答题】传动系统的作用是什么
【简答题】液压传动系统与电器控制系统的作用是什么?
【简答题】风电机组的传动系统的作用是什么?它由哪几部分组成?
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