下面密封中可做级间密封有()。A.填料密封和迷宫密封 B.机械密封和迷宫密封 C.油

题型:单项选择题

问题:

下面密封中可做级间密封有()。

A.填料密封和迷宫密封

B.机械密封和迷宫密封

C.油膜密封和干气密封

D.填料密封和干气密封

考点:合成氨装置操作工合成氨装置操作中级工合成氨装置操作中级工题库
题型:单项选择题

刑事违法性是指违反了《刑法》的规定。( )

题型:单项选择题

下列措施中哪一项不适宜采用

A.手术治疗,椎板开窗减压、髓核摘除

B.卧硬板床休息及药物治疗

C.骨盆牵引及理疗

D.封闭治疗(硬膜外注射类固醇药物)

E.硬膜外麻醉下推拿

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When I was 13, my bedroom walls were covered with posters of the Monkees and Beatles. I wrote fan letters and daydreamed about meeting the objects of my affections. I begged my  parents to attend every rock concert and watch every TV show featuring my favorite celebrities; my friends and I discussed for hours all the things we would say and do when we met our favourite movie stars and pop singers. I drove my mother crazy ! But after a few years, my obsession stars faded as I matured and gained the confidence to socialize with “real” boys.

In the 35 years since I was a teenager, celebrity worship (崇拜) has increased among teens due to the explosion of television celebrity gossip shows, and instant access to celebrity news on the Internet. It’s no wonder that many teens are obsessed with stars when news programs are often filled with entertainment stories and the lives of celebrities.

Celebrity worship syndrome (综合征) is now considered a personality disorder. While it is normal for teenagers to follow the lives of their favorite stars, parents should try to monitor everything their child finds interesting. Parents should take action if they suspect a teen is too obsessed with celebrities and showing little interest in school or withdrawing from the family.  When teens talk a lot about celebrities and view them as just means of entertainment, this is considered normal celebrity worship. However, when a teenager is obsessed with a star and  often expresses a desire to have a close personal relationship with a celebrity or feels they have a special connection to a star, this may be the time for concern. Recent studies have shown that teens who develop an unhealthy obsession with celebrities often suffer from low self confidence and depression. Teens who are overly obsessed with stars often have damaged relationships with their parents.

小题1:The first paragraph is intended to tell us________.

A.parents needn’t worry about celebrity worship

B.celebrity worship can cause serious problems

C.it’s normal for a teen to have celebrity worship

D.celebrity worship only exists among teens小题2:We can learn from the second paragraph that________.

A.the media greatly contributes to celebrity worship today

B.the author is surprised at celebrity worship

C.teens today are not so obsessed with celebrities

D.celebrities expose their lives too much小题3:Parents should become concerned when their children________.

A.talk a lot about celebrities with others

B.put up celebrity posters in their bedrooms

C.ask to go to their favourite star’s concert

D.desire a close personal relationship with their favorite star小题4:The last paragraph implies that________.

A.parents should not care too much about a child’s celebrity worship

B.celebrity worship syndrome can be a serious problem if left overlooked

C.children can normally get out of celebrity worship when they are older

D.children with celebrity worship usually have high opinion of themselves小题5:What is most likely to be talked about in the paragraph following the passage?

A.The harm of celebrity worship syndrome.

B.More signs of celebrity worship syndrome.

C.What to do with children’s celebrity worship syndrome.

D.Who will suffer most from celebrity worship syndrome.

题型:单项选择题

氯化喹啉可以杀灭红细胞内各发育阶段的疟原虫,从而控制各型疟疾症状的作用。

题型:单项选择题

在起重吊装中,选择设备吊点的主要依据是设备的()。

A、重量

B、重心

C、外形尺寸

D、材料

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