由点火至升温到150℃升压到0.49Mpa,需要的时间和锅炉应进行的操作?

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问题:

由点火至升温到150℃升压到0.49Mpa,需要的时间和锅炉应进行的操作?

考点:集控值班员考试锅炉运行锅炉运行题库
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患者,女性,26岁,妊娠2个月余,因头痛、头晕,伴乏力1周入院。既往有反复咽炎及扁桃体炎史,6年前曾出现"血尿"。父母均有高血压病病史。入院查体:轻度贫血貌。BP165/100mmHg,P96次/分,双肺未见异常,心界不大,律齐,心尖部闻及3/6级收缩期吹风样杂音,肝脾未及,双下肢可凹性水肿(±)。

引起该患者出现高血压的原因最可能是()。

A.特发性高血压

B.妊高征

C.肾实质性疾病所致

D.血管硬化所致

E.内分泌性疾病所致

题型:问答题 简答题

阅读短文,根据要求完成下面各小题。

Wang Ruonan is a 17-year-old Beijinger. Huang Yuying is a Junior 1 middle school student living in Beichuan, Sichuan. The two girls are good friends. Their friendship started from a schoolbag.

In 2009 Wang’s father told her about a project by the China Foundation for Poverty Alleviation (中国扶贫基金会) called “The Schoolbag of Love”. It is about donating schoolbags to kids in poor areas.

You can spend 100 yuan to buy a schoolbag full of school supplies (用品) at the post office. Then the workers there give you a list of kids in poor areas. You choose one of them to send your schoolbag to. After the kid gets the bag, he or she will mail a return postcard to you.

Wang thought it was a very good idea and she acted quickly. She chose to send the bag to Huang. Two weeks later, she got a postcard back from Huang.83. The two soon became good friends, sending messages and making phone calls to each other.

One thing affected (影响) Wang deeply after she made friends with Huang.

“It was 2:00 or 3:00 in the morning. I suddenly got her message telling me a small earthquake hit her place. Their house was shaking and they couldn’t sleep.”

Wang said she was moved because in panic (惊慌) Huang sent a message to her, meaning the girl saw her as a true friend.

84.Warmed by the friendship, Wang donated a second “schoolbag of love” to a girl in Xinyang, Henan last month. She also became a volunteer to introduce the schoolbag project to other communities (社区) in Beijing. “I like the project because I can get to know the people I help and make friends with them,” said Wang. “A  full schoolbag is also practical (实际的) help for students.”

根据短文内容简要回答问题。

小题1:Where is Huang Yuying from?

_____________________________________________________

小题2:How much does a schoolbag full of school supplies cost?

______________________________________________________

(二)将短文中的划线句子译成汉语。

小题3:___________________________________________________

小题4:___________________________________________________

(三)请给短文拟一个适当的标题。

小题5:__________________________________________________

题型:问答题 简答题

自来水厂的净化过程可表示为:取水→加明矾沉降→过滤→吸附→消毒→配水.其中属于化学变化的是(  )

A.取水

B.过滤

C.吸附

D.消毒

题型:问答题 简答题

刘湛秋

  南国的雪,我们分离得太久了。  

       那微带甜味的湿润,那使人快活的冷气,那彩色梦幻的飞旋,伴着我少年的轻狂,再也无法追寻。  没有暖气也没有炉子的小屋,铁一样寒冷的硬被子,都无法阻挡对雪的渴望,只要睁眼看见屋外白花花的光亮,那就像涌进来一股暖流,勾起难以抑制的温暖的心情。  

       雪,南国的松软美丽的雪啊!  

       它纷纷扬扬,比春天一树树的梨花还要美。这时,北风变得柔和了,吹着它,上下翻飞,轻轻地降落,使人能看清那六角的菱形,看到一个美丽的童话世界。  

       不知它是想依恋天空,还是想委身大地。它忽上忽下,是那样的轻盈而自由啊!忽然,它落进了我的颈脖,像个小绒毛,却又摸不到它,产生了甜甜的微痒。我伸出手来,它会安静地落到我的掌心,在我的钟情的眼睛里,慢慢地消失了它的身影。有时候,真愿意伸出舌头,希望能接到一片雪花,那淘气的愉快里绽开了多少天真的梦。 雪,南国的松软美丽的雪啊!  

       忽然,我像一下子变成熟了,往往放弃堆雪人、打雪仗的乐趣,却愿意宁静地默默地走去,翻过废弃的铁路线,来到郊外,默视着广袤的天空和田野。所有的污秽和荒凉全遮掩了,只有雪,白花花的、纯净的雪。这大自然创造的最精美的白色拥抱了田野、山岗、房屋和树林。偶尔由于风的吹动,越冬的树和菜斑斑点点闪着一点新绿。  

       这时,眼睛和心变得多么亮,多么舒展。美丽的维纳斯仿佛就在你的身边,对着你微笑。所有的幻想都会脱颖而出,飞向雪的地平线,开出白色的花朵。  

       雪,南国的松软美丽的雪啊!我们分离得太久了,也许我还能追寻那没有污染的洁白,幼稚却纯真的梦幻,和那寒冷中的温暖?

1.选文中能够概括南国雪的特点的一个短语是______________________。

2.鲁迅的散文《雪》中透露出盎然的生机,孕育着生命,这在上面的选文中也有体现请你找出这样的句子来。

                                                                                                                                                              

3.“这时,眼睛和心变得多么亮,多么舒展”的原因是什么?

                                                                                                                                                              

4.作者通过描写雪表达了怎样的感情?

                                                                                                                                                               

题型:问答题 简答题

干奶的方法。

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