什么叫采煤工艺?有哪几种?

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问题:

什么叫采煤工艺?有哪几种?

考点:支护工考试支护工考试题库
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用文字表达式表示下面化学反应,并指出反应类型(填化合反应、分解反应)

A.硫在空气中燃烧______反应类型______

B.铁在氧气中燃烧______反应类型______

C.水通电分解______反应类型______

D.磷在空气燃烧______反应类型______.

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第二节读写任务(共1小题,满分25分)

阅读下面的短文,然后按照要求写一篇150词左右的英语短文。

假设你是某英文报社的编辑,收到某中学生读者的来信,信件内容如下:

Dear editor,

Recently, I was chosen as one of the two students by our school to compete in an English-speaking contest. I felt very excited and happy because I was given a precious chance to win honor for my school and to prove myself. In order to make sure that I could achieve the best in the competition, for almost two months, I had devoted myself to the preparation for the contest. With so much preparation, I was pretty confident that I would win! However, I was beaten by one of my school’s “weak” rivals (竞争者). When the result was announced, I could hardly believe my ears. Upset and disappointed, I burst into tears at that time. I felt as though I let my teachers down and even harmed our school’s reputation (名誉).I even felt that all my classmates were laughing at me behind my back . It seemed that my whole world had turned grey because of this failure .What can I do?

Echo

[写作内容]

写作任务:给该读者写一封回信,谈你对该事情的看法。

1. 用30个词概括读者来信的内容。

2. 针对信中所提到的困惑,发表你的意见,并论述具体理由以支持你的观点。此部分120词左右。

[写作要求]

1)你可以使用实例或其它论述方法支持你的论点,也可以参照阅读材料的内容,但不要抄袭阅读材料中的句子;

2)信中不能出现真实姓名和学校名称;文章可参照阅读材料的内容, 但不得直接引用原文中的句子;

3)题目自定。

[评分标准]  概括准确, 语言规范, 内容合适, 篇章连贯。

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男性,68岁,5年来有尿频及排尿困难。肛诊查前列腺Ⅲ。大,B超示双肾正常,残余尿200ml,BP160/100mmHg,无心肺疾病。理想的治疗方法是()

A.留置导尿

B.α受体阻滞剂

C.双睾丸切除,膀胱造瘘

D.前列腺 * * 留网状支架

E.前列腺切除术

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开放性伤口的止血包扎一般步骤

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柜台人员在办理阳光存贷合一卡密码挂失业务时,应调用的交易码为()。

A.5845

B.5840

C.7111

D.5499

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