谈谈在生活和生产中使用硬水会带来哪些麻烦?用什么实验可检验硬水和软水?可通过什么

题型:问答题

问题:

谈谈在生活和生产中使用硬水会带来哪些麻烦?用什么实验可检验硬水和软水?可通过什么方法将硬水软化?

考点:硬水和软水物质的鉴别物质的推断
题型:问答题

《在纪念辛亥革命100周年大会上的讲话》:“中 * * 党人是孙中山先生开创的革命事业最坚定的支持者、最亲密的合作者、最忠实的继承者,不断实现和发展了孙中山先生和辛亥革命先驱的伟大抱负。”以下能说明这一观点的是(    )

①推翻帝国主义势力,取得民族独立;②建立新民主主义 * * ,保障民主权利;

③确立社会主义制度,实现民生幸福;④扫除现代化发展障碍,迈向民族振兴;

A.①②③

B.①②④

C.②③④

D.①②③④

题型:问答题
分式
1
x
1
x+1
x-1
x2+2x+1
的公分母为______.
题型:问答题

阅读理解。

     Arthur Miller (1915-2005) is universally recognized as one of the greatest dramatists of the 20th century.

Miller's father had moved to the USA from Austria Hungary, drawn like so many others by the "Great American

Dream". However, he experienced severe financial hardship when his family business was ruined in the Great

Depression of the early l930s.

     Miller's most famous play, Death of a Salesman, is a powerful attack on the American system, with its

aggressive way of doing business and its insistence on money and social status as indicators of worth. In

Willy Loman, the hero of the play, we see a man who has got into trouble with his worth. Willy is "burnt out"

and in the cruel world of business there is no room for sentiment: if he can't do the work, then he is no good

to his employer, the Wagner Company, and he must go. Willy is painfully aware of this, and at loss as to what

to do with his lack of success. He refuses to face the fact that he has failed and kills himself in the end.

     When it was first staged in 1949, the play was greeted with enthusiastic reviews, and it won the Tony

Award for Best Play, the New York Drama Critics Circle Award, and the Pulitzer Prize for Drama. It was the

first play to win all three of these major awards.

     Miller died of heart failure at his home in Roxbury, Connecticut, on the evening of February 10, 2005, the

56th anniversary of the first performance of Death of a Salesman on Broadway.

1. Why did Arthur Miller's father move to the USA?

A. He suffered from severe hunger in his home country.

B. He was attracted by the"Great American Dream.

C. He hoped to make his son a dramatist.

D. His family business failed.

2. The play Death of a Salesman _____.

A. exposes the cruelty of the American business world

B. discusses the ways to get promoted in a company

C. talks about the business career of Arthur Miller

D. focuses on the skills in doing business

3. What can we learn about Willy Loman?

A. He treats his employer badly.

B. He runs the Wagner Company.

C. He is a victim of the American system.

D. He is regarded as a hero by his colleagues.

4. After it was first staged, Death of a Salesman _____.

A. achieved huge success

B. won the first Tony Award

C. was warmly welcomed by salesmen

D. was severely attacked by dramatists

5. What is the text mainly about?

A. Arthur Miller and his family.

B. The awards Arthur Miller won.

C. The hardship Arthur Miller experienced.

D. Arthur Miller and his best-known play.

题型:问答题

设当前的DS=D200H,SI=2E00H,取数据又是从具体的()存储单元获得的。

A.D2E00H

B.2E00H

C.D4E00H

D.D2000H

题型:问答题

甲公司紧挨着城市主干道,南大门旁边就是很多路公交车的车站。甲公司的院墙长方形,院墙外围是一条公路,但是比较狭窄,且年久失修。乙公司坐落在甲公司的北面,乙公司的车辆往返于公司和主干道之间、乙公司员工往返于公司和公交车站之间,只能绕行甲公司院外围的公路走,颇不方便。
根据以上情况,请回答问题:

现乙公司的资金周转出现困难,需要向银行贷款,银行要求提供担保,则如下方案中可行的是:

A.乙公司将其地役权抵押给银行

B.乙公司以其建设用地使用权抵押,但乙公司的厂房不抵押

C.乙公司以其将有的产品抵押

D.乙公司以其正在建设中的办公楼及其占用的土地使用权抵押

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