一个平行四边形的面积是2.5平方米,和它等底等高的三角形面积是()平方米。

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问题:

一个平行四边形的面积是2.5平方米,和它等底等高的三角形面积是(    )平方米。

考点:三角形的面积平行四边形的面积
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阅读《过零丁洋》,完成题目。(5分)

过零丁洋   (宋)文天祥

辛苦遭逢起一经,干戈寥落四周星。山河破碎风飘絮,身世浮沉雨打萍。

惶恐滩头说惶恐,零丁洋里叹零丁。人生自古谁无死,留取丹心照汗青。

小题1:诗中以“风飘絮”、“雨打萍”的形象比喻,抒写了(       )的悲哀;借(    ) 和(     ) 两个地名,暗示了形势的险恶和作者境况的危苦。

小题2:结合我国历代名人志士对待生死的价值观,举例谈谈你对“人生自古谁无死,留取丹心照汗青”的理解。(2分)

                                                                           

                                                                           

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公共关系的工作原则是()。

A、求实性原则

B、公众性原则

C、科学规划原则

D、创新性原则

E、长期性原则

F、互惠互利原则

题型:填空题

Questions 1~5


Writing articles about films for The Front Page was my first proper job. Before then I had done bits of reviewing—novels for other newspapers, films for a magazine and anything I was asked to do for the radio. That was how I met Tom Seaton, the first arts editor of The Front Page, who had also written for radio and television. He hired me, but Tom was not primarily a journalist, or he would certainly have been more careful in choosing his staff.
At first, his idea was that a team of critics should take care of the art forms that didn’t require specialized knowledge: books, TV, theatre, film and radio. There would be a weekly lunch at which we would make our choices from the artistic material that Tom had decided we should cover, though there would also be guests to make the atmosphere sociable.
It all felt a bit of a dream at that time: a new newspaper, and I was one of the team. It seemed so unlikely that a paper could he introduced into a crowded market. It seemed just as likely that a millionaire wanted to help me personally, and was pretending to employ me. Such was my lack of self-confidence. In fact, the first time I saw someone reading the newspaper on the London Underground, then turning to a page on which one of my reviews appeared, I didn’t know where to look.
Tom’s original scheme for a team of critics for the arts never took off. It was a good idea, but we didn’t get together as planned and so everything was done by phone. It turned out, too, that the general public out there preferred to associate a reviewer with a single subject area, and so I chose film. Without Tom’s initial push, though, we would hardly have come up with the present arrangement, by which I write an extended weekly piece, usually on one film.
The space I am given allows me to broaden my argument—or forces me, in an uninteresting week, to make something out of nothing. But what is my role in the public arena I assume that people choose what films to go to on the basis of the stars, the publicity or the director. There is also such a thing as loyalty to "type" or its opposite. It can only rarely happen that someone who hates westerns buys a ticket for one after reading a review, or a love story addict avoids a romantic film because of what the papers say.
So if a film review isn’t really a consumer guide, what is it I certainly don’t feel I have a responsibility to be "right" about a movie. Nor do I think there should be a certain number of "great" and "bad" films each year. All I have to do is put forward an argument. I’m not a judge, and nor would I want to be.

What does the author mean when he says that Tom’s scheme "never took off" (para. 4) ______

A. It was unpopular.
B. It wasted too much time.
C. It wasn’t planned properly.
D. It wasn’t put into practice.

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催化剂预硫化结束后催化剂初活选用直馏油的原因是什么?

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停炉前应全面吹灰一次。

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