肾病综合征伴胸腔积液（） A.胸液乳白色，加入乙醚变清 B.胸液蛋白3.8g/L、A

下图所示的变化过程中，有新物质生成的是[ ]

A.

B.

C.

D.

大气压强随着离地面高度的升高而______，测定大气压的工具通常有______和无液气压计．

知道《解放黑人奴隶宣言》的主要内容，理解南北战争在美国历史发展中的作用。（2）课文摘录：美国独立以后.领土迅速扩张，在半个多世纪的时间里，成为一个东临大西洋，西濒太平洋的大国。同时，北方资本主义工业和南方种植园经济都发展起来。南方种植园使用了大量奴隶。两种制度水火不容。19世纪中期，围绕着奴隶制的存废问题，北方和南方之间的矛盾再也无法调和。1861年3月，林肯就任美国总统，成为南方奴隶主发动叛乱的借口。南方的一些州联合起来，宣布组成一个独立国家，号称“南部联盟”。这年4月，南方军队挑起内战，美国南北战争爆发。要求：根据课程标准要求和课文内容，设计出相关的教学过程，包括教学环节、教师活动和学生活动。（根据下列材料设计教学片段：（1）《义务教育历史课程标准（2011年版）》要求）

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.

Which of the following best describes what the author says about his work

A. He can freely express his opinion.
B. He prefers to write about films he likes.
C. His success varies from year to year.
D. He writes according to accepted rules.

对线性表，在下列哪种情况下应当采用链表表示

A．经常需要随机地存取元素

B．经常需要进行插入和删除操作

C．经常需要占据一片连续的存储空间

D．表中元素的个数不变