关于固定阳极X线管阳极的结构组成下列正确的是（）。 A.阳极头、阳极柄、阳极帽 B.

过抛物线y²=4x的焦点引一直线，已知直线被抛物线截得的弦被焦点分成2：1，求这条直线的方程．

在市场经济中，生产者和消费者都是经济人，价格是影响他们利益的最重要的因素。这种影响表现在[ ]

①价格下降会使消费者获益，他们会增加消费

②价格上升会使生产者受益，从而增加供给

③价格变动会对生产活动产生影响而对人们生活影响不大

④价格是对生产、生活产生影响的唯一因素

A．①②③④

B．①②③

C．①②

D．②③

如图所示，传送带足够长，与水平面间的夹角α＝37°，并以v＝10m／s的速度逆时针匀速转动着，在传送带的A端轻轻地放一个质量为m＝1kg的小物体，若已知物体与传送带之间的动摩擦因数μ＝0．5，（g＝10m／s²，sin37°＝0．6，cos37°＝0．8）则下列有关说法正确的是（   ）

A．在放上小物体的第1s内，系统产生50J的热量

B．在放上小物体的第1s内，至少给系统提供能量70J才能维持传送带匀速转动

C．小物体运动1s后加速度大小为2m／s²

D．小物体运动1s后，受到的摩擦力大小不适用公式F＝μF_N

关于部分分项工程施工成本分析的说法，正确的有（）。

A.分部分项工程成本分析的对象为已完成分部分项工程

B.分部分项工程成本分析是施工项目成本分析的基础

C.必须对施工项目中的所有分部分项工程进行成本分析

D.分部分项工程成本分析的方法就是进行实际成本与目标的成本比较

E.对主要分部分项工程要做到从开工到竣工进行系统的成本分析

I entered high school having read hundreds of books. But I was not a good reader. Merely bookish, I lacked a point of view when I read. Rather, I read in order to get a point of view. I searched books for good expressions and sayings, pieces of information, ideas, themes—anything to enrich my thought and make me feel educated. When one of my teachers suggested to his sleepy tenth-grade English class that a person could not have a “complicated idea” until he had read at least two thousand books, I heard the words without recognizing either its irony (嘲讽) or its very complicated truth. I merely determined to make a list of all the books I had ever read. Strict with myself, I included only once a title I might have read several times. (How, after all, could one read a book more than once?) And I included only those books over a hundred pages in length. (Could anything shorter be a book?)  

There was yet another high school list I made. One day I came across a newspaper article about an English professor at a nearby state college. The article had a list of the “hundred most important books of Western Civilization.” “More than anything else in my life,” the professor told the reporter with finality , “these books have made me all that I am.” That was the kind of words I couldn’t ignore. I kept the list for the several months it took me to read all of the titles. Most books, of course, I hardly understood. While reading Plato's The Republic, for example, I needed to keep looking at the introduction of the book to remind myself what the text was about. However, with the special patience and superstition (迷信) of a schoolboy, I looked at every word of the text. And by me time I reached the last word, pleased, I persuaded myself that I had read The Republic, and seriously crossed Plato off my list

小题1: On heating the teacher's suggestion of reading, the writer thought _______.

A．one must read as many books as possible

B．a student should not have a complicated idea

C．it was impossible for one to read two thousand books

D．students ought to make a list of the books they had read小题2:While at high school, the writer _______.    

A．had plans for reading

B．learned to educate himself

C．only read books over 100 pages

D．read only one book several times小题3:The underlined phrase “with finality” probably means _______.

A．firmly

B．clearly

C．proudly

D．pleasantly小题4:The writer's purpose in mentioning The Republic is to _______.

A．explain why it was included in the list

B．describe why he seriously crossed it off the list

C．show that he read the books blindly though they were hard to understand

D．prove that he understood most of it because he had looked at every word小题5:The writer provides two book lists to _______.

A．show how he developed his point of view

B．tell his reading experience at high school

C．introduce the two persons' reading methods

D．explain that he read many books at high school