图示两物体重力的大小分别为P和Q，用绳子连接，绳子跨过一滑轮，滑轮半径为r，其重力不

Human relations have commanded people’s attention from early times. The ways of people have been recorded in innumerable myths, folktales, novels, poems, plays, and popular or philosophical essays. Although the full significance of a human relationship may not be directly evident, the complexity of feelings and actions that can be understood at a glance is surprisingly great. For this reason psychology holds a unique position among the sciences.

" Intuitive " knowledge may be remarkably penetrating and can significantly help us understand human behavior whereas in the physical sciences such common sense knowledge is relatively primitive. If we erased all knowledge of scientific physics from our world, not only would we not have cars and television sets, we might even find that the ordinary person was unable to cope with the fundamental mechanical problems of pulleys and levers. On the other hand, if we removed all knowledge of scientific psychology from our world, problems in interpersonal relations might easily be coped with and solved much as before. We would still " know " how to avoid doing something asked of us and how to get someone to agree with us: we would still " know " when someone was angry and when someone was pleased. One could even offer sensible explanations for the " whys " of much of the self’s behavior and feelings. In other words, the ordinary person has a great and profound understanding of the self and of other people which though unformulated or only vaguely conceived, enables one to interact with others in more or less adaptive ways. Kohler in referring to the lack of great discoveries in psychology as compared with physics, accounts for this by saying that " people were acquainted with practically all territories of mental life a long time before the founding of scientific psychology. "

Paradoxically, with all this natural, intuitive, commonsense capacity to grasp human relations, the science of human relations had been one of the last to develop. Different explanations of this paradox have been suggested. One is that science would destroy the vain and pleasing illusions people have about themselves; but we might ask why people have always loved to read pessimistic, debunking writings, from Ecclesiastes to Freud. It has also been proposed that just because we know so much about people intuitively, there has been less incentive for studying them scientifically: why should one develop a theory, carry out systematic observations, or make predictions about the obvious In any case, the field of human relations, with its vast literary documentation but meager scientific treatment, is in great contrast to the field of physics in which there are relatively few nonscientific books.

Which of the following is TRUE according to the passage（）

A. Intuition couldn’t explain the motive of one’s behavior

B. Scientific psychology seems to be the most advanced subject

C. The scientific method is difficult to apply to psychology

D. Some believe that the obvious deserves no scientific study

下面是近年来部分特大火灾情况统计表。请拟写一条警示语，提醒人们对火灾的危害加以重视，表达要有创意。(5分)

时间  地点  伤亡人数

2004年2月15日  浙江省海宁市黄湾镇五丰村  40人死亡

2004年2月15日  吉林市中百商厦 54人死亡

2003年12月20日 俄罗斯人民友谊大学火灾 40余名留学生死亡

2003年11月3日  湖南衡阳特大火灾   20名消防官兵遇难

2003年2月2日哈尔滨市道外区天潭酒店火灾    33人死亡

2002年6月15日  北京“蓝极速”网吧特大火灾    25人死亡

答：                                                                      

精子与卵细胞结合成受精卵的场所是_____；胚胎发育的场所是_______；发育时所需养料和氧通过_____从母体获得。 [ ]

A．卵巢 输卵管 子宫

B．输卵管 子宫 胎盘

C．子宫 卵巢 胎盘

D．输卵管 子宫 卵巢

25℃时，若体积为Va、pH＝a的某一元强酸与体积为Vb、pH＝b的某一元强碱混合，恰好中和，且已知

Va<Vb和a＝0.5b，请填写下列空白：

(1)a值可否等于3(填“可”或“否”)________，其理由是__________________。

(2)a值可否等于5(填“可”或“否”)________，其理由是__________________。

(3)a的取值范围是________。

流动人口婚育证明应当载明的信息（）

A、姓名、年龄、公民身份证号码

B、婚姻状况、配偶信息

C、生育状况、避孕节育情况

D、学历