艾里克森接受了( )的人格结构说,强调社会文化背景的作用,认为人格发展受文化背景的 发布时间:2017-05-29 02:45 │ 来源:www.tikuol.com 题型:单项选择题 问题: 艾里克森接受了( )的人格结构说,强调社会文化背景的作用,认为人格发展受文化背景的影响和制约A.弗洛伊德B.皮亚杰C.维果茨基D.布鲁纳
题型:单项选择题 ---I wonder if you can drop by tomorrow evening. The Smiths are coming over for dinner. I’d like you to meet them. ---____________. I’ve heard they’re very interesting people.A.Sure. I’d love toB.Sorry. I can’tC.I’m afraid I won’t be freeD.Yes. I will 查看答案
题型:单项选择题 请认真阅读下列短文, 并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。注意:每个空格只填一个单词。The word science is heard so often in modern times that almost everybody has an idea of its meaning. However, its definition is difficult for many people. The meaning of the term is confusing, but everyone should understand its meaning and objectives (目标). Just to make the explanation as simple as possible, suppose science is defined as classified knowledge or facts.Even in the true science, distinguishing fact from fiction is not always easy. For this reason great care should be taken to distinguish between beliefs and truths. There is no danger as long as a clear difference is made between temporary and proved explanations. For example, hypotheses(假设) and theories are attempts to explain natural phenomena. From these positions the scientist continues to experiment and observe until they are proved or discredited. The exact status of any explanation should be clearly labeled to avoid confusion.The objectives of science are primarily the discovery and later the understanding of the unknown. Man cannot be satisfied with recognizing that secrets exist in nature of that questions are unanswerable; he must solve them. Toward that end, specialists in the field of biology and related fields of interest are directing much of their time and energy.Actually, two basic approaches lead to the discovery of new information. One, aimed at satisfying curiosity, is referred to as pure science. Sometimes practical-minded people miss the point of pure science in thinking only of its immediate application for economic rewards. However, one should remember that the construction of the microscope had to come before the discovery of the cell. The host of scientists devoting their lives to pure science are not apologetic about ignoring the practical side of their discoveries; they know from experience that most knowledge is eventually applied.The other is aimed at using knowledge for specific purposes--for instance, improving health, raising standards of living, or creating new consumer products. In this case, knowledge is put to economic use. Such an approach is referred to as applied science.The小题1:of science小题2:__________ of science● To define science, we may小题3:________call it classified knowledge or facts.● It is essential, though not 小题4:_____ , for us to distinguish fact from fiction.Objectives of scienceScience is 小题5:______ at discovering and understanding the unknown.Two basic 小题6:_________to new discoveryPure scienceScientists, who may be blamed for小题7:____ the practical side of their work, make discoveries out of 小题8:_______. 小题9:______scienceKnowledge is put to economic 小题10:_______, for example, improving health, raising living standards and creating new products. 查看答案
题型:单项选择题 工业上可用食盐和石灰石为主要原料,经不同的方法生产纯碱。请回答下列问题:(1)卢布兰芳是以食盐、石灰石、浓硫酸、焦炭为原料,在高温下进行煅烧,再浸取,结晶而制得纯碱。①食盐和浓硫酸反应的化学方程式为___________;②硫酸钠和焦炭、石灰石反应的化学方程式为_________(已知产物之一为CaS);(2)氨碱法的工艺如下图所示,得到的碳酸氢钠经煅烧生成纯碱。 ①图中的中间产物C是_______,D_______。(写化学式);②装置乙中发生反应的化学方程式为_______;(3)联合制碱法对氨碱法的改进,其优点是______________;(4)有人认为碳酸氢钾与碳酸氢钠的化学性质相似,故也可用氨碱法以氯化钾和石灰石为原料制碳酸钾。请结合下图的溶解度(S)随温度变化曲线,分析说明是否可行?__________。 查看答案