单选题下图表示某区域在一定时期内剩余劳动力数量、人均工资的变化，以及甲、乙两类企业在该区域维持最低经济效益所能支付人均工资的变化，读图，完成下面各题。

单选题一元三次方程x3-3x-4=0的解的情况是______。 A.方程有三个不相等的实根 B.方程有一个实根，一对共轭复根 C.方程有三个实根，其中一个两重根 D.无解

单选题油画《向日葵》的作者是后印象派大师( )

单选题作有钢琴曲《牧童短笛》、歌曲《游击队歌》和管弦乐小品《森吉德玛》等音乐作品的我国音乐家是______。 A.贺绿汀 B.丁善德 C.冼星海 D.杜鸣心

单选题欣赏中外优秀美术作品，拓宽美术视野，属于课程基本理念的______。 A.体现时代性、基础性和选择性，满足发展的需求 B.拓宽美术视野，尊重世界多元文化 C.注重学习方法和过程，提高美术素养 D.提倡质性评价，促进个性发展

单选题What is the teacher doing in terms of error correction? S: I go to the theatre last night. T: You go to the theatre last night? A. Correcting the student's mistake. B. Hinting that there is a mistake. C. Encouraging peer correction. D. Asking the student whether he really went to the theatre.

单选题儿童的兴趣转向周围事物和智力活动中，参加学校和团体的活动，发展同性的友谊，满足来自于外界、好奇心和知识满足、娱乐和运动等。此阶段对应的是弗洛伊德人格发展的()。

单选题一位幼儿教师在工作中能够做到：兢兢业业，不干出点样不甘心;无私奉献，用花和果来成就事业;热衷教育事业，默默奉献;真情呵护年轻教师，甘为人梯。这符合(　　)的要求。

单选题以下说法不正确的是()。

单选题在PowerPoint中，能同时观看多张幻灯片效果的“视图”是( )

单选题唐代画家韩混的代表作是( )。

单选题下列哪项不属于山西八大套器乐合奏的风格?______

单选题杜甫诗歌的风格是()。

单选题 Advertisers tend to think big and perhaps this is why they're always coming in for criticism. Their critics seem to resent them because they have a flair for self-promotion and because they have so much money to throw around. "It's iniquitous," they say, "that this entirely unproductive industry (if we can call it that) should absorb millions of pounds each year. It only goes to show how much profit the big companies are making. Why don't they stop advertising and reduce the price of their goods? After all, it's the consumer who pays ..." The poor old consumer! He'd have to pay a great deal more if advertising didn't create mass markets for products. It is precisely because of the heavy advertising that consumer goods are so cheap. But we get the wrong idea if we think the only purpose of advertising is to sell goods. An- other equally important function is to inform. A great deal of the knowledge we have about house- hold goods derives largely from the advertisements we read. Advertisements introduce us to new products or remind us of the existence of ones we already know about. Supposing you wanted to buy a washing machine, it is more than likely you would ob- tain details regarding performance, price, etc., from an advertisement. Lots of people pretend that they never read advertisements, but this claim may be seriously doubted. It is hardly possible not to read advertisements these days. And what fun they often are, too! Just think what a railway station or a newspaper would be like without advertisements. Would you enjoy gazing at a blank wall or reading railway bye-laws while waiting for a train? Would you like to read only closely printed columns of news in your daily paper? A cheerful, witty advertisement makes such a difference to a drab wall or a newspaper full of the daily ration of calamities. We must not forget, either, that advertising makes a positive contribution to our pockets. Newspapers, commercial radio and television companies could not subsist without this source of revenue. The fact that we pay so little for our daily paper, or can enjoy so many broadcast programmes is due entirely to the money spent by advertisers. Just think what a newspaper would cost if we had to pay its full price! Another thing we mustn't forget is the "small ads." which are in virtually every newspaper and magazine. What a tremendously useful service they perform for the community! Just about anything can be accomplished through these columns. For instance, you can find a job, buy or sell a house, announce a birth, marriage or death in what used to be called the "hatch, match and dispatch" column but by far the most fascinating section is the personal or "agony" column. No other item in a newspaper provides such entertaining reading or offers such a deep insight into human nature. It's the best advertisement for advertising there is!

单选题李老师在保育教育活动中遇到困难与问题时，一般都会根据大学里所学的原则和规范去处理，这样做缺乏灵活性，实际效果往往不佳。根据伯林纳的观点，李老师的专业发展处于（　　）。

单选题实现学校教育对学生发展的主导作用，其基本条件是（ ）。

单选题能够满足儿童不同的兴趣需要，并让他们有更多的机会交往、表达、合作、分享，便于优势互补，最适宜的组织形式是()。

单选题俄国文学史上第一个“多余人”的形象出自哪部作品?()

单选题冯老师在家访时坚持“四多四少”的原则，即“多一点针对性，少一点随意性；多一点肯定，少一点求全责备；多一点情感交流，少一点情况汇报；多一点指导，少一点推卸责任”。冯老师的做法______

单选题能促进钙的吸收的维生素是()。