What has resulted in Americans pessimism?
A．People living in America have no longer felt secure.
B．American economy has undergone a severe decline.
C．The political climate in America is being worse.
D．Some countries are developing faster than America.

判断题区分度的分析方法大约可以归纳为两类：一为外部效标法;二为内部一致性。()

判断题为满足教育测验的需要，布卢姆等人将教育目标分为认知、情感和动作技能三个领域。()

未分类题Which group of people are most optimistic?A．Ordinary white Americans.B．American immigrants.C．African Americans.D．The Midwest Americans.

判断题比率量表的零点是绝对的。()

判断题体育锻炼的主要项目有身体素质锻炼和运动能力锻炼。()

未分类题Oh, what a nuisance! It______so easy for me to bring those photographs I wanted to show you, and I have left them on the table at home.A．would have beerB．had beenC．would beD．was

判断题“三环结构说”的核心是世界观。()

未分类题______this information, they sat down again to wait.A．After givenB．On givingC．Having been givenD．After having to give

判断题具有一定倾向性的心理特征的总和称为人格。()

未分类题The passage mainly discusses______.A．the importance of science in human developmentB．the proper ways of teaching children scienceC．the necessity for children to learn scienceD．the correct attitude to science as a subject in primary education

未分类题Which of the following about 'Path to Growth' strategy is true?A．It is hard to carry out.B．It has a glorious history.C．it underlines Unilever's brands.D．It brings high growth.

未分类题The author claims that good science_____.A．defies predictionB．should study the unknownC．should discover scientific truthD．should offer choices rather than prescribe

未分类题The first paragraph intends to tell us______.A．not all technological promises can come trueB．paperless office is a remote dreamC．carbon paper is still with usD．carbon-paperless office is on the way

未分类题The author suggests in the last paragraph that______.A．business model change usually goes against existing lawsB．keeping online content free ensures the success of NewspapersC．metered model has been widely adopted in the Newspaper industryD．online paywalls might be a lifesaver of the Newspaper industry

未分类题To which of the following might Daniele Fanelli agree?A．The frequency and quality of citations reflect the quality of a paper.B．Positive data hinder us from understanding the messy nature of science.C．The competitive environment makes it impossible to publish negative data.D．The present publication culture is adverse to scientific progress.