- 闭合电路的欧姆定律
- 共7164题
The tone of the passage can best be described as ______.
A．hypothetical
B．humorous
C．exaggerative
D．philosophical
正确答案
D
解析
[解析] 推理判断题。本文是有关科学的说明文，科学地分析了记忆和忘却的机制，因此语气是科学性的。文章的主要内容并不是建立在假想之上的，而是具有科学的证据，[A]选项应该排除。[B]和[C]的错误比较明显。
It is generally thought that a theorist in science is an individual who ______.
A．has strong feelings
B．has the ego of actors
C．is both cold and rational
D．is neither neurotic nor psychotic
正确答案
C
解析
[解析] 事实细节题。根据第二段首句，人们经常认为理论家冷酷而理智(theorists are often viewed as cold，rational)，[C]项符合原文内容。考生需要注意，题目寻问的是大众对理论家的看法，而不是他们真实的面貌。
It is implied in the passage that a theorist pursues science ______.
A．chiefly for changing the world
B．just for challenging the status quo
C．primarily for the benefits of humankind
D．mainly for playing the game of science
正确答案
D
解析
[解析] 推理判断题。根据第一段最后一句，理论家的动机更多的是出于玩耍(Their motivational system most often is that of the Player)，可推断出[D]。其他三个选项不符文意。
According to the passage, if a person never forgot, ______.
A．he would survive best
B．he would have a lot of trouble
C．his ability to learn would be enhanced
D．the evolution of memory would stop
正确答案
B
解析
[解析] 推理判断题。根据第三段第三句，如果没有忘却，人的适应能力就会陷入困境(without forgetting，adaptive ability would suffer)，接着举出事例加以说明，由此可知，人如果没有忘却的能力，势必带来很多麻烦，对自己很不利，[B]项符合题意。没有忘却对生存和学习都不利，[A]和[C]都是错误的。[D]项在文中没有提及。
药典所指的“精密称定”，系指称取重量应准确至所取重量的
A．百分之一
B．千分之一
C．万分之一
D．十万分之一
E．百万分之一
正确答案
B
解析
暂无解析
From the evolutionary point of view, ______.
A．forgetting for lack of practice tends to be obviously inadaptive
B．if a person gets very forgetful all of a sudden he must be very adaptive
C．the gradual process of forgetting is an indication of an individual's adaptability
D．sudden forgetting may bring about adaptive consequences
正确答案
D
解析
[解析] 事实细节题。根据第二段第三句，突然忘却可以看作是具有调节性的(sudden forgetting can be seen to be adaptive)，[D]项表述与此相同。[A]项表述与原文相悖，忘记是具有调节性的。忘却具有调节性，而不是指人，[B]和[C]混淆了讨论的内容。
Some media sources utilize catchy but misleading headlines in order to ______.
A．foster interest in the main text of the article
B．boost sales by stirring interest above that of the competition's
C．outdo their competition in creating the most provocative stories
D．submit to the demands of the public, who want such sensational titles
正确答案
B
解析
[解析] 事实细节题。第三段第一句说，记者和编辑们在他们的文章中非常注重选词，然而为了能使报纸畅销，他们需要写出能吸引读者眼球的标题，迫于这种压力，高质量报刊和无价值小报之间的区别就日渐缩小了。由此可知，媒体采用这些标题是为了通过提高读者的兴趣来增加销量。
In Line 4. Paragraph 3, the word "exacerbated" is most similar in meaning to" ______".
A．caused
B．encouraged
C．forced to continue
D．aggravated
正确答案
D
解析
[解析] 语义理解题。第三段第二句中，用short修饰attention span，可以看出其中暗含了一种消极的含义，因为short意为“短的，不足的”。由此推断，short attention span应该使得困境更为严重，故选项[D] aggravated“加重，使恶化”符合这一含义。另外，attention span是指“注意力的集中广度”，即某人能够将注意力集中于某一特定物体或思想而毫不走神的时间长度。
Accurate representation and reporting is vital in the media because ______.
A．such information is necessary for proper decision-making by public leaders
B．the way that information is presented to the public can influence opinions and outcomes
C．far-fetched exaggerations invariably intrude into the private lives of those being reported on
D．catering to profit-driven sensationalism leads to further inaccuracies and misrepresentations
正确答案
B
解析
[解析] 推理判断题。根据第二段第二句，把“Mr．X Arrest for First-Degree Murder”这样的标题置于头版，煽动性的语言会对public opinions造成影响，并会导致在事实尚未澄清之前就做出不成熟的定论。由此可以推断，准确的陈述和报道对于媒体是非常重要的，这是因为把信息传递给公众的方式会影响人们的看法和结果。
The opinion of the author on media reporting is that ______.
A．reporting, as it is conducted today, is of little value due to its sensationalist nature
B．the inaccurate nature of the media is the result of public demand for that type of journalism
C．the media is on a downward spiral toward further inaccuracies, but there is hope for the future
D．the media is primarily interested in boosting sales and only marginally interested in the accuracy of it's articles
正确答案
C
解析
[解析] 观点态度题。第四段第二句中，作者认为在语言的不准确方面，媒体将继续走下坡路；接着在第三句中however进行转折，说这种情况持续的时间长了就无疑会引起更多的呼声，第四句说，这有可能导致这一体系的剧变，从而更青睐语言的准确性，这些又反映了作者对报刊的将来是抱有希望的。
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