阅读理解。Hitting the bottle to help drown out memories you'd rather forget,高中二年级,英语试题,健康环保类阅读考点,好技网

阅读理解
阅读理解。
Hitting the bottle to help drown out memories you'd rather forget may in fact etch (铭刻) them
more deeply into your consciousness, a new study has found.
And having one or two glasses of wine a day may increase your ability to remember, and even
help with Alzheimer (老年痴呆症) sufferers. The study at Auckland University was undertaken by
Dr. Maggie Kalev and Professor Mathew During.
The two researchers found moderate levels of alcohol consumption, equivalent to one or two
glasses of wine a day, could augment memory.
In contrast, high levels of alcohol decreased the ability of new brain cells to develop and mature.
"Low levels of alcohol promoted neutral memories, such as remembering objects," said Dr. Kalev.
"However, contrary to popular belief, we also found that excessive levels of alcohol enhanced
memories of highly emotional stimuli (刺激), meaning the concept of 'drinking to forget' is unlikely
to be true."
"Our work suggests that heavy drinking actually reinforces negative memories."
The study also identified the way low doses of alcohol improved memory.
Dr. Kalev said a "very important" brain receptor(受体), called an NMDA receptor, appeared
to be necessary for the process.
Testing done on rats showed if they did not have enough NMDA receptors, their memory did
not improve when given low alcohol doses.
However, rats which did show high numbers of NMDA receptors exhibited memory improvement
when given small amounts of alcohol.
"Pathways by which memory is laid down are unclear, but NMDA receptor is critical in this
process," Dr. Kalev said.
"Building on this knowledge may help in the treatment of memory disorders, such as Alzheimer's
disease and other dementias."
The results of the study are published in Journal of Neuroscience.
1. What is the best title of the passage?
A. The introduction of Alzheimer
B. The good effect of alcohol
C. The importance of NMDA receptor
D. Moderate drinking can improve memory
2. Which statement is TRUE according to the passage?
A. Not low levels but excessive levels of alcohol increase memory.
B. An NMDA receptor is the only factor for the process.
C. According to the testing done on rats, their memory did not improve when given low alcohol doses if they did not have enough NMDA receptors.
D. It is sure that the knowledge of the research can help to treat the memory disorders.
3. This article probably appears in ______.
A. a newspaper
B. science report
C. science fiction
D. a novel
4. What can we infer from the passage?
A. Alcohol is unharmful to the new brain cells.
B. The alcoholic amount beneficial to individuals is certain.
C. It is advised that one should not drink too much to forget emotional stimuli.
D. The alcoholic degree of wine is very critical in the research.

本题信息：2012年同步题英语阅读理解难度较难来源:谢雪莲
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健康环保类阅读

健康环保累阅读概念：

健康环保类文章常是介绍科学知识、生活常识和环境保护方面的短文。体裁有记叙文、说明文、议论文和各种应用文。

健康环保类文章阅读技巧：

       健康环保类文章常是介绍科学知识、生活常识和环境保护方面的短文。阅读此类短文要以现象或事物为中心进行思考，理解现象产生的原因、条件和客观规律等。同时要抓住事物的特征、用途和相互关系等。科普环保类文章一般为说明文，从结构上看大致可分为三个部分：
       第一部分一般是文章的首段，主要用来提出文章的主题，即文章想要阐述、说明的主要内容；
       第二部分是文章的主体，可由若干个段落组成，对文章的主题进行展开说明；
       第三部分是结尾段，对文章的主题进行归纳总结。这类文章多用一般现在时，而且一般多使用客观性词语表述。有时为了强调客观性，也常使用被动语态。
       从近几年的考试题来看，科普环保类的文章越来越与人们的实际生活相接近。由于此类文章缺乏故事情节，很多同学对此类文章感到费解。但一般的科普类文章都是就事论事，需要逻辑推理和想象的时候较少，因此此类阅读题也没有同学们想象中的那么难，只要多加训练，就能较好地答题。
【阅读策略】
1、概要(Summarizing)：
      阅完材料后，将所阅材料浓缩，摘要，做出所阅材料的书面或口头梗概。
2、组织(Organization)：
      阅读后根据阅读内容，识别观点、人物、事件之间的关系以及文章的结构关系。如：时间关系、比较或对比关系、相关关系及因果关系等。

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