专八阅读模拟练习题(30)

2015-08-17 10:30:57来源:网络

专八阅读模拟练习题(30)

  专八阅读理解要求考生能读懂一般英美报刊杂志上的社论,政治和书评,既能理解其主旨和大意,又能分辨出其中的事实与细节,相对较难,那就需要考生们多做阅读练习,新东方在线整理了专八阅读模拟练习题并提供了答案解析供考生们习作。

  A Polish proverb claims that fish, to taste right, should three times—in water, in butter and in wine. The early efforts of the basic scientists in the food industry were directed at improving the preparation, preservation, and distribution of safe and nutritious food. Our memories of certain foodstuffs eaten during the World War II suggest that, although these might have been safe and nutritious, they certainly did not taste right nor were they particularly appetizing in appearance or smell. This neglect of the sensory appeal of foods is happily becoming a thing of the past. Bow, in the book “Principles of Sensory Evaluation of Food,” the authors hope that it will be useful to food technologists in industry and also to others engaged in research into problem of sensory evaluation of foods. An attempt has clearly been make to collect every possible piece of information, which might be useful, more than one thousand five hundred references being quoted. As a result, the book seems at first sight to be an exhaustive and critically useful review of the literature. This it certainly is, but this is by no means is its only achievement, for there are many suggestions for further lines of research, and the discursive passages are crisply provocative of new ideas and new ways of looking at established findings.

  Of particular interest is the weight given to the psychological aspects of perception, both objectively and subjectively. The relation between stimuli and perception is well covered, and includes a valuable discussion of the uses and disadvantages of the Weber fraction of differences. It is interesting to find that in spite of many attempts to separate and define the modalities of taste, nothing better has been achieved than the familiar classification into sweet, sour salty and bitter. Nor is there as yet any clear-cut evidence of the physiological nature of the taste stimulus. With regard to smell, systems of classification are of little value because of the extraordinary sensitivity of the nose and because the response to the stimulus is so subjective. The authors suggest that a classification based on the size, shape and electronic status of the molecule involved merits further investigation, as does the theoretical proposition that weak physical binding of the stimulant molecule to he receptor site is a necessary part of the mechanism of stimulation.

  Apart from taste and smell, there are many other components of perception of the sensations from food in the mouth. The basic modalities of pain, cold, warmth and touch, together with vibration sense, discrimination and localization may all play a part, as, of course, does auditory reception of bone-conducted vibratory stimuli from the teeth when eating crisp or crunchy foods. In this connection the authors rightly point out that this type of stimulus requires much more investigation, suggesting that a start might be made by using subjects afflicted with various forms of deafness. It is well-known that extraneous noise may alter discrimination, and the attention of the authors is directed to the work of Prof. H. J. Eysenck on the “stimulus hunger” of extroverts and the “stimulus avoidance” of introverts.

  1. The reviewer uses a Polish proverb at the beginning of the article in order to

  [A] introduce, in an interesting manner, the discussion of food.

  [B] show the connection between food and nationality of food.

  [C] indicate that there are various ways to prepare food.

  [D] impress upon the reader the food value of fish.

  2. The reviewers appraisal of “Principles of Sensory Evaluation of Food” is one of

  [A] mixed feelings. [B] indifference.

  [C] high praise. [D] faint praise.

  3. The writer of the article does not express the view, either directly or by implication, that

  [A] sharply defined classifications of taste are needed.

  [B] more research should be done regarding the molecular constituency of food.

  [C] food values are objectively determined by an expert “smeller”.

  [D] temperature is an important factor in the value of food.

  4. The authors of the book suggest the use of deaf subject because

  [A] deaf people are generally introversive.

  [B] the auditory sense is an important factor in food evaluation.

  [C] they are more fastidious in their choice of foods.

  [D] All types of subjects should be used.

  答案详解:

  1. A. 以有趣的方式开始介绍食品讨论。文章一开始,评者就用“波兰有一谚语说,鱼,要想品味正,应游泳三次——在水里游,在油里游和在酒中游。”这是国外广告式论说文经常才用的一种写作方式。目的是吸引读者,激起他们想读下去的欲望,以达到推广作用。

  B. 表明食品和国籍的关系。 C. 表明有各种准备食品的方法。 D. 加深读者对鱼的价值的影响,三项都不对。

  2. C. 评价高。评论者当然对此书评价极高,这是序言的必然途径。贬的就是批评文章了。全篇文章也说明这点。

  3. C. 食品价值由专家的嗅觉客观决定。这和第二段后半段的内涵有联系。他说,味道可分甜,酸,咸辣,而味觉生理性却无明确无误的证据。“至于(嗅觉)闻,由于鼻子特别灵敏,对外界刺激的反映主观性强,所以任何分类体系均无价值。”作者建议以“大小,形状和涉及分子电子态为基础的分类值得进一步探讨研究,就像理论性前提一样。刺激物分子和受体之间弱的物理结合是刺激生理机能的必要组成部分。”这段文章谈到味觉,嗅觉但并没有直接或间接表达这种观点:食品的价值是通过专家的嗅觉客观判定。

  A. 需要明确无误的味觉分类。酸,咸,辣就是味觉的分类。 B. 有关食品分子构成进行更多研究。文内也讲到有关分子电子态应进一步研究。 D. 温度是食品评价中的一个因素。文内只在第三段提到了“除了味觉,嗅觉外,口中食品还有其他许多种感觉成分,基本为疼,冷,热,触碰以及震动感,鉴别力和地区性都可能起作用。“作者直接说明热是可能有作用的。

  4. B. 听觉在食品评价中是一个重要因素。这在第三段内提到。除了味觉和嗅觉外,口中食品还会产生许多其它感觉。基本可分为痛,冷,热,触碰以及震动感,鉴别力和地区性都可能起作用。就像在吃脆硬或嘎嘎作响的食品时,听觉接受了来自牙齿骨操纵的震动刺激。在这方面,作者真确指出这种刺激需进行更多探讨研究,建议运用受各种听不见痛苦折磨的 病人作起点研究。众所周知,外部的噪声会改变分辨力和注意力。“这说明B. 听觉在食品评价中起着重要作用。是对的。

  A. 聋子一般是内向的。 C. 他们在选择食品时很挑剔。 D. 各种物体都应当应用。都和本文无关。

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