1995年考研英语真题(张剑).doc

1995年试题与分析 Section ⅠUse of English Sleep is divided into periods of so-called REM sleep, characterized by rapid eye movements and dreaming, and longer periods of non-REM sleep. 1 kind of sleep is at all well-understood, but REM sleep is 2 to serve some restorative function of the brain. The purpose of non-REM sleep is even more 3 . The new experiments, such as these 4 for the first time at a recent meeting of the Society for Sleep Research in Minneapolis, suggest fascinating explanations 5 of non-REM sleep. For example, it has long been known that total sleep 6 is 100 percent fatal to rats, yet, 7 _examinations of the dead bodies, the animals look completely normal. A researcher has now 8 the mystery of why the animals die. The rats 9 bacterial infections of the blood, 10 their immune systems—the self-protecting mechanisrn against disease—had crashed. 1. [A] Either [B] Neither [C] Each [D] Any 2. [A] intended [B] required [C] assumed [D] inferred 3. [A] subtle [B] obvious [C] mysterious [D] doubtful 4. [A] maintained [B] described [C] settled [D] afforded 5. [A] in the light [B] by virtue [C] with the exception [D] for the purpose 6. [A] reduction [B] destruction [C] deprivation [D] restriction 7. [A] upon [B] by [C] through [D] with 8. [A] paid attention to [B] caught sight of [C] laid emphasis on [D] cast light on 9. [A] develop [B] produce [C] stimulate [D] induce 10. [A] if [B] as if [C] only if [D] if only 一、文章结构总体分析 睡眠分为浅睡阶段和较长时间的深睡阶段。虽然人们对两个阶段的睡眠都不是十分了解，但是人们推测浅睡对大脑起修复作用。深睡的作用更令人难以理解。在最近睡眠研究协会的会议上，专家们首次描述的新实验，对非快眼动睡眠的作用进行了吸引人的阐释。因剥夺睡眠而死亡的老鼠的尸体检查发现，其免疫系统似乎已崩溃了。 试题解析 1.[答案] B [解析] 本题考核的知识点是：不定代词的用法。 空格上文提到，睡眠分为浅睡阶段和深睡阶段。因此空格处____ kind of sleep指的就是这两种睡眠。四个备选项中，首先排除[D]项。any 指“任何一个”，如：You can buy sugar at any big store.你可以在任何一家大商店里买到糖。余下的选项中，each指两个或多个中的每一个，例如：Each of them thinks different thoughts.他们中的每一个人都有不同的想法。either表示两者之一，表示肯定，如：You can park on either side of the street. 在街道的哪边停车都可以。neither表否定含义，