1995年全国硕士研究生入学考试英语试题及答案.doc

1995年全国硕士研究生考试英语试卷及答案 　　Sleep is divided into periods of so-called REM sleep, characterized by rapid eye movements and dreaming, and longer periods of non-REM sleep. 41 kind of sleep is at all well-understood , but REM sleep is 42 to serve some restorative function of the brain. The purpose of non-REM sleep is even more 43 .The new experiments, such as these 44 for the first time at a recent meeting of the Society for Sleep Research in Minneapolis, suggest fascinating explanations 45 of non-REM sleep . 　　For example, it has long been known that total sleep 46 is 1OO percent fatal to rats, yet ,47 exanlination of the dead bodies , the animals look completely normal . A researcher has now 48 the mystery of why the aninlals die. The rats 49 bacterial infections of the blood ,50 their immune systems——the self-protecting mechanism against disease——had crashed. 　　41 . (A)Either (B)Ndther (C)Each (D)Any 　　42 . (A) intended ( B)required (C) assumed (D) inferred 　　43 . (A) subtle (B)obvious (C)mysterious (D)doubtful 　　44 . (A) maintained ( B) described (C)settled (D)afforded 45. (A)in the light (B)by virtue (C)with the exception (D)for the purpose 　　46 . (A) reduction ( B) destruction (C) deprivation (D) restriction 　　47. (A)upon (B)by (C)through (D)with 48. (A)paid attention to (B)caught sight of (C)laid emphasis on (D)cast light on 　　49 . (A) develop (B)produce (C)stimulate (D)induce 　　50. (A)if (B)as if (C)only if (D)if only Passage l 　　Money spent on advertising is money spent as well as any I know of. It serves directly to assist a rapid distribotion of goods at reasonable price, thereby establishing a firm home market and so making it possible to provide for export at competitive prices. By drawing attention to new ideas it helps enormously to raise standards of living. By helping to increase demand it ensures an increased need for labour, and is therefore an effective way to fight une