[考研类试卷]考研英语一（完形填空）模拟试卷3（无答案）.doc

1、考研英语一（完形填空）模拟试卷 3（无答案）一、Section I Use of EnglishDirections: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D. (10 points) 0 As the baby-boomer generation contemplates the prospect of the Zimmer frame there has never been more interest in delaying the pro

2、cess of ageing. One consequence has been a(n) 【B1】_rise in the popularity of brain-training games. But how 【B2】 _ really is a daily dose of cryptic crossword?Robert Wilson, a neuropsychologist at Rush University in Chicago, and his colleagues decided to【B3】_out, 【B4 】_following a group of people wit

3、hout dementia. Participants were asked to【B5】_how frequently they engaged in cognitively【B6】_activities. The researchers were looking for such things as reading newspapers, books and magazines, 【B7】_ challenging games like chess, listening to the radio and watching television, and 【B8】_ museums.The

4、good news, as they report in Neurology, is that【B9】_activity of this sort seems to slow the rate of【B10】_decline in those without cognitive【B11】_. The bad news is that in those who do then develop Alzheimer s disease it is associated with a more rapid【B12】_decline.What seems to be happening is that

5、cognitive stimulation helps【B13】_the effect of theneurodegenerative lesions associated with dementia. It does not,【B14 】_, make them go away. They continue to【B15】_, so that when the disease does eventually take【B16】_there are more of them around than there otherwise would be, which results in a mor

6、e【B17】_cognitive fall off. That is not a message of despair, 【B18】_, because the length of time someone suffers from dementia is thus 【B19 】_ and their healthy life prolonged. So the message is,【B20】_on with the crosswords.1 【B1 】（A）tiny（B） small（C） dramatic（D）enormous2 【B2 】（A）effective（B） affectiv

7、e（C） efficient（D）constructive3 【B3 】（A）check（B） figure（C） find（D）pick4 【B4 】（A）with（B） by（C） in（D）as5 【B5 】（A）rate（B） anticipate（C） declare（D）assert6 【B6 】（A）sustaining（B） transforming（C） receding（D）stimulating7 【B7 】（A）setting（B） playing（C） arranging（D）making8 【B8 】（A）watching（B） viewing（C） sightse

8、eing（D）visiting9 【B9 】（A）casual（B） successive（C） frequent（D）continuous10 【B10 】（A）mental（B） physical（C） spiritual（D）energetic11 【B11 】（A）obstacle（B） inclination（C） limitation（D）impairment12 【B12 】（A）consecutive（B） subsequent（C） conservative（D）subservient13 【B13 】（A）meet（B） encounter（C） overcome（D）co

9、nduct14 【B14 】（A）therefore（B） moreover（C） indeed（D）however15 【B15 】（A）amass（B） accumulate（C） collect（D）gather16 【B16 】（A）hold（B） care（C） charge（D）up17 【B17 】（A）slight（B） mild（C） abundant（D）rapid18 【B18 】（A）until（B） though（C） unless（D）if19 【B19 】（A）reduced（B） degraded（C） declined（D）increased20 【B20 】

10、（A）let（B） put（C） work（D）carry20 The Earth s daily clock, measured in a single revolution, is twenty-four hours. The human clock,【B1】_, is actually about twenty-five hours. That s 【B2】_ scientists who study sleep have determined from human subjects who live for several weeks in observation chambers w

11、ith no【B3】_of day or night. Sleep researchers have 【B4】_ other surprising discoveries as well.We spend about one-third of our lives asleep, a fact that suggests sleeping, 【B5】 _ eating and breathing, is a fundamental life process. Yet some people almost never sleep, getting by on as 【B6】_ as fifteen

12、 minutes a day. And more than seventy years of【B7 】_into sleep deprivation, in which people have been kept【B8】_for three to ten days, has 【B9 】_ only one certain finding: Sleep loss makes a person sleepy and that s about all; it causes no lasting ill【 B10】_. Too much sleep, however, may be【B11】_for

13、you.These findings【B12】_some long-held views of sleep, and they【B13】_questions about its fundamental purpose in our lives. In【B14】_, scientists dont know just why sleep is necessarySome scientists think sleep is more the result of evolutionary habit than【B15】_actual need, Animals sleep for some part

14、s of the day perhaps because it is the 【B16】_ thing for them to do: it keeps them【B17】_and hidden from predators; its a survival tactic. Before the advent of electricity, humans had to spend at least some of each day in【B18】_and had little reason to question the reason or need for【B19】_. But the dev

15、elopment of the electroencephalograph and the resulting discovery in 1937 of dramatic【B20】_in brain activity between sleep and wakefulness opened the way for scientific inquiry in the subject.21 【B1 】（A）however（B） otherwise（C） likewise（D）therefore22 【B2 】（A）the（B） what（C） because（D）many23 【B3 】（A）id

16、ea（B） feeling（C） sense（D）judgment24 【B4 】（A）come up against（B） come down to（C） come up with（D）come up to25 【B5 】（A）with（B） like（C） unlike（D）as26 【B6 】（A）little（B） much（C） few（D）long27 【B7 】（A）probe（B） investigation（C） research（D）examination28 【B8 】（A）asleep（B） sleepy（C） active（D）awake29 【B9 】（A）igno

17、red（B） yielded（C） recognized（D）excluded30 【B10 】（A）effects（B） affections（C） influences（D）impacts31 【B11 】（A）useful（B） good（C） bad（D）harmful32 【B12 】（A）challenge（B） deny（C） doubt（D）dispute33 【B13 】（A）evade（B） settle（C） raise（D）release34 【B14 】（A）addition（B） fact（C） line（D）short35 【B15 】（A）from（B） an（C） the（D）of36 【B16 】（A）worst（B） best（C） only（D）natural37 【B17 】（A）comfortable（B） calm（C） quiet（D）excited38 【B18 】（A）coldness（B） warmth（C） darkness（D）shade39 【B19 】（A）sleep（B） work（C） food（D）clothes40 【B20 】（A）differences（B） similarities（C） resemblance（D）opposites