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1、大学英语四级阅读理解试题及答案（四）十六Trees should only be pruned when there is a good and clear reason for doing so and , fortunately,the number of such reasons is small. Pruning involves the cutting away of obergrown and unwanted branches, and the inexperienced gardener can be encouraged by the thought that more da
2、mage results from d oing it unnecessarily than from leaving the tree to grow in its own way. First, pruning may be d one to make sure that trees have a desired shape or size. The object may be to get a tree of the right height, and at the same time to help the growth of small side branches which wil
3、l thicken its appearance or give it a special shape. Secondly, pruning may be done to make the tree healthier. You may cut diseaed or dead wood, or branches that are rubbing against each other and thus cause wounds. The health of a tree may be encouraged by removing branches that are blocking up the
4、 centre and so preventing the free movement of air. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 1 页，共 12 页 - - - - - - - - - One result of pruning is that an open wound is left on the tree and this provides an easy entry for disease, but itis a wound that will hea
5、l. Often there is a race between the healing and the d esease as to whether the tree will live or die, so that there is a period when the tree is at risk. It should be the aim of every gardener to reduce which has been pruned smooth and clean, for healing will be slowed down by roughness. You shoul
6、d allow the cut surface to dry for a few hurs and then paint it with one of the substances available from garden shops produced especially for this purpose. Pruning is usually without interference from the leaves and also it is very unlikely that the cuts yu make will bleed. If this does happen,it i
7、s, of course,impossible to paint them properly. 1.Pruning shoul d be done to _. a.make the tree grow tall er b.improve the shape of the tree c.get rid of the small branches d.make the small branches thicker 2.Trees become unhealthy if the gardener _. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - -
8、- - - - 名师精心整理 - - - - - - - 第 2 页，共 12 页 - - - - - - - - - a.allows too many branches to grow in the middle b.does not protect them from wind c.forces them to grow too quickly d.damages some of the small side branches 3.Why is a special substance painted on the tree? a.To make a wound smooth b.To p
9、revent disease entering a wound c.To cover a rough surface d.To help a wound to dry 4.A good gardener prunes a tree_. a.at intervals throughout the year b.as quickly as possibl e c.occasionally when necessary d.regular every winter 5.What was the authors purpose when writing this passage? 名师资料总结 - -
10、 -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 3 页，共 12 页 - - - - - - - - - a.To give pratical instruction for pruning a tree. b.To give a general description of pruning c.To explain how trees d evelop diseases d.To discuss different methods of pruning. 答案： babca 十七On Thursday
11、 afternoon Mrs. Carke, dressed for going out, took her handbag with her money and her key in it, pulled the door behind her to lock it and went to the over 60s Club. She always went there on Thursdays. It was a nice outing for an old woman who lived alone. At six oclock she cane home, let herself in
12、 and at once smelt cigarette smoke. Cigarette smoke in her house? How? How? Had someone got in? She checked the back door and the windows. All were locked or fastened, as usual. There was no sign of forced entry. Over a cup of tea she wondered whether someone might have a key that fitted her front d
13、oor-a master keyperhaps. So she stayed at home the following Thursday. Nothing happened. Was anyone watching her movements? On the Thursday after that she went out at her usual time,dressed as usual, but she didnt go to the club. Instead she took a short cut home again, letting herself in through he
14、r garden and the back door. She settled down to wait. It was just after four oclock when the front door bell rang.Mrs. Clarke was making a cup of tea at the time. The bell rang again, and then she heard her letter-box being pushed open. With the kettle of boiling water in her hand, she moved quietly
15、 towards the front door. A long piece of wire appeared through the letter-box, and then a hand. The wire turned and caught around the knob on the door-lock. Mrs. Clarke raised the kettle and poured the water over the hand. There was a shout outside, and the skin seemed to drop off the fingers like a
16、 glove. The wire fell to the floor, the hand was pulled back, and Mrs. Clarke heard the sound of running feet. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 4 页，共 12 页 - - - - - - - - - 1.Mrs. Clarke looded forward to Thursday because_. a.she worked at a club on the
17、 day b.she said visitors on Thursdays c.she visited a club on Thursday d.a special visitor came on Thursday 2.If someone had made a forced entery,_. a.Mrs.Clarke would have found a broken door or window b.he or she was still in the house c.things would have been thown about d.he or she would have ne
18、eded a master key 3.On the third Thursday Mrs. Clarke went out_. a.because she didnt want to miss the club again b.to see if the thief was hnging about outside c.to the club but then changed her mind d.in an attempt to trick the thief 4.The lock on the front door was one which_. a.needed a piece of
19、wire to open it b.could he opened from inside without a key c.couldt be opened without a key d.used a knob instead of a key 5.The wire feel to the floor_. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 5 页，共 12 页 - - - - - - - - - a.because Mrs.Clarke refused to open
20、 the door b.when the mans glove dropped off c.because it was too hot to hold d.because the man justwanted to get away 答案： cadbd 十八Many people believe the glare from snow causes snowblindnenss. Yet, dark glasses or not , they find themselves suffering from headaches and watering eyes,and even snowbli
21、ndness,when exposed to several hours of snow light . The United States Army has now determined that glare from snow does not cause snowblindness in troops in a snow-covered country.Rather, a mans eyes frequently find nothing to foucs on in a broad expanse of barren snow-covered terrain. So his gaze
22、continually shifts and jumps back and forth over the entire landscape in search of tsomething to look at. Finding nothing, hour after hour, the eyes never sotp searching and the eyeballs become sore and the eye muscles ache. Nature offsets this irritation by producing more and fluid which covers the
23、 eyeball. The fluid coversthe eyeball in increasing quantity until vision blurs, then is obsured,and the result is total, even though temporary,snowblindness. Experiments led the Army to a simple method of overcoming this problem. Scouts ahead of a main body of troops are trained to shake snow from
24、evergreen bushes, creating a dotted line as they cross completely snow-covered landscape,Even the scouts themselves throw lightweight , dark colored objects ahead on which they too can focus . The men following can then see something.Their gaze is arrested. Their eyes focus on a bush and having foun
25、d something to see,stop scouring the snow-blanketed lanscape. By focusing their attention on one object at a time,the men can cross the snow without becoming hopelessly snowblind or lost. In this way the problem of crossing a solid white terrain is overcome. 1.To prevent headaches, watering eyes and
26、 blindness caused by the glare from snow, dark glasses are_. 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 6 页，共 12 页 - - - - - - - - - a.indispensible b.useful c.ineffective d.available 2.When the eyes are sore tears are produced to _. a.clear the vision b.remedy s
27、nowblindness c.ease the irritation d.loosen the muscles 3.Snowblindness may be avoided by_. a.concentrating to the solid white terrain b.searching for something to look at in snow-covered terrain c.providing the eyes with something to foucs on d.covering the eyeballs with fluid 4.The scouts shake sn
28、ow from evergreen bushes in order to _. a.bive the men behind something to see b.beautify the landscape c.warm themselves in the cold d.prevent the men behind from losing their way 5.A suitable title for this passage would be _. a.snowblindness and how to overcome it 名师资料总结 - - -精品资料欢迎下载 - - - - - -
29、 - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 7 页，共 12 页 - - - - - - - - - b.natrues cure for snowblindness c.soldiers in the snow d.snow vision 答案： CCCAA 十九Water problems in the future will become nore intense and more complex. Our increasing population will tremendously increase urban wastes,pri
30、marily sewage. On the other hand, increasing demands for water will decease substantialy the amount of water available for diluting wastes. Rapidly expanding industries which involve more and more complex chemical processes will produce large volumes of liquid wastes, and many of these will contain
31、chemicals which are noxious. To feed our rapidly expanding population, agriculture will have to be intensified. This will involve ever-increasingquantities of agricultural chemicals, From this , it is apparent that drastic steps must be taken immediately to develop corrective measures for the pollut
32、ion problem. There are two ways by which this pollution problem can be dwindled. The first relates to the treatment of wastes to decrease their pollution hazard. This involves the processing of solid wastes prior to disposal and the treatment of liquid wastes, or efflunets,to permit the reuse of the
33、 water or minimize pollution upon final disposal. A second approach is to develop an economic use for all or a part of the wastes. Farm manure is spread in fields as a nutrient or organic supplement . Effluents from sewage disposal plants are used in some areas both for irrigation and for the nutrie
34、nts contained. Efflunets from other processing plants may also be used as a supplemental source of water. Many industries, such as meat and poultry processing plants, are currently converting former waste products into marketable byproducts. Other industries are potential eonomic uses for waste prod
35、ucts. 1.The purpose of this passage is _. a.to alert the reader to the dwindling water supply 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 8 页，共 12 页 - - - - - - - - - b.to explain industrial uses of water c.to acquaint the reader with water pollution problems d.to
36、 demostrate various measures to solve the pollution problem 2.Which of the following points is NOT INCLUDED in the passage? a.In dustrial development incudes the simplification of complex chemical processes. b.Diluting wastes needs certain amount of water c.Demands for water will go up along with th
37、e expanding population d.Intensive cultivation of land requires more and more chemicals 3.The reader can conclued that_. a.countries of the world will work together on polution problems b.byproducts from wastes lead to a more prosperous marketplace c.science is making great progress on increasing wa
38、ter supplies d.some industries are now ,aking economic use of wastes 4.The author gives substance to the passage through the use of _. a.interviews with authorities in the field of water controls b.opinions and personal observations c.definitions which clarify important terms d.strong arguments and
39、persuasions 5.The words prior to (para.2) probably mean_. a.after b.during 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 9 页，共 12 页 - - - - - - - - - c.before d.beyond 答案 :cadbc 二十One of the qualities that most people admire in others is the willingness to admit one
40、s mistakes. It is extremely hard sometimes to say a simple thing like I was wrong about that, and it is even harder to say, I was wrong , and you were right about that. I had an experience recently with someone admitting to me that he had made a mistake fifteen years ago. He told me he had been the
41、manager of a certain grocery store in the neighbourhood where I grew up, and he asked me if I remembered the egg cartons. Then he related an incident and Ibegan to remember vaguely the incident he was describing. I was about eight years old at the time, and I had gome into the store with may mother
42、to do the weekly grocery shopping. On that particular day, I must have found my way to the dairy food department where the incident tood place. There must have been a special sale on eggs that day because there was an impressive display of eggs indozen and half-dozen cartons. The cartons were stacke
43、d three or four feet high. I must have stopped in front of a display to admire the stacks. Just then a woman came by pushing her grocery cart and knocked off the stacks of cartons. For some reason, I decided it was up to me to put the display back together, so I want to work. The manager heard the m
44、oise and came rushing over to see what had happened. When he appeared, I was on my knees inspecting some of the cartons to see if any of the eggs were broken, but to him it looked as though I was the culprit. He severely reprimanded me and wanted me to pay for any broken eggs. I protested my innocen
45、ce and tried to explain, but it did no good. Even though I quickly forgot all about the incident, apparently the manager did not. 1.How old was the author when he wrote this article? 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 10 页，共 12 页 - - - - - - - - - a.about
46、 8 b.about 18 c.about 23 d.about 15 2.Who was to blame for knocking off the stacks of cartons? a.The author b.The manager c.A woman d.The authors mother 3.Which of the following statements is not true? a.The woman who knocked off the stacks of cartons was seriously criticized by the mananger b.The a
47、uthor was severely critizized by the manager. c.A woman carelessly knocked off the stacks of cartons d.It was the author who put the display back together 4.Which of the following can serve as the best title for the passage? a.Its Harder to Admit Ones Mistake b.I was once the culprit c.I remember an
48、 incident d.A case of mistaken identity 5.The tone of the article expresses the authors_. a.admiration for the managers willingness to admit mistakes 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 11 页，共 12 页 - - - - - - - - - b.anger to the manager for his wrong accusation c.indignation against the woman who knocked off the stacks of cartons d.reget for the mistake the made in the store 答案： ccada 名师资料总结 - - -精品资料欢迎下载 - - - - - - - - - - - - - - - - - - 名师精心整理 - - - - - - - 第 12 页，共 12 页 - - - - - - - - -