2023年职称英语考试时间_2023年职称英语考前押题理工类备考：阅读理解.docx

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1、2023年职称英语考试时间_2023年职称英语考前押题理工类备考：阅读理解职称英语网权威发布2023年职称英语考前押题理工类备考：阅读理解，更多2023年职称英语考前押题理工类备考相关信息请访问职称英语考试网。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 snowblindness,when exposed to se

2、veral 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 continually shifts and jum

3、ps 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 eyeball. The fluid covers

4、the 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 evergreen bushes, creating

5、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 found something to see,stop sco

6、uring 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 blindness caused by the gla

7、re from snow, dark glasses are_.A.indispensibleB.usefulC.ineffectiveD.available2.When the eyes are sore tears are produced to _.A.clear the visionB.remedy snowblindnessC.ease the irritationD.loosen the muscles3.Snowblindness may be avoided by_.A.concentrating to the solid white terrainB.searching fo

8、r something to look at in snow-covered terrainC.providing the eyes with something to foucs onD.covering the eyeballs with fluid4.The scouts shake snow from evergreen bushes in order to _.A.bive the men behind something to seeB.beautify the landscapeC.warm themselves in the coldD.prevent the men behind from losing their way5.A suitable title for this passage would be _.A.snowblindness and how to overcome itB.natrues cure for snowblindnessC.soldiers in the snowD.snow vision答案：CCCAA