首页
登录
职称英语
Many people believe the glare from snow causes snowblindness. Yet, dark glas
Many people believe the glare from snow causes snowblindness. Yet, dark glas
游客
2024-10-20
21
管理
问题
Many people believe the glare from snow causes snowblindness. Yet, dark glasses or not, they find themselves 【C1】______headaches and watering eyes, and even snowblindness, when【C2】______ 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.【C3】______, a man’s eyes frequently find nothing to focus on in a broad【C4】______ of barren snow-covered terrain. So his gaze continually shifts and jumps back and【C5】______ over the entire landscape【C6】______ something to look at. Finding nothing, hour after hour, the eyes【C7】______stop searching and the eyeballs become 【C8】______ and the eye muscles ache. Nature【C9】______ this irritation by producing more fluid which covers the eyeball. The fluid covers the eyeball in increasing【C10】______until vision blurs, then is【C11】______, and the result is total, even though temporary, snowblindness.
Experiments【C12】______ the Army to a simple method of overcoming this problem. Scouts【C13】_____ of a main body of troops are trained to shake snow 【C14】______evergreen bushes, creating a dotted line as they cross completely snow-covered landscape.【C15】______ the scouts themselves throw lightweight, dark colored objects ahead on which they too can focus. The men【C16】______ can then see something. Their gaze is 【C17】______. Their eyes focus on a bush and having found something to see, stop 【C18】______the snow-blanketed landscape. By focusing their attention on one object 【C19】______,the men can cross the snow 【C20】______becoming hopelessly snowblind or lost. In this way the problem of crossing a solid white terrain is overcomed. [br] 【C18】
选项
A、scouring
B、scorning
C、scraping
D、scratching
答案
A
解析
动词辨析题。句意为:……停止搜索白雪覆盖的大地。[A]scouring“搜索,冲刷”;[B]scorning“嘲笑”;[C]scraping“擦拭,磨平”;[D]scratching“抓,挠”,故[A]符合原文意义。
转载请注明原文地址:https://tihaiku.com/zcyy/3810142.html
相关试题推荐
The______oftheflood,whichcausedthousandsofpeopletolosetheirhouses,
TheMetropolitanPolicewillnolongerdescribeblackpeopleasblack,aspar
TheMetropolitanPolicewillnolongerdescribeblackpeopleasblack,aspar
TheMetropolitanPolicewillnolongerdescribeblackpeopleasblack,aspar
TheMetropolitanPolicewillnolongerdescribeblackpeopleasblack,aspar
Culturalnormssocompletelysurroundpeople,sopermeatethoughtandacti
Thesepeoplewerearrestedfor______.[originaltext]TheIranianauthoritie
HowmanypeoplearethereinAfricainfectedwithHIV?[br][originaltext]W:Oh
HowmanypeoplearethereinAfricainfectedwithHIV?[br][originaltext]W:Oh
Wearealwaystaughttobehonestsincechildhood.However,somebelievehone
随机试题
态度的构成因素包括()A.认知 B.情感 C.意向 D.行为 E.价值
若函数f(x)在x=x0处取得极值,则下列结论成立的是( )。
法洛四联症四种畸形不包括A.主动脉骑跨 B.右心室肥厚 C.肺动脉狭窄 D
企业的核心目标是:()A.生存 B.发展 C.获利 D.扩大市场份额
患者一身面目俱黄,黄色鲜明,腹微满,口渴,小便不利,舌苔黄腻,脉沉数。治疗应选用
教学案例: (师)上课前一分钟,先请一学生在讲台上玩电子游戏(大屏幕展示给全班
A.硫黄 B.白鲜皮 C.秦皮 D.土茯苓 E.乌梅治疗梅毒,湿热疮毒,
A.嗜碱性中幼粒细胞B.早幼粒细胞C.小淋巴细胞D.中性中幼粒细胞E.嗜酸性中幼
由于考虑风险损失,许多投资人不愿把资金投向高风险的高新技术产业,这属于( )。
(2017年真题)2015年5月1日,秦某与甲房地产开发公司(以下称甲公司)签订
最新回复
(
0
)