首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Many people believe the glare from snow causes snowblindness. Yet, dark glasses or not, they find themselves 【C1】______headaches
Many people believe the glare from snow causes snowblindness. Yet, dark glasses or not, they find themselves 【C1】______headaches
admin
2010-06-26
56
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.
【C15】
选项
A、But
B、So
C、Even
D、Although
答案
C
解析
逻辑关系题。上句提到侦察兵如何为大部队创造可注视的目标;本句介绍他们自己也使用类似的方法。显然这两句之间是一种递进的关系,故选择[C]Even。
转载请注明原文地址:https://kaotiyun.com/show/pU1K777K
0
专业英语四级
相关试题推荐
Thecaseforcollegehasbeenacceptedwithoutquestionformorethanageneration.AllhighschoolgraduatesOughttogo,says
Collegecostsvaryquiteabit,dependinguponthetypeofschoolattended.Forexample,atmanyofthemoreexpensiveprivates
Thereisalwaystheheateddiscussionaboutwhichisbetter,tobemanortobeawomen.What’syouropinion.Writeacomposi
IsContinuingEdforYou?Continuingeducationisimportantforeveryonenow,inallfields.Almostassoonasyou’vecomp
Oneofthemysteriesofnatureisanimalcommunication.Creaturesoftheseamovethroughtheirliquidelementwithoutanyheara
Eachpennyandnickel______countedcarefullybythecashier.
BynextSeptemberBritney______withthisuniversityforthirtyyears.
WeiFangisn’there.She______tothereading-room.
"Ifwefailtoactnow,"saidTom,"we’llfindourselves______thislateron."
随机试题
患者女性,25岁,体检发现无症状蛋白尿,尿蛋白定量0.7g/24h,血肌酐88μmol/,L,血清补体和双肾B超检查均正常。下列检查中对诊断最有帮助的是
“我让他骗了”属于()。
[*]
有关生长因子受体,下列哪一种叙述是不正确的
术前常规禁食的主要目的是
民航对旅客登机的行李有明确规定,在下列选项中既不能随身携带,又不能托运的物品有()。
营养学中的膳食结构是指()。
反实证主义方法论的特征主要有()。
“三角形有3个角和3条相连接的边这样两个共同的本质属性,而与它们的大小、形状无关。”这属于()
A、Itwasdarkandtherewasahighsurfadvisory.B、TwoMarineswerekilledduringtraining.C、Thereasonoftheaccidentisunc
最新回复
(
0
)