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
2023-11-17
55
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] 【C3】
选项
A、However
B、Therefore
C、Rather
D、Consequently
答案
C
解析
逻辑关系题。上句指出“白雪反射的光并不是导致雪盲的原因”;本句指出雪盲的真正原因。分析两句之间的逻辑关系,应该填入[C]Rather“而是”。
转载请注明原文地址:http://tihaiku.com/zcyy/3195565.html
相关试题推荐
Noonebelieveswhatthenewdirector______tohaveachieved.A、declaresB、confi
Whomthebellwasnamedafteraccordingtomostpeople?[br][originaltext]
Whomthebellwasnamedafteraccordingtomostpeople?[br][originaltext]
ManypeopleinvestinthestockmarkethopingtofindthenextMicrosoftan
ManypeopleinvestinthestockmarkethopingtofindthenextMicrosoftan
ManypeopleinvestinthestockmarkethopingtofindthenextMicrosoftan
ManypeopleinvestinthestockmarkethopingtofindthenextMicrosoftan
ManypeopleinvestinthestockmarkethopingtofindthenextMicrosoftan
ManypeopleinvestinthestockmarkethopingtofindthenextMicrosoftan
ManypeopleinvestinthestockmarkethopingtofindthenextMicrosoftan
随机试题
Throughoutthenation’smorethan15,000schooldistricts,widelydiffering
大型群众性活动的场所管理者需要具体负责的安全事项有()A.保障监控设备和消防设施
决策树分析法通常用决策树图表进行分析,根据下表的决策树分析法计算,图中机会节点的
不同时含有感觉、运动两种纤维的是:()A.脊神经 B.前支 C.前根
“盐铁部偏重于征商税和禁榷收入,户部偏重于田赋和榷酒收入,度支部负责财政支出。”
异羟肟酸铁反应的机制最终是()。A.共轭链加长B.形成金属络合物C.开环D.氧
A.思维过程异常 B.进食自理缺陷 C.有感染的危险 D.低效性呼吸型态
案例三: 资料:求助者,女性、35岁,本科学历,公务员,己婚、 案例介绍:求
目前我国金融资产管理公司有( )。A.信达资产管理公司 B.长城资产管理公
填隙碎石可用于()。A.一级公路底基层 B.一级公路基层 C.二级公路底基层
最新回复
(
0
)