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
13
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] 【C20】
选项
A、while
B、through
C、by
D、without
答案
D
解析
语义衔接题。句意为:……士兵在穿越雪地的时候就不会雪盲或迷路了。本句前半句指出使用正确的方法,那么就不会有不好的结果了,所以选择[D]without。
转载请注明原文地址:https://tihaiku.com/zcyy/3195582.html
相关试题推荐
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
Manypeoplewhoareadoptingachildexpectittobringgreatjoytotheirl
随机试题
“关键词”的选择与设置可以帮助人们理解文献的主题,并获得文献的关键信息。读者只要
公文正文后带有多个附件的,序号用阿拉伯数字标注,并对齐,附件名称后不加标点。(
小丽用记号笔把错题标示出来,便于更高效地复习。这运用了知觉的()。A.理解性
周访字士达,本汝南安城人也。汉末避地江南,至访四世。吴平,因家庐江寻阳焉。访少沉
在中小企业板块上市的股票,连续()个交易日内,公司股票通过深圳证券交易所交易系
初产妇,经助产分娩一男婴,胎盘娩出后阴道持续出血约800ml。护士采取的正确措施
典型220kV变电站现场灭火器配置表中,电缆夹层应存放的灭火器材()(
若其他条件相同,则下列关于商业银行各种流动性比率的分析,正确的有()。A.银行贷
下列关于银行本票的各项表述中,不正确的是( )。A.全国范围内通用 B.收款
物权人的物权受到侵害的,权利人可以通过()等途径解决。A.和解 B.公证 C
最新回复
(
0
)