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
Avalanche and Its Safety An avalanche is a sudden and rapid flow of snow, often mixed with air and water, down a mountainsid
Avalanche and Its Safety An avalanche is a sudden and rapid flow of snow, often mixed with air and water, down a mountainsid
admin
2016-07-17
31
问题
Avalanche and Its Safety
An avalanche is a sudden and rapid flow of snow, often mixed with air and water, down a mountainside. Avalanches are【C1】______the biggest dangers in the mountains for both life and property.
All avalanches are caused by an over-burden of material, typically snowpack, that is too massive and unstable for the slope【C2】______supports it. Determining the critical load, the amount of over-burden which is【C3】______to cause an avalanche, 【C4】______a complex task involving the evaluation of a number of factors.
Terrain slopes flatter than 25 degrees or steeper than 60 degrees typically have a low 【C5】______of avalanche. Snow does not【C6】______significantly on steep slopes; also, snow does not【C7】______easily on flat slopes. Human-triggered avalanches have the greatest incidence when the snow’s angle of rest is【C8】______35 and 45 degrees; the critical angle, the angle at which the human incidence of avalanches is greatest, is 38 degrees. The rule of thumb is: A slope that is【C9】______enough to hold snow but steep enough to ski has the potential to generate an avalanche, regardless of the angle. Additionally, avalanche risk increases with 【C10】______; that is, the more a slope is disturbed by skiers, the more likely it is that an avalanche will occur.
Due to the complexity of the subject, winter travelling in the backcountry is never 100% safe. Good avalanche safety is a continuous【C11】______, including route selection and examination of the snowpack, weather【C12】______, and human factors. Several well-known good habits can also 【C13】______the risk. If local authorities issue avalanche risk reports, they should be considered and all warnings should be paid 【C14】______to. Never follow in the tracks of others without your own evaluations; snow conditions are almost certain to have changed since they were made. Observe the terrain and note obvious avalanche paths where plants are 【C15】______or damaged. Avoid travelling below others who might trigger an avalanche.
【C10】
选项
A、use
B、time
C、snow
D、rain
答案
A
解析
句中的that is表明,后半部分是对前半部分的进一步说明。所以,这里的选择要根据下文的意思判断。use是最佳选择,整个句子的意思是:山坡被滑雪者使用得越多,雪崩就越有可能发生。
转载请注明原文地址:https://kaotiyun.com/show/WbLd777K
本试题收录于:
职称英语理工类B级题库职称英语分类
0
职称英语理工类B级
职称英语
相关试题推荐
HowTwoGreatConflictsHelpedtoChangeEuropeNinetyyearsagoonasunnymorninginNorthernFrance,somethinghappenedt
HowTwoGreatConflictsHelpedtoChangeEuropeNinetyyearsagoonasunnymorninginNorthernFrance,somethinghappenedt
IQ-geneIntheangrydebateoverhowmuchofIQcomesfromthegenesthatchildreninheritfromparentsandhowmuchcomesf
ScienceandTechnologyThereisadifferencebetweenscienceandtechnology.【B1】______Sciencehastodowithdiscoveringth
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
CulturalDifferencesPeoplefromdifferentculturessometimesdothingsthatmakeeachotheruncomfortable,sometimeswithou
Doctorsstronglyrecommendthatfathersshouldbepresentattheirbaby’sbirth.
LookingtotheFuture—2040Doyouforgettoturnoffthelightsandheaterswhenyougooutofaroom?In2040itwillnot
MindThoseMannersontheSubwaySo,thereyouare,justsittingthereinthesubwaycar,enjoyingthatbookyoujustbought
随机试题
下列关于慢性血吸虫病虫卵结节的叙述,错误的是
2012年6月20日,某区人民法院根据甲的申请,向乙发出了支付令。7月8日,乙打电话给法院称自己现在无偿付能力,特向法院提出异议,书面异议将于次日送交法院,同时乙到其他人民法院起诉甲。人民法院接到甲的申请书后,应当依法主要审查以下哪几个方面内容?(
关于具体行政行为的效力,下列哪些说法是正确的?
地下土层构造为砂土和淤泥质土,地下水位线距地面0.7m,采用桩基础应选择哪种灌注桩?
2009年1月25日某日化厂(小规模纳税人)通过自设非独立核算门市部以出厂价销售一批自产化妆品,开具普通发票上注明销售额50000元,成本30000元,成本利润率为5%,消费税率30%,其计征消费税的销售额应为30000×(1+5%)÷(1-30%)=45
导游人员的聚谈艺术——认真倾听体现在:()。
资料1深圳聚成企业管理顾问公司董事长刘松琳昨天通过微博爆料称,其一位朋友近日在LV店花8000多元购买了一件衬衣,但第一次还只穿了几小时,没有洗,就发现破了一个洞。更郁闷的是,他发现在衬衣其他完好部位用手轻轻一撕也会导致裂开。随后,其朋友前往购买店铺
阅读下文,回答下列问题。“腾笼换鸟”是几年前我国一些沿海地区根据当地经济发展状况和国家转变经济发展方式大战略提出的区域经济战略。由于国际金融危机冲击和经济形势变化,这一战略没有来得及全面实施。有人质疑“腾笼换鸟”脱离我国的优势,迟滞地区经济发展。近年来,
所谓的“新闻”,不再是国家社会的大事,甚至传统上所谓的“碎嘴话题”或各种绯闻也成了重要新闻,英美的主要报纸如《泰晤士报》《纽约时报》等,碎嘴新闻或绯闻的比例也在增加,尤其是电视媒体或各种社交电子媒体,它们的比例更高。特别是演艺圈的名人活动更成了新闻广告不分
(1)在考生文件夹下有一个工程文件sjt3.vbp,窗体中有两个控件数组,一个名称为Text,含有三个文本框;另一个名称为Cmd,含有三个命令按钮,且“暂停”按钮的初始状态为不可用。如图1-219所示。请画一个计时器Timer1,设置时间间隔为1秒,初始状
最新回复
(
0
)