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
Rescue Platform In the aftermath of the terrorist attacks on the World Trade Center, security experts are trying to develop
Rescue Platform In the aftermath of the terrorist attacks on the World Trade Center, security experts are trying to develop
admin
2015-08-05
74
问题
Rescue Platform
In the aftermath of the terrorist attacks on the World Trade Center, security experts are trying to develop new ways of rescuing people from burning skyscrapers. One【C1】______is a platform capable of flying vertically and hovering in the air【C2】______a helicopter. The platform would rise up and down alongside a skyscraper and pick up people【C3】______in high stories.
The idea for the vertical takeoff platform was hatched(策划)more than ten years ago by a Russian aerospace engineer, David Metreveli, who has since moved to Israel. Metreveli’s design, 【C4】______the Eagle, calls for two jet engines that【C5】______four large horizontal propellers. The spinning of the propellers【C6】______the necessary lift, or upward force, to raise the platform. The more【C7】______is supplied to the propellers, the higher the platform【C8】______. Moving the platform sideways involves【C9】______differing amounts of power to each propeller.
Helicopters are now used in some【C10】______to get people out of burning buildings. Escape baskets slung from them dangle beside the building for people to climb into. 【C11】______, the baskets cannot reach every floor of a building 【C12】______the ropes from which they hang become unstable【C13】______a certain length.
So far, Metreveli has built a small-scale model of the Eagle to【C14】______his idea. In the wake of September 11 , he has been able to secure enough funding to start building a larger , 4-meter by 4-meter prototype, 【C15】______he calls the Eaglet.
【C8】
选项
A、stays
B、rises
C、stars
D、runs
答案
B
解析
根据上下文可知,平台是要上升(rises)。故选B。
转载请注明原文地址:https://kaotiyun.com/show/rDQd777K
本试题收录于:
职称英语理工类C级题库职称英语分类
0
职称英语理工类C级
职称英语
相关试题推荐
HealthyFoodStreetsellers,particularlyindevelopingcountries,supplylargeamountsoffood(51)peopleonlowincomes.Thi
HealthyFoodStreetsellers,particularlyindevelopingcountries,supplylargeamountsoffood(51)peopleonlowincomes.Thi
HealthyFoodStreetsellers,particularlyindevelopingcountries,supplylargeamountsoffood(51)peopleonlowincomes.Thi
HealthyFoodStreetsellers,particularlyindevelopingcountries,supplylargeamountsoffood(51)peopleonlowincomes.Thi
HealthyFoodStreetsellers,particularlyindevelopingcountries,supplylargeamountsoffood(51)peopleonlowincomes.Thi
HealthyFoodStreetsellers,particularlyindevelopingcountries,supplylargeamountsoffood(51)peopleonlowincomes.Thi
Streetsellersparticularlyindevelopingcountries,supplylargeamountsoffood【H1】peopleonlowincomes.Thissectoralsoemp
随机试题
试述企业承担社会责任的必然性。
Inthispart,youarerequiredtowriteacompositionentitledOnCyberspaceSuperstars(网络明星)innolessthan120wordsaccordin
甲公司欲单独出资设立一家子公司。甲公司的法律顾问就此向公司管理层提供了一份法律意见书,涉及到子公司的设立、组织机构、经营管理、法律责任等方面的问题。请回答1-3题。关于子公司设立问题,下列说法正确的是:(卷三真题试卷第94)
服务项目生命周期过程中,提交服务成果的上一程序是()。
如果境内上市外资股公司前一次发行的股份未募足,不可以申请增发。()
在财政直接支付方式下,下年度恢复财政直接支付额度时,事业单位应借记“事业支出”等科目,贷记“财政应返还额度——财政直接支付”科目。()
Wheneveryouseeanoldfilm,evenonemadeaslittleastenyearsago,youcannothelpbeingstruckbytheappearanceofthewo
Formuchofthisweek,NewYorkhasbeencaughtupinanunstoppableheatwave.Attimeslikethis,it’shardnottoimaginethe
假定在窗体上添加了一个通用对话框控件,其名称为CD1,并有如下程序段:CD1.ShowOpenCD1.DefaultExt="doc"在打开文件的对话框中选择了"c:\file1.txt"文件,则FileTitle属性的
A、Theyblushmorereadilythanwomendo.B、They’reuncomfortablewhenperforminginfrontofadults.C、Theydon’trespondtostr
最新回复
(
0
)