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
专升本
A few centuries ago, people looked at the birds and wondered what it would be like to fly like them. There were stories of heroe
A few centuries ago, people looked at the birds and wondered what it would be like to fly like them. There were stories of heroe
admin
2019-05-17
49
问题
A few centuries ago, people looked at the birds and wondered what it would be like to fly like them. There were stories of heroes who glued bird feathers on their arms and flew up into the sky. About 500 years ago, some people dreamed a different dream. Instead of flying up to the sky, they dreamed of falling from the sky!
In the 15th century, Italian inventors designed a cone-shaped (锥形的) device that was supposed to bring a man down safely from a great height. The operator held on to a handle with a strap strapped to his waist. This was the first known design for a parachute(降落伞).
Even the great inventor Leonardo da Vinci sketched a type of parachute. His parachute design was in the shape of a pyramid (金字塔). Other inventors also sketched their own designs for a parachute. Unfortunately, these were only designs on paper and no one tested them.
A Croatian inventor named Fausto Veranzio looked at Leonardo da Vinci’ s parachute design and replaced the pyramid shape with one that looked like a sail from a ship. When Veranzio was 65 years old, he fell ill. Thinking he would not live longer, he decided to try out his parachute invention. He built his parachute using wood and cloth. Strapping his invention to his waist, he jumped off the tall bell tower in his city. He landed safely! He was supposedly the first man to successfully use a parachute. However, some other people thought this story was not true. If that was the case, then the first person to successfully use a parachute would go to a Frenchman named Louis-Sebastien Lenormand in 1783.
The first known parachute was designed by______.
选项
A、Frenchmen
B、Italians
C、Croatians
D、Englishmen
答案
B
解析
根据第二段第一句“…Italian inventors designed a cone-shaped device that…”和最后一句“This was the first known design for a parachute.”可知,第一个为人 所知的降落伞是由意大利发明家设计的。故选B。
转载请注明原文地址:https://kaotiyun.com/show/OlJC777K
本试题收录于:
英语题库普高专升本分类
0
英语
普高专升本
相关试题推荐
Waterwillcontinuetobe_____itistodaynextinimportancetooxygen.
A.草原上发生了许多事情,他——她的父亲并不知道。B.他们正在为实现一个理想而努力,这个理想是每个中国人所珍爱的,在过去,许多中国人为了达到这个理想而牺牲了自己的生命。C.整天躲在云层里的太阳,现在光芒四射。D.但更为重要的是,这是科学家们所能观察到
A.Onbehalfofthecompany,Iwouldliketothankyouforallyouhavedone.B.Itiswhatwedoandwhatwedonotdothatdet
________difficultieswemaycomeacross,we’llhelponeanothertoovercomethem.
A.Histaskistoensurethefairuseandstorageofpersonalinformationheldincomputer.B.Andthatlatertheyagreeduponc
A.如果发动机要长时间停机,我们建议采取以下措施以防止发动机生锈。B.宾馆如同设施齐全的社区,为顾客提供其在家庭和社区期望能得到的所有服务。C.就海外投资能否成功地获取高额利润而言,关键在于应该把资金投到哪个国家。D.众所周知,贸易和专门化相辅相成,
Americanssufferfromanoverdoseofwork.Regardless【C1】______whotheyareorwhattheydo,Americansspend【C2】______timeatwo
Itisessentialthatallthesefigures______twice.
A、At7:00.B、At7:30.C、At8:00.D、At6:30.A本题是对时间进行提问。根据录音“…wouldyouwakemeupat7:00tomorrow?”可知,男士想在七点钟起床。故选A。
随机试题
一女性患者,28岁,结婚5年。婚后半年妊娠,因故于妊娠16周时行水囊引产术,术后阴道流血1个月干净。此后有腰酸,下腹痛,4年来未避孕,亦未妊娠。体温37度。妇科检查:宫颈光滑,子宫后位,正常大小,活动度差,左侧附件触及一腊肠样囊性肿块,不易推动,轻压痛。最
宫颈癌临床分期:宫颈癌临床分析有明显宫旁浸润,未达盆壁侵犯阴道下1/3宫旁浸润未达盆壁
香港特别行政区长官在何种情况下必须辞职?()
如图4—2—10所示,曲柄OA长40cm,以等角速度ω=0.5rad/s绕O轴逆时针转动。由于曲柄的A端推动水平板B,而使滑杆C沿铅直方向上升。当曲柄与水平线间的夹角θ=30°时,滑杆C的加速度为()。
银行业从业人员的下列行为中正确的是()。
依法治国的主体是()。
每个物流成本标的(成本核算对象)消耗各作业中心成本的动因,或者说是期末将每个作业中心成本总额分配给成本核算对象的依据是()。
禅让制
构成计算机软件的是
Whichofthefollowinghasmostprobablybeendiscussedin’theformerparagraphofthispassage?Toomuchtourismcancauseal
最新回复
(
0
)