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
Some people, in all seriousness, say that humans will be living in space within the next hundred or so years. Planet Earth will
Some people, in all seriousness, say that humans will be living in space within the next hundred or so years. Planet Earth will
admin
2010-07-14
43
问题
Some people, in all seriousness, say that humans
will be living in space within the next hundred or so
years. Planet Earth will be crowded, dirty and lack of 【S1】______
resources. A sort of exodus (移居) of mankind will
begin.
Spaceships will be assembled so that they revolve
around the earth. Some may orbit around Mars. These
space stations will be serviced by space buses. We saw
the first space bus launch in April 1981. This was 【S2】______
"Columbia", it made several orbits around the earth and 【S3】______
then returned, landing on a huge dry lake bed in
California. "Columbia" will be used again. Previous
spaceships have been abandoned, only the nose cone
being used to bring the crews back to earth. 【S4】______
Upon established, each space station will generate 【S5】______
its own atmosphere and have its own agriculture. It will
need to rotation to provide an artificial gravity; people 【S6】______
will be forced inwards from the centre by centrifugal 【S7】______
(离心力) force.
The moon and Mars could become new sources of
new materials. Driving through space will no longer 【S8】______
need Earth fuel—the energy would come from the
sun. This energy would be converted from electricity to 【S9】______
work magnetic rockets.
That all sounds quite fantastically but, with the 【S10】______
rapid development of modern technology, who knows
about what the future holds?
【S1】
选项
答案
lack→short
解析
转载请注明原文地址:https://jikaoti.com/ti/peFMFFFM
0
大学英语六级
相关试题推荐
A、Jackvacuumedthelivingroombutnotthebathroom.B、Jackcleanedthebathroombutnotthelivingroom.C、Jackcleanedneithe
TheEnglish【B1】______settlementsinNorthAmericabeganinthe17thcenturywhenWesternEuropewas【B2】______greatchanges
ThestudyfoundthatcigarettesmokingamongAmerican【36】______droppedduringthepastyear.Thedropcontinuesageneraldecre
ThestudyfoundthatcigarettesmokingamongAmerican【36】______droppedduringthepastyear.Thedropcontinuesageneraldecre
ThestudyfoundthatcigarettesmokingamongAmerican【36】______droppedduringthepastyear.Thedropcontinuesageneraldecre
A、Motorvehicleswereconstantlyarrivingordeparting.B、Tastyfood.C、Acomfortable,medium-sizedhotel.D、Old-fashionedse
Theaboveexperimentshowsthatnotalltheinformationwhichisreceivedcanberetainedforevenasecond.Theinformati
A、Workers.B、Students.C、Engineers.D、Businessmen.B身份题,对话所讨论的是校园网络。很明显双方都是学生。
随机试题
一般认为,政府发行的短期国库券利率的组成部分包括__________、__________。
腹腔积液的体征有
慢性支气管炎合并肺气肿时主要的临床表现是()。
A.疼痛常因吞咽、讲话而引起B.疼痛常由于咀嚼、大张口时诱发C.持续性剧痛,夜间加剧D.疼痛常伴有耳颞区皮肤发红、多汗、唾液分泌及颞浅动脉搏动增加E.骤然发生的闪电样剧烈疼痛,持续时间较短,夜间减弱或消失颞下颌关节紊乱病疼痛的特点是
城市道路交通标志分为()类标志。
某工程计划中,A工作的持续时间为5天,总时差为7天,自由时差为3天,如果A工作实际进度拖延10天,那么会影响工程计划工期()。
记账凭证是登记总账的依据,原始凭证是登记明细账的依据。()
下列各项中,属于审计委员会的职责有()。
村民委员会不及时公布应当公布的事项或者公布的事项不真实的,村民有权向()反映,有关政府机关应当负责调查核实,责令公布;经查证确有违法行为的,有关人员应当依法承担责任。
Thehumanvoiceoftensounds________inthetelephone.
最新回复
(
0
)