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
The first flight of the Space Shuttle Columbia in the spring of 1981 was a revolutionary development in space【B1】______. Un
The first flight of the Space Shuttle Columbia in the spring of 1981 was a revolutionary development in space【B1】______. Un
admin
2013-04-08
26
问题
The first flight of the Space Shuttle Columbia in the spring of 1981 was a revolutionary development in space【B1】______. Unlike the rockets of the previous 20 years, Columbia has the【B2】______advantage of being specially designed to return to earth and make【B3】______flights. Among the large number of projects scientists are【B4】______for its future use, the most exciting, perhaps, is that the first steps can now be taken towards【B5】______human【B6】______in space. The present Space Shuttle can only stay in space for about a week, but it could take people out to【B7】______ "islands" where they stay for longer periods. By the year 2050, scientists estimate that man will be able to construct permanent【B8】______
The first "islands" would be energy stations.【B9】______. However, if the original could【B10】______, allowing the Space Shuttle to refuel and stay in orbit longer periods of time.
If this initial project was successful, much larger solar energy stations would be constructed later with materials brought out by the Shuttle.
【B11】______.
【B7】
选项
答案
build
解析
转载请注明原文地址:https://kaotiyun.com/show/Utr7777K
0
大学英语四级
相关试题推荐
Themissilemissedthe______by1,500metersatitsfirstexperimentalflight.
Youdon’tfindmanypeoplethesedayswhowouldkeepabeeintheirpurse.Butcatchingthefirstbeeseeninthespringwasonc
Youdon’tfindmanypeoplethesedayswhowouldkeepabeeintheirpurse.Butcatchingthefirstbeeseeninthespringwasonc
A、Totesttheroleofenvironmentinthedevelopmentofintelligence.B、Becausetheirparentsweretoopoortosupportthem.C、B
A、Springandfall.B、Winterandspring.C、Winterandsummer.D、Fallandwinter.A
随机试题
IthinkI’dliketostayathomethisevening______goout.
通过细胞核内受体发挥作用的激素是
发包人根据工程的实际需要确需修改建设工程勘察、设计文件时,应当首先( )。
某公司拟出售一处房产,购买方提出三种付款方案:(1)从现在起,每年年初支付200万,连续支付10次,共2000万元;(2)前4年不支付,从第五年开始每年末支付250万元,连续支付10次,共2500万元;(3)前4年不支付,从第
下列各项中属于接受风险的措施的有()。
SometimebetweendigestingChristmasdinnerandputtingyourheadbackdowntowork,spareathoughtortwoforthecranberry.
数据库中有“商品”表如下:要查找出单价高于“0112”号的商品记录,正确的SQL命令是()。
Thetorchwas______byafamousathleteattheopeningofthesportmeeting.
Facebook—withitsrequirementthatusers(1)_____atleast13—andTwitterareindeedgearedtowardolderteenagersandadults.P
A、Theythinkhighlyofthemselvescomparedwithmen.B、Theyarelesscompetentthanmen.C、Theylackself-confidencecomparedwi
最新回复
(
0
)