首页
登录
职称英语
[originaltext] The U.S. Space Agency NASA says Russia’s orbiting Mir space st
[originaltext] The U.S. Space Agency NASA says Russia’s orbiting Mir space st
游客
2025-01-02
29
管理
问题
The U.S. Space Agency NASA says Russia’s orbiting Mir space station has lost its primary and backup oxygen sources. If the problem is not fixed, the 3-mernber crew would have to abort the mission. But, a Russian space official in Moscow told Rueters News Agency that only the primary generator developed trouble and that the unit was repaired by the crew. More about the latest problem on board the space station from VOA’s Nick Simming.
"The U.S. Space Agency says Mir’s two primary sources of oxygen have stopped working and now there is only several day’s supply of oxygen inside Mir’s cabin. Mir’s backup oxygen generating candles failed Monday just after the normal oxygen supply system used by the spacecraft unexpectedly shut down. That normal oxygen source, a method that extracts oxygen from water, had been turned off for several days to conserve energy heated and automatically shut down. NASA’s spokesman Michael Brock Hais says if Mir’s oxygen supply problem is not fixed soon, the two Russians and one American on board will have to abort. This problem is the most serious to plague the space station which has endured power loss, computer malfunction and even a collision with a supply vessel all in the past six months. Nick Simming VOA News, Washington."
选项
A、one, one
B、one, two
C、two, two
D、two, one
答案
D
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3894985.html
相关试题推荐
[originaltext]Host:Everylanguagehasaphrasefor"thankyou".It’sasentime
[originaltext]A14-year-oldAmericangirlwasstabbedandkilledinaquiet
[originaltext]OfficialsinThailandsayatleast93peoplehavebeenkilled
[originaltext]OfficialsinThailandsayatleast93peoplehavebeenkilled
[originaltext]It’saMatterofAttitudeA:UntilIwas10
[originaltext]It’saMatterofAttitudeA:UntilIwas10
[originaltext]It’saMatterofAttitudeA:UntilIwas10
[originaltext]TheU.S.lawmakerswitnessedinterrogations,touredcellblocks
[originaltext]ThenotoriousYasukuniShrineinTokyoonSaturdaymadefallac
[originaltext]ThenotoriousYasukuniShrineinTokyoonSaturdaymadefallac
随机试题
Mostchildrenwithhealthyappetitesarereadytoeatalmostanythingthati
在一个寒冷的冬天里,和朋友或者家人在一起吃喜欢的火锅是最惬意的事情。传统的中国火锅包括一个木炭火炉,中间是一个烟囱,四周有热水环绕。火锅在中国北方已经有10
“舟必漏而后入水,土必湿而后苔生”说明()。A.要努力实现自身的社会价值 B
A.震荡 B.捻发音 C.细震颤(猫喘) D.心尖部抬举性冲动 E.心前
预算定额中机械台班消耗量确定分为以使用机械为主项目和配合工人班组工作项目。配合工
阴道毛滴虫的传播途径是( )。A.血液传播 B.母婴传播 C.经口传播
下列情形中,没有追认为革命烈士的,经县、市、市辖区人民政府审查批准,可以追认为革
既能消食健胃,又能涩精止遗的药物是A.谷芽 B.鸡内金 C.山楂 D.莱菔
记忆障碍在脑器质性精神障碍的早期主要表现为A.顺行性遗忘 B.逆行性遗忘 C
某企业变动制造费用的标准成本为20元/件,固定制造费用的标准成本为30元/件,甲
最新回复
(
0
)