首页
登录
职称英语
At the first sight the planet Mars does not appear very welcoming to 【
At the first sight the planet Mars does not appear very welcoming to 【
游客
2023-09-10
25
管理
问题
At the first sight the planet Mars does not appear very welcoming to 【S1】______.
any kind of life. It has very little oxygen and water, the temperature at
night is below -50 degrees and winds of 100 miles per hour cause severe
dusty storms. However, the surface of the planet seems to show that 【S2】______.
water flowed across at some time in the past, and it is believed that there 【S3】______.
is enough ice at the poles to cover the planet with water if il melts. 【S4】______.
Although there is no life on Mars. some scientists think that there may
have some form of life a long time ago. At that time, the planet had active 【S5】______.
volcanoes; the atmosphere was thinner and warmer; and there was water. 【S6】______.
In fact, in some ways Mars may have been different to earth, where life 【S7】______.
exists.
Some people believe that Mars could support life in the future if the
right conditions were produced. The first step would be to warm the
planet used certain gases which trap the sun’s heat in the planet’s 【S8】______.
atmosphere. By warmth, water and carbon dioxide, simple plants could 【S9】______.
begin to grow, These plants could slowly make Mars habitable. It is
established that the whole process might spend between 100,000 and 200,000 【S10】______.
years. In the meantime, people could begin to live on the planet in special
closed environments. They would provide a lot of useful information about
conditions on Mars and the problems connected with living there. [br] 【S4】
选项
答案
melts→melted
解析
根据常识以及我们现在掌握的科技知识,我们并不确定火星两极的冰有没有融化,本文只是作了一个假设而已。
转载请注明原文地址:https://tihaiku.com/zcyy/3002731.html
相关试题推荐
_________________________(你一给某人发送私人信息)thanitappearedonthatperson’sscreen
Thediscoveryofplanetsarounddistantstarshasbecomelikespace-shuttlel
[originaltext]M:ElizabethVega’smockindictmentappearsinanewbookentitl
[originaltext]M:ElizabethVega’smockindictmentappearsinanewbookentitl
[originaltext]M:ElizabethVega’smockindictmentappearsinanewbookentitl
Inourlife,thereoftenappearsamostinfluentialpersonwhoitishardfo
Inourlife,thereoftenappearsamostinfluentialpersonwhoitishardfo
Inourlife,thereoftenappearsamostinfluentialpersonwhoitishardfo
Inourlife,thereoftenappearsamostinfluentialpersonwhoitishardfo
Inourlife,thereoftenappearsamostinfluentialpersonwhoitishardfo
随机试题
ThelecturerexplainedtheWaterGatescandalvigorously______andeverystuden
FrenchCultureFrenchculturehasbeenknownfortheresilienceofitspeoplean
Morethanthreedozenbillionaires,includingwell-knownphilanthropist(慈善家)
关于路基工程环境保护监理要点,正确的有( )。A.在路基工程开工前,应审批建设
()被认为是整部芭蕾发展史上的核心阶段。A.浪漫主义芭蕾 B.古典主义芭蕾
下列选项中,通过“应收票据”核算的是()。[2019年真题]A.签发银行本票
与危重病人尿潴留的发生有关的是A.长期卧床 B.认知受损 C.膀胱逼尿肌痉挛
建筑业总产值包括()。A.建筑工程产值 B.设备安装工程产值 C.房屋、构筑
银行承兑汇票的承兑银行,应当按照票面金额向出票人收取()的手续费。A:千分之一
乙未经授权,却以甲代理人的名义与丙签订了买卖合同。乙以甲代理人的名义与丙签订的买
最新回复
(
0
)