首页
登录
职称英语
Mars is not, it seems, the dry old planet we once believed it to be. Astronau
Mars is not, it seems, the dry old planet we once believed it to be. Astronau
游客
2024-03-02
29
管理
问题
Mars is not, it seems, the dry old planet we once believed it to be. Astronauts who are【C1】______to go there in the next decade may find plenty【C2】______water to slake(消除)their thirst.
And with water present the【C3】______of finding some sort of life on Mars are【C4】______brighter.
This is the view of 40【C5】______all over the world who have been analyzing【C6】______of pictures and other scientific【C7】______obtained by robot explorers in the sixties and seventies.
To begin with, scientists thought the Red Planet was as【C8】______as the Moon with dust storms swirling over vast sandy【C9】______. But now the picture is very different with mountains and valleys carved by【C10】______glaciers and torrential rivers rushing and rumbling deep underground.
In a report on the【C11】______of the Martian pictures Dr. Michael Car of the U.S. Geological Survey comments, "I am【C12】______there’s lots of water on Mars." Any surface water will be in the【C13】______of ice. But it could【C14】______explorers having to take so much fresh【C15】______with them.
The report says【C16】______Mars probably had a warmer climate in ages【C17】______due to its axis having been more steeply tilted towards the Sun.
【C18】______convincing signs of plant or animal life have been【C19】______by instruments soft. landed on Mars,【C20】______only the immediate vicinity of landing vehicles could be examined. [br] 【C13】
选项
A、appearance
B、mould
C、form
D、shape
答案
C
解析
名词辨析。根据常识,冰是水的一种存在形式,所以选form。appearance意为“外表,外观”;mould意为“铸模,模子”;shape意为“外形,形状”。
转载请注明原文地址:http://tihaiku.com/zcyy/3498178.html
相关试题推荐
What’sthemaintopicofthepassage?[br]MeeraShekarbelievedthatpoorcount
【B1】[br]【B2】A、spaceB、mannedC、trueD、artificialD我们宇宙中star,planet和satellite,太
Unlesswespendmoneytospotandpreventasteroids,i.e.minorplanets,onem
Unlesswespendmoneytospotandpreventasteroids,i.e.minorplanets,onem
Unlesswespendmoneytospotandpreventasteroids,i.e.minorplanets,onem
Unlesswespendmoneytospotandpreventasteroids,i.e.minorplanets,onem
[originaltext]Inaway,allofusareonaspaceship,theplanetEarth.We
[originaltext]Inaway,allofusareonaspaceship,theplanetEarth.We
[originaltext]Inaway,allofusareonaspaceship,theplanetEarth.We
[originaltext]Inaway,allofusareonaspaceship,theplanetEarth.We
随机试题
TheancientGreeksdevelopedbasicmemorysystemscalledMnemonics.Thename
PatentsHumanbeingsarecompetitivecreatures.
安全防护、保险、信号等装置缺乏或有缺陷;设备、设施、工具、附件有缺陷;个人防护用
青霉素用中和法测定含量的原理为()。A.分子中的游离羧基与碱定量反应 B.β
面神经内耳段主要供血的动脉是A.迷路动脉的分支 B.茎乳动脉 C.脑膜中动脉
格栅钢架是由钢筋焊接加工而成的桁架式支架,其最常见的两种断面形式是()。A
肾小管上皮细胞主要利用细胞膜上的“水通道蛋白”重吸收原尿中的水分。图表示抗利尿激
下列说法符合抗凝血酶(AT)生理特点的是A:主要为内皮细胞合成B:抗凝血酶基因
()不属于案例研究法。A:案例分析法 B:个案分析法 C:工作指导法 D:
(2020年(12月)年真题)下列施工质量工作保证措施中,属于施工准备阶段应落实
最新回复
(
0
)