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
2023-07-30
31
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] 【C5】
选项
A、biologists
B、geologists
C、sociologists
D、psychologists
答案
B
解析
名同辨析。根据常识,研究火星的应是geologist(地质学家)。biologist意为“生物学家”;sociologist意为“社会学家”;psychologist意为“心理学家”。
转载请注明原文地址:https://tihaiku.com/zcyy/2881910.html
相关试题推荐
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
ACoolerPlanetScientistsarecookingupsolution
ACoolerPlanetScientistsarecookingupsolution
随机试题
SevenTypesofEvidenceItisimportanttolearntous
[originaltext]W:Here’smyInternationalDriver’sLicense,andhowmuchisasp
[originaltext]Manypeoplecatchacoldinthespringtimeorfall.Itmakes
Theword"childish"containstwoA、phonemes.B、morphs.C、allomorphs.D、morphemes.
为保证食品安全,《食品安全法》规定了()A.食品安全风险监测制度 B.食品
自肺开始叩诊肝脏相对浊音界时其叩诊音应是A.由清音转为实音 B.由浊音转为实音
各种运输方式内外部的各个方面的构成和联系,就是( )。 A.运输系统
能解痉的药是A.香薷 B.羌活 C.防风 D.荆芥 E.细辛
某行业所面临的劳动力供给弹性为0.6,如果该行业的市场工资率上涨2%,则该行业的
根据企业所得税法律制度的规定,下列各项中,属于转让财产收入的有()。A.转让股权
最新回复
(
0
)