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
考研
On the surface, Mars is the picture of desolation. A barren land remains【C1】______for hundreds of millions of years, motionless【
On the surface, Mars is the picture of desolation. A barren land remains【C1】______for hundreds of millions of years, motionless【
admin
2020-03-21
80
问题
On the surface, Mars is the picture of desolation. A barren land remains【C1】______for hundreds of millions of years, motionless【C2】______the scattering of powdery dust by a faint breeze. But perhaps just【C3】______the Martian soil, the picture is very different.
New evidence suggests the presence of a lake one mile beneath the ice-coated surface of Mars’s south【C4】______, according to new research published Wednesday in Science. Scientists say the lake【C5】______20 kilometers across, and is one meter in【C6】______The findings, if【C7】______, would mark the detection of the largest body of【C8】______water on Mars today.
The data comes from Mars Express, a European spacecraft that【C9】______Mars for 15 years.【C10】______a high-resolution camera snapped stunning images of the surface, a radar instrument probed what was【C11】______underground.
The instrument—the Mars Advanced Radar for Subsurface and Ionosphere Sounding, or MARSIS【C12】______—emits radio waves toward the planet. The waves penetrate the Martian surface and bounce off【C13】______material they come in contact with, then reflect back to the spacecraft. MARSIS【C14】______the echoes of the radio waves, which scientists can then【C15】______to decipher the composition of the subsurface.
Starting in May 2012, MARSIS【C16】______more than three years pinging a region at Mars with radio waves.【C17】______helps to look at the data yourself. In addition to an illustration that shows how Mars Express【C18】______Mars, the image【C19】______what’s called a radargram, a picture of different materials, molded out of radio waves. The thick, gray line at the top is the planet’s surface. The squiggles below that are a【C20】______of ice and dust.
【C17】
选项
A、It
B、What
C、You
D、We
答案
A
解析
语义分析题。该空在此句中作主语,根据选项可知该空为代词,联系上下文,只有it符合句意,即“它有助于你自己去看数据”,it指代上文的MARSIS。故答案为[A]。
转载请注明原文地址:https://kaotiyun.com/show/GnY4777K
0
考研英语二
相关试题推荐
Einstein,likeothergreatphysicistsbeforehim,workedoutnewtheoriesthatchallengeour______conceptoftheuniverse.
TheoutbreakofswinefluthatwasfirstdetectedinMexicowasdeclaredaglobalepidemiconJune11,2009.Itisthefirstworld
EveryspringmigratingsalmonreturntoBritishColumbia’sriverstospawn.Andeveryspringnewreportsdetailfreshdisasters
WholesalepricesinJulyrosemoresharplythanexpectedandatafasterratethanconsumerprices,【1】thatbusinesseswerestill
WholesalepricesinJulyrosemoresharplythanexpectedandatafasterratethanconsumerprices,【1】thatbusinesseswerestill
MillionsofAmericansandforeignersseeG.I.Joeasamindlesswartoy,thesymbolofAmericanmilitaryadventurism,butthat’
MillionsofAmericansandforeignersseeG.I.Joeasamindlesswartoy,thesymbolofAmericanmilitaryadventurism,butthat’
Readthefollowingtextandanswerquestionsbyfindinginformationfromtherightcolumnthatcorrespondstoeachofthemarked
Readthefollowingtextandchoosethebestanswerfromtherightcolumntocompleteeachoftheunfinishedstatementsinthele
ReadthefollowingtextandanswerthequestionsbychoosingthemostsuitablesubheadingfromthelistA-Gforeachnumberedpa
随机试题
A.温胆汤B.茯苓丸C.滚痰丸D.小陷胸汤E.清气化痰丸胸脘痞闷,喘咳痰稠,大便秘结,或惊悸癫狂,舌苔黄厚,脉滑者,治宜选用
某电影院位于某地下人防工程(该地下人防工程建筑地下二层的室内地面与室外出入口地坪之间高差为9m)的地下二层,建筑面积为4200m2,设有1个建筑面积为600m2的大观众厅,7个建筑面积均为300m2的小观众厅。该电影院共划分6个防火分区,其中大厅、售票厅、
风险补偿的形式不包括()。
______为秦国的南大门,位于陕西丹风县,和______、______、______并称“秦之四塞”。
尘埃落定白落梅①在世人眼里,林徽因和梁思成又何尝不是郎才女貌,一起留洋深造,一起用现代科学方法研究中国古代建筑。只是那些爱做梦的青年,始终认为林徽因和徐志摩才是最般配的一对。年少的他们不知道现实有多么的酷冷,诗情画意只能偶尔地点
课堂情境结构包括哪些内容?
下列程序执行后的输出结果是()。voidfuncl(inti);voidfunc2(inti);charst[]="hello,friend!”;voidfuncl(int
WhichofthefollowingisNOTtrueaccordingtothepassage?Whatismentionedasaconsiderationinbuyingadog?
A、Domesticviolence.B、Drugoverdoses.C、Highestdiabetesrate.D、Highercaloricintake.B本题问的是文中提到了什么致命伤害的风险。短文中提到,报告中指出美国人更可能由
A、Herbrotherwasnotacceptedintolawschool.B、Shedoesn’twanttobeacriminallawyer.C、Shehasdecidednottogotolaws
最新回复
(
0
)