首页
登录
职称英语
For thousands of years comets had been a mystery to
For thousands of years comets had been a mystery to
游客
2024-02-24
48
管理
问题
For thousands of years comets had been a mystery to 【M1】______
man. They travel across the sky very fast and have a
bright ’tail’ of burnt gas. The comet Tempel I has an 【M2】______
orbit far outside the orbit of the furthest planet in our
solar system, Pluto. It has had been there for 4.6 billion years, 【M3】______
133 million kilometres from Earth. Last week
a little American spacecraft crash into Tempel 1. 【M4】______
The spacecraft had a camera and it took a photograph
of the comet every minute after it finally crashed into 【M5】______
its surface. The space mission to Tempel 1 cost $ 335
million and was called Deep Impact. Spacecraft was 【M6】______
travelling at 37,000 kilometres per hour when it hit the comet
and the crash completely destroying the spacecraft. But before 【M7】______
it hit the comet, the spacecraft took some amazingly photographs. 【M8】______
The last one was a close up picture the spacecraft spent 【M9】______
just 3 seconds time before it crashed into the comet. 【M10】______ [br] 【M4】
选项
答案
crash改成crashed
解析
考动词时态,一般过去时。此句中有明显的时间标志last week,所以主动词应该用一般过去时。
转载请注明原文地址:http://tihaiku.com/zcyy/3478444.html
相关试题推荐
Buildingafterbuildingunderwater.【B1】______inshelters.Thousandsofothe
Buildingafterbuildingunderwater.【B1】______inshelters.Thousandsofothe
Buildingafterbuildingunderwater.【B1】______inshelters.Thousandsofothe
Buildingafterbuildingunderwater.【B1】______inshelters.Thousandsofothe
Buildingafterbuildingunderwater.【B1】______inshelters.Thousandsofothe
Buildingafterbuildingunderwater.【B1】______inshelters.Thousandsofothe
[originaltext]Crosswaswhatpeoplecallamysteryman.Wehadknownhimfo
[originaltext]Penurywaswhatpeoplecalledamysteryman.Wehadknownhim
[originaltext]Penurywaswhatpeoplecalledamysteryman.Wehadknownhim
Forthousandsofyearscometshadbeenamysteryto
随机试题
[originaltext]W:Wehaven’thadanythingfunforalongtime.Howaboutgoings
Thepassagemainlydealswithhowforeignteachersshouldtrytogetmorepaidw
[originaltext]INTERVIEWER:ProfessorMcKay,canyoutellmewhatyouthinkyour
Yearsago,doctorsoftensaidthatpainwasanormalpartoflife.Inpartic
在城市轨道交通系统中,地铁系统按照客运能力划分,又可分为高运量地铁和大运量地铁,
上颌前磨牙与下颌前磨牙区别中哪一点是错误的A.上颌前磨牙的牙冠靠近牙体长轴颊侧
根据《建设工程监理规范》,监理日志应包括的内容有()。A.旁站情况 B.
(2015年)大气环境影响预测中,用于计算烟气出口速度的烟气量是()。A.标态
患者女,30岁。近2个月出现颊部蝶形红斑,中度发热,全身肌痛,四肢关节肿痛,口腔
A.炼钢、炼铁作业 B.建筑、修路夏季施工 C.印染、纺织工业 D.印刷行
最新回复
(
0
)