任务一 完形填空
阅读下面的短文,从每题所给选项中选出可以填入空白处的最佳选项。
Space exploration has always pushed human limits. For centuries, humans have looked up at the sky and dreamed of
other planets. In recent years, Mars has become the focus of our space efforts, as it is the planet most
to earth in many aspects.
Many people call Mars the "Red Planet"
its reddish surface. NASA's Perseverance rover successfully
on Mars in 2021. Its main
is to search for signs of ancient microbial life(微生物) and
if Mars was ever able to support life.
The rover has travelled across Jezero Crater,
rock samples and
useful data back to earth. It is equipped with advanced scientific tools to help with its
. It can analyse the
of rocks, look for water traces(痕迹), and even test for organic matter that may
life.
Every discovery helps scientists piece together Mars's
climate and geological history. Exploring Mars is not an easy task. The rover faces extreme temperatures, strong radiation(辐射), and rough terrain.
, engineers have designed it carefully to
these challenges.
Scientists around the world hope that one day humans will
on Mars. This exploration not only expands our knowledge of the solar system but also inspires us to dream bigger and reach further into the universe.
(
) 1. A. visiting B. building C. protecting D. controlling
(
) 2. A. similar B. close C. important D. familiar
(
) 3. A. as for B. because of C. instead of D. according to
(
) 4. A. fell B. landed C. arrived D. reached
(
) 5. A. dream B. goal C. chance D. plan
(
) 6. A. doubt B. wonder C. question D. find out
(
) 7. A. collecting B. making C. inventing D. breaking
(
) 8. A. sending B. storing C. checking D. sharing
(
) 9. A. message B. task C. show D. test
(
)10. A. weight B. colour C. composition D. shape
(
)11. A. live B. meet C. support D. believe
(
)12. A. present B. future C. recent D. past
(
)13. A. Besides B. Therefore C. However D. Otherwise
(
)14. A. avoid B. overcome C. find D. create
(
)15. A. live B. work C. land D. travel
