CAE Reading and Use of English Part 1
For questions 1-8, read the text below and decide which answer (А, В, C or D) best fits each gap. There is an example at the beginning (0).
If NASA’s proposed 2030s mission to Mars becomes a reality, astronauts will 0 undoubtedly need a base. All things 1 , transporting building materials 225 million kilometres across space would not only be impractical, but phenomenally expensive, too. So, how could living spaces feasibly be created on the Red Planet?
For those who may be 2 of the idea, it isn’t actually as much of a 3 into science fiction as it sounds. Mars has an abundance of regolith, a layer of crushed rock found throughout the solar system. It’s certainly useable, but scientists have 4 difficulties in developing technology that can bind it together successfully. Doing so would make it more 5 to 3-D printing, the proposed building technique that would be carried out by robots.
What also 6 a challenge is creating a material that allows structures to stand the test of time. The most likely contender is a concrete-like substance, similar to conventional construction materials used on Earth. Though the 7 hasn’t occurred yet, scientists are on their way to creating such materials, and life on Mars may not actually 8 too far ahead.
For this task: Answers with explanations :: Vocabulary