• 2022-06-01
    20171201CET-4 Listening comprehensionSection C 17
    A: They accurately calculated the speed of the orbiting shuttles.
    B: They developed objects for astronauts to use in outer space.
    C: They tried to meet astronauts' specific requirements.
    D: They tried to make best use of the latest technology.They tried to make best use of the latest technology.