3 How is space technology related to us?
A. The helmet of astronauts helps prevent injury in collisions. It is light and shock-absorbing.
Space environment
no oxygen or air pressure
strong radiation
great changes in temperature
dust flying at great speed
C. The materials of spacesuits are heat-insulating. They can block radiation and
space dust. Spacesuits are filled with oxygen, allowing astronauts to breathe.
D. Astronauts use straws to drink from sealed squeeze pouches. This prevents the drinks from floating in space.
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