( ) 4. The passage tells us that an astronaut's job . A. is hard but safe B. is hard but exciting C. is very well paid D. will soon be forgotten ( ) 5. What's the best title for the passage? A. Astronauts Travel the Fastest B. People Can Become Astronauts ...
Astronaut:Becoming an astronaut is one of the most well-known space-related careers. Astronauts undergo rigorous training and are responsible for conducting experiments, repairing equipment, and performing spacewalks aboard spacecraft and space stations. ...