Answer:
A speaker should practice going through the entire speech at least four times over a course of several days.
Explanation:
Answer: Americans should follow the example set by the crew.
Explanation:
Based on this excerpt, President Reagan most likely believed that Americans should follow the example set by the crew.
This can be deduced when President Reegan stated that the Challenger crew was pulling us into the future, and we'll continue to follow them. This shows that the example set by the Crew should be followed.
It means life has its ups and downs. Everything is not always great or not always bad. Somehow it all kind of balances out