Question

1. in what way does the information about the many breakthroughs for everyday living support the main idea? it supports the idea that

a. a priority of nasa is a mission to mars.
b. outer space is scientists last frontier.
c. astronauts face many different challenges.
d. space exploration produces benefits for ordinary people.

1. based on the speech, what generalization could be made about long space exploration?

a. most of the applicants to nasa want to go on long space explorations.
b. the long space explorations will need to be funded by private companies.
c. most of the planned long space explorations will have to be abandoned due to safety concerns.
d. it is likely that astronauts on long space explorations will suffer some ill effects.

1. which definition best matches the use of the word imperative in paragraph 15? it means something that is

a. an option.
b. a problem.
c. an outcome.
d. a necessity.

1. why does bolden include the information about the number of people who applied to become an astronaut in paragraph 7? he wants to

a. show how popular the nasa space program is.
b. show how difficult it is to become an astronaut.
c. explain the process of becoming an astronaut.
d. tell how to apply to become an astronaut.

Explanation:

• 46: Breakthroughs for everyday living imply benefits for ordinary people from space exploration.
• 47: Long - space exploration often has health - related risks for astronauts, which is a common generalization.
• 48: "Imperative" means something that is necessary.
• 49: The number of applicants shows the popularity of the NASA space program.

Answer:

1. D. space exploration produces benefits for ordinary people.
2. D. It is likely that astronauts on long space explorations will suffer some ill effects.
3. D. a necessity.
4. A. show how popular the NASA space program is.