Which statement best describes an argument made in "President John F. Kennedy's Speech at Rice University"? The United States has made important discoveries on the moon and is far ahead of other countries in space exploration.

The United States has been a world leader in many ways and should be a leader in space exploration, too.

Space exploration is important, but the country should proceed slowly and with caution toward its goal of reaching the moon.

The city of Houston has the most to gain by investing in the United States' exploration of space.

what are the words supposed to be listed?

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.  

gerund phrase: giving more than a person needs.

noun use: predicate noun.

a long work of fiction-novels contain such elements as characters,plot,conflict,and setting. the writer of a novel, or novelist, develops theses elements. in addition to his main plot, a novel may contain one or more subplot, or independent, relate stories. a novel may also have several themes.