Question 1: Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions: The fact that space exploration has significantly increased in the past thirty years indicates that we are very eager to learn all we can about our solar system.

The fact that space exploration has increased dramatically over the past thirty years indicates that we are eager to learn all we can about the solar system.

=> dramatically (adv): significantly

seriously (adv): seriously, seriously

fought (adv): gradually, gradually

significant (adv): significantly

doubtfully (adv): doubtfully

=> Answer C (dramatically = significant)